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- Title
A Unique Example of a Co-crystal of [Co(AMTTO)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>](NO<sub>3</sub>)<sub>2</sub> and [Co(AMTTO)<sub>2</sub>(CH<sub>3</sub>CN)<sub>2</sub>](NO<sub>3</sub>)<sub>2</sub> (AMTTO = 4-amino-5-methyl-1,2,4-triazol-3(2H)-thione)
- Authors
Bazyari, Pariya; Tabatabaee, Masoumeh; Nasirizadeh, Navid; Dušek, Michal; Eigner, Václav
- Abstract
A co-crystal of cobalt(II) complexes, Co(AMTTO)2(CH3CN)2]2+(NO3)2. [Co(AMTTO)2(H2O)2]2+(NO3)2, compound (1) was isolated from the reaction of Co(NO3)2⋅6H2O and 4-amino-3-mercapto-6-methyl-5-oxo-1,2,4-triazine (AMTTO) in acetonitrile as solvent. Isolated crystals were characterized by elemental analyses, IR spectroscopy as well as X-ray diffraction studies. Crystal data for 1 at 95 K revealed a monoclinic space group P21/n, a = 11.7903(5), b = 12.1279(5), c = 14.1443(6) Å, β = 99.244(4)°, Z = 2, R1 = 0.0339. Compound 1 consists of two co-crystallized Co(II) complexes [Co(AMTTO)2(CH3CN)2]2+ and [Co(AMTTO)2(H2O)2]2+ and four nitrate counter anions In both complexes, cobalt(II) ions are in an octahedral arrangement. Two S, N bidentate AMTTO ligands are coordinated to both Co(II) ions. The coordination sphere of Co1 is completed by two acetonitrile molecules, and these positions are occupied by water molecules for Co2. A co-crystal of cobalt(II) compound was isolated from the reaction of Co(NO3)2⋅6H2O and 4-amino-3-mercapto-6-methyl-5-oxo-1,2,4-triazine in acetonitrile as solvent.
- Subjects
SPACE groups; ELEMENTAL analysis; COBALT compounds; ACETONITRILE; TRIAZINE derivatives; X-ray diffraction; COBALT
- Publication
Journal of Chemical Crystallography, 2021, Vol 51, Issue 4, p575
- ISSN
1074-1542
- Publication type
Article
- DOI
10.1007/s10870-021-00882-5