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(2-Amino-3-nitro-benzoato-?O)triphenyl-tin(IV).

ABSTRACT: The asymmetric unit of the title compound, [Sn(C(6)H(5))(3)(C(7)H(5)N(2)O(4))], consists of two independent mol-ecules. In each mol-ecule, the four-coordinated Sn(IV) atom exists in a distorted tetra-hedral geometry and two intra-molecular N-H?O hydrogen bonds with S(6) ring motifs are present. In one mol-ecule, the benzene ring of the 2-amino-3-nitro-benzoate ligand makes dihedral angles of 42.74?(11), 89.66?(13) and 53.04?(10)° with the three phenyl rings. The corresponding dihedral angles for the other mol-ecule are 6.29?(11), 66.55?(11) and 62.33?(10)°. In the crystal, a weak inter-molecular C-H?? inter-action and a ?-? stacking inter-action with a centroid-centroid distance of 3.5877?(12)?Å are observed.

SUBMITTER: Win YF

PROVIDER: S-EPMC3089114 | biostudies-literature | 2011 May

REPOSITORIES: biostudies-literature

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(2-Amino-3-nitro-benzoato-κO)triphenyl-tin(IV).

Win Yip-Foo YF Choong Chen-Shang CS Heng Mei-Hsuan MH Quah Ching Kheng CK Fun Hoong-Kun HK

Acta crystallographica. Section E, Structure reports online 20110413 Pt 5

The asymmetric unit of the title compound, [Sn(C(6)H(5))(3)(C(7)H(5)N(2)O(4))], consists of two independent mol-ecules. In each mol-ecule, the four-coordinated Sn(IV) atom exists in a distorted tetra-hedral geometry and two intra-molecular N-H⋯O hydrogen bonds with S(6) ring motifs are present. In one mol-ecule, the benzene ring of the 2-amino-3-nitro-benzoate ligand makes dihedral angles of 42.74 (11), 89.66 (13) and 53.04 (10)° with the three phenyl rings. The corresponding dihedral angles for ...[more]

PMID: 21754293

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Project description:The title complex, [Sn(4)(C(4)H(9))(8)(C(7)H(3)ClNO(4))(4)O(2)], is a cluster formed by a crystallographic inversion center around the central Sn(2)O(2) ring. Both of the two independent Sn atoms are five-coordinated, with distorted trigonal-bipyramidal SnC(2)O(3) geometries. One Sn atom is coordinated by two butyl groups, one O atom of the benzoate anion and two bridging O atoms, whereas the other Sn atom is coordinated by two butyl groups, two O atoms of the benzoate anions and a bridging O atom. The O atoms of the bridging benzoate anion are disordered over two sites with an occupancy ratio of 0.862?(12):0.138?(12). One of the butyl groups coordinated to the Sn(2)O(2) ring is disordered over two sites with an occupancy ratio of 0.780?(8):0.220?(8), whereas both of the two butyl groups coordinated to the other Sn atom are disordered over two sites with occupancy ratios of 0.788?(5):0.212?(5) and 0.827?(10):0.173?(10). All the butyl groups are equatorial with respect to the SnO(3) trigonal plane. In the crystal, complex mol-ecules are stacked down [010] with weak inter-molecular C-H?? inter-actions stabilizing the crystal structure.

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