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Structural and spectral studies of hydrated hexaamminecobalt(III)–hexafluororhenate(IV)

Journal Article · · Journal of Fluorine Chemistry
 [1];  [2];  [2];  [3];  [2]
  1. Univ. of Nevada, Las Vegas, NV (United States); University of Nevada Las Vegas
  2. Univ. of Nevada, Las Vegas, NV (United States)
  3. Vietnam National Univ., Hanoi (Vietnam)
The crystal structure of the [Co(NH3)6]2[ReF6]3·3H2O (I) salt is reported. The salt crystallizes in the trigonal space group P31m with the following unit cell dimensions: a = 15.8714(4) Å, b = 15.8714(4) Å, and c = 9.8657(4) Å. Here, the structure of (I) consists of [Co(NH3)6]3+ cations, [ReF6]2– anions, and co-crystallized water molecules which are linked by hydrogen bonding. In (I), independent [ReF6]2– anions and [Co(NH3)6]3+ cations octahedron are slightly distorted. Characteristic vibration bands of the [Co(NH3)6]3+ cation, [ReF6]2– anion as well as the co-crystallized H2O molecules are observed in the infrared spectra of (I). UV-Visible analyses in water showed that the absorption of the [Co(NH3)6]3+ cation predominate the spectra of (I).
Research Organization:
Univ. of California, Berkeley, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
Grant/Contract Number:
NA0003180
OSTI ID:
1826175
Journal Information:
Journal of Fluorine Chemistry, Journal Name: Journal of Fluorine Chemistry Vol. 252; ISSN 0022-1139
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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