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Racemic tricarbonyl(eta 6-7-methoxyflavan)chromium(0)

van Tonder, Johannes. H.; Bezuidenhoudt, Barend C. B. and van Rensburg, Jacobus LU (2010) In Acta Crystallographica Section E: Structure Reports Online 66. p.459-907
Abstract
In the title compound [systematic name: tricarbonyl(eta 6-7-methoxy-2-phenyl-3,4-dihydro-2H-1-benzopyran)chromium(0)], [Cr(C16H16O2)(CO)(3)], the Cr(CO)(3) unit is coordinated by the phenylene ring of the flavan ligand, exhibiting a three-legged piano-stool conformation, with a point to plane distance of 1.750 (1) A. The phenyl ring is twisted away from the fused ring system by 36.49 (5)degrees (r.m.s. deviation = 0.027 A; fitted atoms are the C-6 ring and the attached fused-ring C and O atoms). The dihydropyran ring displays a distorted envelope configuration by displacement of the phenyl-bearing and the adjacent ring C atoms from the fused-ring system plane by 0.356 (2) and 0.402 (2) A, respectively.
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Acta Crystallographica Section E: Structure Reports Online
volume
66
pages
459 - 907
publisher
Wiley-Blackwell
external identifiers
  • wos:000282468400040
  • scopus:77956867769
ISSN
1600-5368
DOI
10.1107/S1600536810024992
language
English
LU publication?
yes
id
66733918-d56e-465b-846e-5b75703be047 (old id 1728203)
date added to LUP
2010-11-22 12:43:44
date last changed
2018-05-29 12:24:20
@article{66733918-d56e-465b-846e-5b75703be047,
  abstract     = {In the title compound [systematic name: tricarbonyl(eta 6-7-methoxy-2-phenyl-3,4-dihydro-2H-1-benzopyran)chromium(0)], [Cr(C16H16O2)(CO)(3)], the Cr(CO)(3) unit is coordinated by the phenylene ring of the flavan ligand, exhibiting a three-legged piano-stool conformation, with a point to plane distance of 1.750 (1) A. The phenyl ring is twisted away from the fused ring system by 36.49 (5)degrees (r.m.s. deviation = 0.027 A; fitted atoms are the C-6 ring and the attached fused-ring C and O atoms). The dihydropyran ring displays a distorted envelope configuration by displacement of the phenyl-bearing and the adjacent ring C atoms from the fused-ring system plane by 0.356 (2) and 0.402 (2) A, respectively.},
  author       = {van Tonder, Johannes. H. and Bezuidenhoudt, Barend C. B. and van Rensburg, Jacobus},
  issn         = {1600-5368},
  language     = {eng},
  pages        = {459--907},
  publisher    = {Wiley-Blackwell},
  series       = {Acta Crystallographica Section E: Structure Reports Online},
  title        = {Racemic tricarbonyl(eta 6-7-methoxyflavan)chromium(0)},
  url          = {http://dx.doi.org/10.1107/S1600536810024992},
  volume       = {66},
  year         = {2010},
}