Geometrical Model for Phenylthallium Dihalides
作者:
B.P. Asthana,
C.M. Pathak,
期刊:
Spectroscopy Letters
(Taylor Available online 1981)
卷期:
Volume 14,
issue 8-9
页码: 567-574
ISSN:0038-7010
年代: 1981
DOI:10.1080/00387018108062615
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The geometry of the phenylthallium dihalides, PhTlX2(X=F, Cl or Br) which has heitherto been unknown, has been proposed on the basis of several qualitative aspects and quantitative arguments. These molecules have a planar structure with C2vsymmetry and the ring geometry has been assumed to be the same as that of benzene. The ring-substituent bond length has been taken to be 2.218 A° in all the three molecules, and the Tl-F, Tl-Cl and Tl-Br bond lengths in respective molecules have been estimated to be 1.878, 2.366 and 2.520 A°. The remaining parameter inter-bond angle, F-Tl-F has been taken to be 116° in PhTlF2, whereas, angles Cl-Tl-Cl and Br-Tl-Br in respective molecules have been taken to be 120°, as expected in the case of a pure sp2hybridization.
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