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166,764 research outcomes, page 1 of 3,336
  • publication . Article . 2013
    Open Access English
    Authors:
    Yong-Qiang Xie; Jun-Jian Li; Ying Guo; You-Ming Zhang; Tai-Bao Wei;
    Publisher: International Union of Crystallography

    The title compound, [Ni(C4H8N3)2]·CH3OH, contains two independent NiII atoms, each located on an inversion center and coordinated by four N atoms from two 1-[(1-iminoethyl)imino]ethyl}azanide ligands in a square-planar geometry. N—H...N, N—H...

  • publication . Article . 2010
    Open Access English
    Authors:
    Matthew Kyle Rayner; David Gordon Billing;
    Publisher: International Union of Crystallography

    The title compound, {(C8H20N2)[PbBr4]}n, crystallizes as an inorganic–organic hybrid with alternating layers of diammonium cations and two-dimensional corner-sharing PbBr6 octahedra extending parallel to the bc plane, which are eclipsed relative to one another...

  • publication . Article . 2010
    Open Access English
    Authors:
    Universidad Nacional de Colombia Universidad Nacional de Colombia;
    Publisher: Universidad Nacional de Colombia
  • publication . Article . 2013
    Open Access English
    Authors:
    Min Wang; Jian-Mei Luo; Yi-Bo Wang; Yan-Bing Shen;
    Publisher: International Union of Crystallography

    The title molecule, C21H28O5, is composed of three six-membered rings (A/B/C) and a five-membered ring (D). Ring A adopts a 1α-sofa conformation, while rings B and C adopt chair conformations. Cyclopentane ring D adopts a 14α-envelope conformation. In the crys...

  • publication . Article . 2008
    Open Access English
    Authors:
    Kazuhide Tani; Aika Iseki; Kenji Arimitsu; Koji Nakajima; Tsuneaki Yamagata;
    Publisher: International Union of Crystallography

    The title complex, [Ir2(μ-Cl)2(C8H14)4], has a dinuclear structure with bridging Cl atoms, a hinge angle of 179.44 (7)° between the two IrCl2 planes, and an Ir...Ir distance of 3.7254 (3) Å. Regarding the coordinating C=C bonds as occupy...

  • publication . Article . 2010
    Open Access English
    Authors:
    Edward R. T. Tiekink; Trupta Kaulgud; Hadi D. Arman;
    Publisher: International Union of Crystallography

    The asymmetric unit of the title 1:2 adduct, C12H10N4·2C8H8O2, comprises a single molecule of 2-phenylacetic acid and half a molecule of 3-pyridinealdazine; the latter is completed by crystallographic inversion symmetry. In the crystal, molecules are connected ...

  • publication . Article . 2011
    Open Access English
    Authors:
    Yao Wu; Jian-Gang Li; Ying Guo; Hua Cai;
    Publisher: International Union of Crystallography

    In the title complex, [Cu(NO3)2(C11H11N3O)4], the CuII atom is situated on a centre of inversion and is coordinated by two O atoms from two nitrate anions and four N atoms from four monodentate 1-phenyl-3-(1H-1,2,4-triazol-1-yl)propan-1-one ligands in a distorted octahe...

  • publication . Article . 2013
    Open Access English
    Authors:
    Juan C. Tenorio; Javier Ellena; Luz M. Jaramillo-Gómez; Diana M. Soto; Rodolfo Moreno-Fuquen;
    Publisher: International Union of Crystallography

    In the title compound, C21H22N2O, the planes of the two six-membered rings make a dihedral angle of 89.51 (7)°. The pyrrolidine ring has a puckering amplitude q2 = 0.418 (3) and a pseudo-rotation phase angle ϕ2 = −166.8 (5), adopting a ...

  • publication . Article . 2009
    Open Access English
    Authors:
    K. Anbalagan; M. Tamilselvan; S. Nirmala; L. Sudha;
    Publisher: International Union of Crystallography

    The title complex, [CoCl(C5H13N)(C2H8N2)2]Cl2·H2O, comprises one chloridobis(ethylenediamine)(n-pentylamine)cobalt(III) cation, two chloride counter-anions and a water molecule. The CoIII atom of the complex is hexacoordinated by five N and one Cl atoms. The fi...

  • publication . Article . 2018
    Open Access English
    Authors:
    Jairo Brunini;
    Persistent Identifiers
    Publisher: Universidade Estadual Paulista

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  • publication . Article . 2010
    Open Access English
    Authors:
    Jon Zubieta; Hoi Cheung; Mark Bartholomä;
    Publisher: International Union of Crystallography

    The title dinuclear complex, [Cd2(CH3CO2)4(C28H32N6)]·9H2O, is located on a crystallographic inversion center. The unique CdII ion displays a 5 + 2 coordination. A distorted square-pyramidal geometry is formed by the dipicolylamine unit of the...

  • publication . Article . 2013
    Open Access English
    Authors:
    Augusto Rivera; Diego Quiroga; Jaime Ríos-Motta; Monika Kučeraková; Michal Dušek;
    Publisher: International Union of Crystallography

    In the crystal structure of the title compound, C21H24F2N2O2, there are two intramolecular O—H...N hydrogen bonds involving the N atoms of the imidazolidine ring and the hydroxy groups. The crystal studied was a meso compound obtained by the reaction of the aminal...

  • publication . Article . 2010
    Open Access English
    Authors:
    Andrzej J. Włodarczyk; Tomasz Lubera; Piotr P. Romańczyk; Wojciech Nitek;
    Publisher: International Union of Crystallography

    The title complex, [Mo(C15H22BN6)(C7H7O)2(NO)], contains an {MoNO}4 core stabilized by κ3-hydrotris(3,5-dimethylpyrazol-1-yl)borate, [TpMe2]−, and two anionic m-cresolate ligands, leading to a distorted octahedral geometry for the Mo atom. The short M...

  • publication . Article . 2008
    Open Access English
    Authors:
    Maria Gdaniec; Agnieszka Czapik;
    Publisher: International Union of Crystallography

    The asymmetric unit of the title compound, 2C8H6N2·C6H7NO·2H2O, contains two quinoxaline molecules, one molecule of 3-aminophenol and two water molecules which are hydrogen bonded to form a two-dimensional polymeric structure. Each of the symmetry-independent ...

  • publication . Article . 2012
    Open Access English
    Authors:
    T. Gilazhov; A. Abilkhairov;
    Publisher: al-Farabi Kazakh National University

    Статья посвящена синтезу новых мономеров на основе циклических и гетероциклических ацетиленовых спиртов. Новые мономеры получены путем взаимодействия хлорангидрида метакриловой кислоты с соответствующими спиртами. Синтезированы метакриловые эфиры циклических и O,S,N- со...

  • publication . Article . 2009
    Open Access English
    Authors:
    Holger Braunschweig; Rian D. Dewhurst; Krzysztof Radacki; Katharina Wagner;
    Publisher: International Union of Crystallography

    In the crystal structure of the title compound, C39H54BCl2P, the phosphorus atom is coordinated by a dichlorophenylborane unit. The substituted biphenyl group and the two cyclohexyl groups at the phosphorus atom are arranged in such a way to avoid steric crowding in the...

  • publication . Article . 2012
    Open Access English
    Authors:
    M. Nawaz Tahir; Waseeq Ahmad Siddiqui; Adnan Ashraf; Farhana Aman;
    Publisher: International Union of Crystallography

    In the title compound, C10H9NO5S·0.5H2O, two geometrically different organic molecules are present. The benzene rings and the carboxylate groups are oriented at dihedral angles of 13.44 (4) and 21.15 (18)°. In both molecules, an int...

  • publication . Article . 2012
    Open Access English
    Authors:
    Wei Xu; Lan-Jing-Qian Feng;
    Publisher: International Union of Crystallography

    In the centrosymmetric dinuclear title complex, [Cu2(C5H6O4)2(C20H14N4)2(H2O)2], the Cu atom displays a distorted square-pyramidal coordination environment with the basal plane occupied by two 5,6-diphenyl-3-(pyridin-2-yl)-1,2,4-triazine N atoms and two O atoms from dif...

  • publication . Article . 2012
    Open Access English
    Authors:
    Kwang Ha;
    Publisher: International Union of Crystallography

    The asymmetric unit of the title compound, [Pd(C6H5N2O)(C6H6N2O)]Cl, contains one half of a cationic PdII complex and a Cl− anion, with a crystallographic mirror plane parallel to the ac plane passing through the Pd and Cl atoms. In the complex, the PdII ion i...

  • publication . Article . 2010
    Open Access English
    Authors:
    Juahir Yusnita; Hapipah Mohd Ali; Mahmood A. Abdulla; Ward T. Robinson; Hamid Khaledi;
    Publisher: International Union of Crystallography

    In the crystal structure of the title compound, [Ni(C21H19N5O4S2)(C5H5N)2], the metal center is seven-coordinate, with an approximate pentagonal-bipyramidal configuration. The Ni atom is chelated by a dianionic pentadentate Schiff base via the pyridine N atom, the two a...

  • publication . Article . 2011
    Open Access English
    Authors:
    Pin-Ning Wang; Chun-Wei Yeh; Hsun-Tsing Lee; Maw-Cherng Suen;
    Publisher: International Union of Crystallography

    In the title coordination polymer, [CdCl2(C12H12N2O2)]n, the CdII ion, situated on an inversion center, is coordinated by four bridging Cl atoms and two N atoms from two 1,4-bis(4,5-dihydro-1,3-oxazol-2-yl)benzene (L) ligands in a distorted octahedral geometry. Each L l...

  • publication . Article . 2009
    Open Access English
    Authors:
    Wei-Wei Meng; Jin-Xi Chen;
    Publisher: International Union of Crystallography

    The asymmetric unit of the title complex, [Zn(C10H6NO2)2(H2O)]n, consists of one quinoline-4-carboxylate anion, half of a Zn2+ cation and half of a coordinated water molecule. The cation and the water O atom have crystallographically imposed inversion and twofold rotati...

  • publication . Article . 2013
    Open Access English
    Authors:
    Augusto Rivera; Luz Stella Nerio; Michael Bolte;
    Publisher: International Union of Crystallography

    In the title compound, C25H36N2O2, the two tert-butyl-substituted benzene rings are inclined at an angle of 53.5 (3)° to one another. The imidazolidine ring has an envelope conformation with with one of the C atoms of the ethylene fragment as the flap. The st...

  • publication . Article . 2008
    Open Access English
    Authors:
    Hai-Yun Hou; San-Jun Peng;
    Publisher: International Union of Crystallography

    The title compound, C14H12N2O3, was synthesized by the condensation of salicylaldehyde with 3-hydroxybenzohydrazide. The dihedral angle between the two benzene rings is 12.4 (2)°. The 2-hydroxy group forms an intramolecular O—H...N hydrogen bond with th...

  • publication . Article . 2013
    Open Access English
    Authors:
    Muhammad Shafiq; M. Nawaz Tahir; William T. A. Harrison; Tanveer Hussain Bokhari; Muhammad Safder;
    Publisher: International Union of Crystallography

    In the title compound, C19H21N3O2S, the dihedral angle between the aromatic rings is 6.7 (2)° and the C=N—N=C torsion angle is 178.0 (2)°. The conformation of the thiazine ring is an envelope, with the S atom displaced by 0.802 (2)&#819...

  • publication . Article . 2013
    Open Access English
    Authors:
    Lu-Jun Zhou; Hua-Tian Shi; Chao Xu; Qun Chen; Qian-Feng Zhang;
    Publisher: International Union of Crystallography

    The title compound, {(C6H8N)[AgWSe4]·C6H7N}n, consists of anionic [WAgSe4]n chains, 2-methylpyridinium cations and neutral 2-methylpyridine molecules. The Se atoms bridge the Ag and W atoms, forming a polymeric chain extending along the b-axis direction. Both the A...

  • publication . Article . 1998
    Open Access English
    Authors:
    Komla Sanda; Koffi Koba; Gnon Baba; Kokou A. Amouzouvi; Widi Tschala; Koffi Akpagana; Gerard Vilarem; Antoine Gaset;
    Publisher: Chemical Society of Ethiopia
  • publication . Article . 2012
    Open Access English
    Authors:
    А. Masalimov; S. Nikolski; I. Pustolaikina; А. Tur;
    Publisher: al-Farabi Kazakh National University

    Методом динамической ЭПР-спектроскопии исследованы скорости быстрых реакций межмолекулярного протонного обмена в растворах различных органических кислот и оснований.

  • publication . Article . 2013
    Open Access English
    Authors:
    Sami Nummelin; Manu Lahtinen; Kalle Nättinen;
    Publisher: International Union of Crystallography

    In the title compound, C17H18O5, the dihedral angle between the benzene rings is 31.23 (16)°. In the crystal, the molecules are packed in an antiparallel fashion in layers along the a axis. In each layer, very weak C—H...O hydrogen bonds occur between t...

  • publication . Article . 2008
    Open Access English
    Authors:
    Cui-Wu Lin; Kai Zhao; Wei-Qiang Luo; Xian-Hong Yin; Fei-Long Hu;
    Publisher: International Union of Crystallography

    In the title complex, [Mn(C11H10N3O2)2]·2C7H4N2O6, the MnII atom has a disorted octahedral coordination formed by four N and two O atoms of two mer-6-(3,5-dimethyl-1H-pyrazol-1-yl)picolinate ligands (DMPP). Each of the two symmetry-independent 3,5-dinitrobenzoic ac...

  • publication . Article . 2010
    Open Access English
    Authors:
    R. Cortés; M.L. Fidalgo; G. Madariaga; N. De la Pinta; L. Callejo;
    Publisher: International Union of Crystallography

    In the title compound, [Fe(C24H16N6)2][N(CN)2]2·4.5H2O, the central iron(II) ion is hexacoordinated by six N atoms of two tridentate 2,3,5,6-tetra-2-pyridylpyrazine (tppz) ligands. Two dicyanamide anions [dca or N(CN)2−] act as counter-ions, and 4.5 w...

  • publication . Article . 2010
    Open Access English
    Authors:
    Baoying Zhang; Rufen Zhang;
    Publisher: International Union of Crystallography

    In the title polymeric coordination compound, [Sn(CH3)3(C10H11O2)]n, the Sn atom has a distorted trigonal–bipyramidal coordination geometry, with two O atoms of two symmetry-related carboxylate ligands in axial positions and three methyl groups in equatorial p...

  • publication . Article . 2010
    Open Access English
    Authors:
    Kwang Ha;
    Publisher: International Union of Crystallography

    The cation of the salt, [Mn2(C14H14N4)3(H2O)2](ClO4)4, lies on a center of inversion, the center lying midway along the ethylene chain of the bridging N,N′-bis(2-pyridylmethylene)ethane-1,2-diamine ligand. The Mn atom is chelated by two atoms N atoms of this b...

  • publication . Article . 2008
    Open Access English
    Authors:
    Ya-Ru Pan;
    Publisher: International Union of Crystallography

    In the crystal structure of the title compound, [Cd(C10H8N2)(H2O)4](C4H2O4)·4H2O, the CdII atom, on an inversion centre, is six-coordinated by four O atoms from four water molecules and two N atoms from 4,4′-bpy molecules in a distorted octahedral coordinatio...

  • publication . Article . 2008
    Open Access English
    Authors:
    Reza Kia; Hoong-Kun Fun;
    Publisher: International Union of Crystallography

    In the title compound, [Ni(C22H26N2O2)]·CH3OH·CHCl3, the NiII ion is in a slightly distorted square-planar geometry involving an N2O2 atom set of the tetradentate Schiff base ligand. The asymmetric unit contains one molecule of the complex and one molecule eac...

  • publication . Article . 2012
    Open Access English
    Authors:
    Jaroslaw Chojnacki; Andrzej Okuniewski; Barbara Becker;
    Publisher: International Union of Crystallography

    In the title compound, C32H30N4O2S2, the carbonyl and thiocarbonyl groups are found in a rare synclinal conformation, with an S—C...C—O pseudo-torsion angle of 62.6 (2)°. The molecule has Ci = S2 point-group symmetry with a crystal...

  • publication . Article . 2008
    Open Access English
    Authors:
    Hong-Mian Wu; Li-Li Ji; Wen-Dong Song;
    Publisher: International Union of Crystallography

    In the mononuclear title compound, [Cd(C12H9O2)2(C3H4N2)2], the CdII centre has a distorted octahedral coordination geometry defined by four O atoms from two naphthaleneacetate ligands and two N atoms from two imidazole ligands. The molecules are linked by N—H...O...

  • publication . Article . 2010
    Open Access English
    Authors:
    Gui-Miao Yu; Yun-Hui Li; Li-Fei Zou; Jian-Wei Zhu; Xiao-Qiu Liu;
    Publisher: International Union of Crystallography

    In the title complex, [Mn2(C15H13N2O3)3]ClO4·CH3OH, the two MnII ions are bridged by two phenolate O atoms from two ligands, forming an Mn2O2 quadrangle. Each MnII ion has a distorted octahedral coordination geometry. One MnII ion is coordinated by two N atoms ...

  • Баешов Абдуали Баешович - доктор химических наук, профессор, лауреат Государственной премии РК, академик КазНАЕН и Международной академии информатизации, чл.-корр. Национальной академии наук РК, кавалер Ордена "Құрмет", заслуженный изобретаель РК.

  • publication . Article . 2012
    Open Access English
    Authors:
    V. Rajni Swamy; S. Ramaswamy; N. Srinivasan; R. Ranjith Kumar; R.V. Krishnakumar;
    Publisher: International Union of Crystallography

    The asymmetric unit of the title compound, C30H27F2N3O2, contains two independent molecules. The pyrrolidine five-membered ring assumes an envelope conformation (with the CH2 atom at the flap) in one molecule and a twisted conformation in the other one. In both independ...

  • publication . Article . 2013
    Open Access English
    Authors:
    Yanzhao Yang; Daopeng Sheng; Bin Yan;
    Publisher: International Union of Crystallography

    In the title compound, [Sm(C9I3O6)(C3H7NO)3]n, the SmIII atom is coordinated by nine O atoms, viz. six carboxylate O atoms from three 2,4,6-triiodobenzene-1,3,5-tricarboxylate (I3BTC) ligands and three O atoms from three N,N-dimethylformamide (DMF) molecules. Each I3BTC...

  • publication . Article . 2009
    Open Access English
    Authors:
    Zuoxiang Wang; Chunyi Liu; Xiaoming Zhang; Xiaoning Gong;
    Publisher: International Union of Crystallography

    The asymmetric unit of the title compound, [Cu2Cl4(C15H14N4)2], contains two halves of two centrosymmetric dinuclear molecules, A and B. The conformations of the two crystallographically independent molecules are slightly different: in A, the Cu...Cu separation is 4.174...

  • publication . Article . 2010
    Open Access English
    Authors:
    Wen-Jing Liu; Zhao-Yang Li; Zhi-Qiang Wei; Shan-Tang Yue;
    Publisher: International Union of Crystallography

    In the title centrosymmetric dinuclear EuIII complex, [Eu2(CH3COO)6(C12H8N2)2], each EuIII cation is coordinated by seven O atoms from five acetate anions and two N atoms from one phenanthroline ligand in a distorted tricapped trigonal-prismatic geometry. Four acetate a...

  • publication . Article . 2008
    Open Access English
    Authors:
    William T. A. Harrison;
    Publisher: International Union of Crystallography

    In the title compound, (H3O)[LaCl2(C2H5N3O2)2(H2O)3]Cl2·2H2O, the La atom is bonded to seven O atoms (arising from two O,O′-bidentate biuret molecules and three water molecules) and two chloride ions in an irregular arrangement. A network of N—H...O, N&...

  • publication . Article . 2013
    Open Access English
    Authors:
    Graham Smith;
    Publisher: International Union of Crystallography

    In the structure of the title complex, [Cs(C7H4NO2)(H2O)2]n, the caesium salt of 4-nitrobenzoic acid, the irregular CsO9 coordination sphere comprises three bridging nitro O-atom donors, a bidentate carboxylate O,O′-chelate interaction, a triple-bridging water mol...

  • publication . Article . 2013
    Open Access English
    Authors:
    Sivasubramanian Suhitha; Krishnaswamy Gunasekaran; Adukamparai Rajukrishnan Sureshbabu; Raghavachary Raghunathan; Devadasan Velmurugan;
    Publisher: International Union of Crystallography

    In the title compound, [Fe(C5H5)(C32H24N3OS)], both the thiazolidine ring and the pyrrolidine ring adopt an envelope conformation, with the S atom and the phenyl-bearing C atom, respectively, as the flaps. The thiazolidine ring mean plane makes a dihedral angle of 59.08...

  • publication . Article . 2010
    Open Access English
    Authors:
    Yin Zheng; Shi-Rong Li; Hong Zhou; Zhi-Quan Pan; Yi-Zhi Li;
    Publisher: International Union of Crystallography

    In the title dinuclear nickel(II) complex, [Ni2(C8H4FO3)2(H2O)4]Cl2, synthesized by the reaction between 4-fluoro-2,6-diformylphenol and nickel(II) chloride in methanol, the coordination cation is located on an inversion center and the NiII atom adopts a slightly distor...

  • publication . Article . 2012
    Open Access English
    Authors:
    William W. Brennessel; John E. Ellis;
    Publisher: International Union of Crystallography

    The title salt, [K(C12H24O6)][Fe(C8H12)(C10H8)], is the only known naphthalene complex containing iron in a formally negative oxidation state. Each (naphthalene)(1,5-cod)ferrate(−I) anion is in contact with one (18-crown-6)potassium cation via K...C contacts t...

  • publication . Article . 2012
    Open Access English
    Authors:
    M. Katayeva; R. Mangazbayeva; R. Abdykalykova;
    Publisher: al-Farabi Kazakh National University

    В работе методами турбидиметрического и вискозиметрического титрования были изучены процессы комплексообразования гидроксипропилцеллюлозы (ГПЦ) с полиметакриловой кислотой (ПМАК). Установлено, что расположение максимумов на кривых титрования зависит от концентрации поли...

  • publication . Article . 2011
    Open Access English
    Authors:
    Yu-Kun Lu; Jian Liu; Cheng-Lin Diao; Ren-Qing Lü; Yun-Qi Liu;
    Publisher: International Union of Crystallography

    In the title compound, {[Zn(C4H4O5)(C10H8N2)]·2H2O}n, the ZnII ion displays a distorted tetragonal–pyramidal coordination environment with one hydroxy O and three carboxylate O atoms from three malate anions, and the one remaining position occupied by...

166,764 research outcomes, page 1 of 3,336