Synthesis and crystal structure of nickel(II) dinitrate molecular complex with 3,5-lutidine

• Published in: Russian journal of inorganic chemistry Vol. 56; no. 6; pp. 856 - 860
• Main Authors: Kokunov, Yu. V., Gorbunova, Yu. E., Kovalev, V. V.
• Format: Journal Article
• Language: English
• Published: Dordrecht SP MAIK Nauka/Interperiodica 01-06-2011
• Subjects: Chemistry; Chemistry and Materials Science; Coordination Compounds; Crystal structure; Crystals; Inorganic Chemistry; Ligands; Nickel; Nitrates; Octahedrons; Oxygen ions; Synthesis; Pyridine Molecule; Nitrate Group; Coordination Polymer; Trans Position; Distorted Octahedron
• ISSN: 0036-0236; 1531-8613
• DOI: 10.1134/S0036023611060118

Complex [Ni(NO
3
)
2
(3,5-lutidine)
3
] (3,5-lutidine, 3,5-Lut-C
7
H
9
N) was synthesized, and its crystal structure was determined. Complex crystals are monoclinic: space group
Cc
,
a
= 14.445(1) Å,
b
= 10.024(1) Å,
c
= 17.607(1) Å, β = 108.96(1)°,
V
= 2411(1) Å
3
, ρ
calcd
= 2.389 g/cm
3
,
Z
= 4. The structure is built of discrete neutral complexes [Ni(3,5-Lut)
3
(NO
3
)
2
]. The coordination sphere of Ni
2+
ions is a disordered octahedron, which consists of three crystallographically nonequivalent lutidine ligands (Ni-N, 2.059–2.124 Å) and two oxygen ions of the two nitrate ions (Ni-O, 2.047–2.258 Å).