Experimental evidence for comparable strength of phosphorus-sulfur and phosphorus-nitrogen p.pi.-bonding within the heteronaphthalenic framework: spectroscopic and structural studies of the 1,3,2-benzazathiaphospholium system as a cation and as neutral halides
Publication type: Journal Article
Publication date: 1990-11-01
scimago Q1
wos Q1
SJR: 0.958
CiteScore: 7.4
Impact factor: 4.7
ISSN: 00201669, 1520510X
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
The new heteronaphthalenic framework 1,3,2-benzazathiaphospholium has been prepared as a free cation 1[NSP] and as the neutral chloride 2[NSPCl] and bromide 2[NSPBr] derivatives. The spectroscopic and structural (crystal data for C 6 H 5 AlCl 4 NPS: monoclinic, P2 1 /c, a=6.4773 (6) A, b=23.5434 (21) A, c=8.5101 (6) A, β=98.048 (7) o , Z=4) features of the cation are consistent with a hybrid of the corresponding dithia 1[S 2 P] and diamino 1[N 2 P] derivatives. In particular, the P-N and P-S bond lengths are very similar to those of the parent cations and represent experimental evidence for P-N and P-S pπ-bonding of comparable strength, in agreement with the theoretical π-bond energies. The neutral halides, 2-chloro-1,2,3-benzazathiaphosphole (crystal data for C 6 H 5 ClNPS: monoclinic, P2 1 /c, a=8.5607 (10) A, b=10.6948 (10) A, c=8.5994 (13) A, β=95.516 (11) o , Z=4) and 2-bromo-1,2,3-benzazathiaphosphole (crystal data for C 6 H 5 BrNPS: monoclinic, P2 1 /c, a=8.5345 (12) A, b=10.6990 (14) A, c=8.8213 (7) A, β=94.705 (8) o , Z=4) are isostructural and adopt dimeric structures, with long P-Z bonds
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Burford N. T. et al. Experimental evidence for comparable strength of phosphorus-sulfur and phosphorus-nitrogen p.pi.-bonding within the heteronaphthalenic framework: spectroscopic and structural studies of the 1,3,2-benzazathiaphospholium system as a cation and as neutral halides // Inorganic Chemistry. 1990. Vol. 29. No. 24. pp. 4938-4944.
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Burford N. T., Dipchand A. I., Royan B. W., White P. Experimental evidence for comparable strength of phosphorus-sulfur and phosphorus-nitrogen p.pi.-bonding within the heteronaphthalenic framework: spectroscopic and structural studies of the 1,3,2-benzazathiaphospholium system as a cation and as neutral halides // Inorganic Chemistry. 1990. Vol. 29. No. 24. pp. 4938-4944.
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TY - JOUR
DO - 10.1021/ic00349a022
UR - https://doi.org/10.1021/ic00349a022
TI - Experimental evidence for comparable strength of phosphorus-sulfur and phosphorus-nitrogen p.pi.-bonding within the heteronaphthalenic framework: spectroscopic and structural studies of the 1,3,2-benzazathiaphospholium system as a cation and as neutral halides
T2 - Inorganic Chemistry
AU - Burford, Neil T.
AU - Dipchand, Anne I.
AU - Royan, Bruce W.
AU - White, Peter
PY - 1990
DA - 1990/11/01
PB - American Chemical Society (ACS)
SP - 4938-4944
IS - 24
VL - 29
SN - 0020-1669
SN - 1520-510X
ER -
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@article{1990_Burford,
author = {Neil T. Burford and Anne I. Dipchand and Bruce W. Royan and Peter White},
title = {Experimental evidence for comparable strength of phosphorus-sulfur and phosphorus-nitrogen p.pi.-bonding within the heteronaphthalenic framework: spectroscopic and structural studies of the 1,3,2-benzazathiaphospholium system as a cation and as neutral halides},
journal = {Inorganic Chemistry},
year = {1990},
volume = {29},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021/ic00349a022},
number = {24},
pages = {4938--4944},
doi = {10.1021/ic00349a022}
}
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Burford, Neil T., et al. “Experimental evidence for comparable strength of phosphorus-sulfur and phosphorus-nitrogen p.pi.-bonding within the heteronaphthalenic framework: spectroscopic and structural studies of the 1,3,2-benzazathiaphospholium system as a cation and as neutral halides.” Inorganic Chemistry, vol. 29, no. 24, Nov. 1990, pp. 4938-4944. https://doi.org/10.1021/ic00349a022.