Super bulky Bismuth(III) imidazole selones

Adinarayana, Mannem and Nandeshwar, Muneshwar and Srinivas, Katam and Prabusankar, Ganesan (2021) Super bulky Bismuth(III) imidazole selones. Polyhedron, 197. p. 114932. ISSN 02775387

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Treatment of BiBr3 with super bulky [(IPaul)Se] (L1) ([(IPaul)Se] = 1,3-bis(2,4-methyl-6-diphenyl phenyl)imidazole selone) or IPr*Se (L2) (IPr*Se = 1,3-bis(2,6-diphenylmethylphenyl)imidazole selone) in toluene afforded the dinuclear complex [(L1)BiBr2(µ-Br)]2 (1) and mononuclear complex [(L2)BiBr3] (2), whose structures have been determined by an X-ray crystallographic study. The complexes were characterized by a combination of 1H NMR and 13C{1H} NMR spectroscopy. The thermal stability of 1 and 2 was compared using TGA. The steric controlled super bulky ligand systems allow for the first structural isolation of a novel super bulky dinuclear complex 1 with edge shared octahedral geometry and mononuclear super bulky complex 2 with mono capped seesaw geometry. The sterically more crowded complex 2 showed the long Bi-Se bond distance (3.192(3) Å) compared to 1 (2.902(5) Å).

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IITH Creators:
IITH CreatorsORCiD
Adinarayana, MannemUNSPECIFIED
Nandeshwar, MuneshwarUNSPECIFIED
Srinivas, KatamUNSPECIFIED
Prubusankar, GanesanUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Bismuth(III); Dative bonding; Imidazole selone; Main group chemistry; Organo selone
Subjects: Chemistry
Chemistry > Organic chemistry
Divisions: Department of Chemistry
Depositing User: . LibTrainee 2021
Date Deposited: 21 Jun 2021 07:31
Last Modified: 21 Jun 2021 08:54
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