نتایج جستجو برای: disordered atoms

تعداد نتایج: 87941  

2010
Rong-Bi Han Bo Zhang Feng-Yu Piao

In the title compound, C(18)H(19)NO(4)S, the two benzene rings form a dihedral angle of 68.37 (11)°. One of the C atoms of the fused ring bonded to the N atom displays positional disorder with site-occupation factors of 0.763 (7) and 0.237 (7) and the ring has an envelope conformation with the disordered C atoms located on opposite sides of the plane formed by the other atoms. In the crystal, i...

2009
Yousef Fazaeli Ezzatollah Najafi Mostafa M. Amini Seik Weng Ng

The Ti(IV) atom in the title compound, [Ti(C(9)H(5)ClNO)(2)(C(3)H(7)O)(2)], is chelated by the substituted quinolin-8-olate anions in a distorted octa-hedral geometry. The N-donor atoms are in a cis alignment as are the O atoms of the propan-2-olate groups; the O atoms of the quinolin-8-olate groups are trans to each other. One C atom of one propan-2-olate group is disordered over two positions...

2015
Adebomi A. Ikotun Micheal P. Coogan Abimbola A. Owoseni Nattamai Bhuvanesh Gabriel O. Egharevba

In the title compound, [Re(C6H5N)3(CO)3]BF4, the Re(I) ion is six-coordinated by three pyridine N atoms and three carbonyl C atoms. In each case, the carbonyl C atom lies trans to a pyridine N atom. In the crystal, the ions are linked via C-H⋯F hydrogen bonds and C-H⋯π inter-actions, forming a three-dimensional framework. The F atoms of the BF4 anion are disordered over two positions and gave a...

2015
Sowmianarayanan Parimala Parasuraman Selvam

In the unsymmetrical title vanadyl complex, [V(C9H9NO2)(C7H5O2)O], one of the ligands (2-formyl-phenol) is disordered over two sets of sites, with an occupancy ratio of 0.55 (2):0.45 (2). The metal atom is hexa-coordinated, with a distorted octa-hedral geometry. The vanadyl O atom (which subtends the shortest V-O bond) occupies one of the apical positions and the remaining axial bond (the longe...

2011
Yao Huang

The asymmetric unit of the title compound, 2C(8)H(9)N(2) (+)·2ClO(4) (-)·H(2)O, consists of two (4-cyano-benz-yl)>ammonium cations, two disordered ClO(4) (-) anions and one water mol-ecule. The differences in the two cations are reflected in the N-C-C-C torsion angles [-94.7 (3) and -115.9 (3)°]. In addition, the cations show different hydrogen-bonding patterns as one N atom bonds to two O atom...

2007
Jing Qin Hui-Zhen Guo Li-Ping Cao

In the title compound, C(24)H(29)Br(2)N(5)O(6), a glycoluril derivative, the 1,4-dibromo-benzene ring is fused to the seven-membered ring of the glycoluril unit containing two N atoms. The two five-membered rings in the glycoluril unit are approximately planar and the dihedral angle between them is 69.8 (2)°. The six-membered ring containing three N atoms adopts a chair conformation. The crysta...

2009
Dong-Yue Hu Xiao-Wei Chu Zhi-Rong Qu

The title compound, C(8)H(8)N(4), possesses crystallographic mirror symmetry, with four C atoms lying on the reflecting plane, which bis-ects the phenyl and tetra-zole rings. It is composed of a planar r.m.s. deviation (0.0012 Å) tetra-zole ring which is nearly coplanar with the benzene ring, the dihedral angle being 2.67 (9)°. In the crystal, symmetry-related mol-ecules are linked by inter-mol...

2007
Huilu Wu Ruirui Yun Jian Ding Jingkun Yuan

In the title complex, [Cu(C(7)H(5)O(3))(C(27)H(27)N(7))]ClO(4)·2C(3)H(7)NO, the Cu(II) ion is five-coordinated by four N atoms from the tris-(1-methyl-1H-benzimidazol-2-ylmeth-yl)amine ligand and an O atom of the monodentate salicylate ligand. The N(4)O donor set defines a coordination geometry inter-mediate between square-pyramidal and trigonal-bipyramidal. The crystal structure is stabilized ...

2009
Hong Zhai

The title compound, [Ag(C(9)H(5)N(2)O(4))(C(9)H(6)N(2)O(4))]·H(2)O, contains one independent Ag atom, a neutral 1H-benzimidazole-5,6-dicarboxylic acid (bdcH), its monodeprotonated form, i.e. 5-carboxyl-ato-1H-1,3-benzimidazole-6-carboxylic acid (bdc), and one solvent water mol-ecule, the latter being disordered over three sites with site occupancy factors of 0.375 (× 2) and 0.25. In addition, t...

2008
Jens Langer Reinhald Fischer Helmar Görls Dirk Walther

In the title compound, [Ni(2)(C(2)H(4))(2)(C(25)H(22)P(2))(2)]·2C(7)H(8), each Ni atom is coordinated in a trigonal-planar geometry by two P atoms of the bridging 1,2-bis-(diphenyl-phosphino)methane (dppm) ligands and by the centroid of the double bond of an ethene ligand. An eight-membered ring comprising the two Ni atoms, four P atoms and the CH(2) groups of the two dppm ligands is thus forme...

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