LUMINESCENT ZINC(II) AND CADMIUM(II) COMPLEXES
1867
obtained in a month. The compound composi-tion was
identified by XRD of single crystals.
O.S. Koshcheeva, and A.P. Zubareva for performing
the CHN-analysis. This work was supported by
Russian Foundation for Basic Research (grant no. 12-
03-00 111-a).
Bis[4,5-dimethyl-2-(pyridin-2-yl)-1Н-imidazol-1-
2
olato]zinc–water (1/2), ZnL Cl ·2H O (VI). A hot
2
2
2
2
solution of 37.8 mg of HL and 11.2 mg of KOH in
REFERENCES
0
.5 ml of MeOH was added to hot solution of 21.9 mg
1
2
3
. Sasabe, H. and Kido, J., Chem. Mater., 2011, vol. 23,
of Zn(OAc) ·2H O in 0.5 ml of MeOH. Yellowish
2
2
no. 3, p. 621.
solution formed. The reaction mixture was stirred at
. Petrova, P. and Tomova, R., Bulg. Chem. Commun.,
heating for 2 h, and then 5 ml of H O was added. Light
2
2
009, vol. 41, no. 3, p. 211.
yellow precipitate formed. The reaction mixture was
evaporated to a volume of 1 ml, the precipitate was
filtered off, washed with water, and dried in air. Yield
. Kelley, T.W., Baude, P.F., Gerlach, C., Ender, D.E.,
Muyres, D., Haase, M.A., Vogel, D.E., and Theiss, S.D.,
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3
6.0 mg (75%). Found, %: C 49.6; H 5.2; N 17.6.
4
. Prodi, L., Bolletta, F., Montalti, M., and Zaccheroni, N.,
C H N O Zn. Calculated, %: C 50.3; H 5.1; N 17.6.
2
0
24
6
4
Coord. Chem. Rev., 2000, vol., 205, p. 59.
5
6
. Bren’, V.A., Usp. Khim., 2001, vol.70, no. 12, p. 1152.
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. Metelitsa, A.B., Burlov, A.S., Bezuglyi, S.O., Borod-
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Bis[4,5-dimethyl-2-(pyridin-2-yl)-1Н-imidazol-1-
2
olato]cadmium, CdL (VII). Hot solution of 56.8 mg
2
2
of HL and 16.8 mg of KOH in 2 ml of MeOH was
7
added to the solution of 40.0 mg of Cd(OAc) ·2H O in
2
2
1
ml of 1:1 MeOH–H O mixture. The yellow sus-
2
pension formed was stirred at heating for 2 h. A bright
yellow precipitate formed. To the reaction mixture 3 ml
8
9
of H O was added, and it was heated for 2 h, then
2
. Yam, V.W.-W. and Lo, K.K.-W., Chem. Soc. Rev.,
cooled, the precipitate was kept in contact with the
mother liquor for 15 h. Then the precipitate was
filtered off, washed with water, and dried in air. Yield
1
999, vol. 28, no. 5, p. 323.
1
1
0. Zheng, S.-L. and Chen, X.-M., Austral. J. Chem., 2004,
vol. 57, no. 8, p. 703.
5
6.6 mg (88%). Found, %: C 48.4; H 4.3; N 16.7.
1. Stolyarov, K.P. and Grigor’ev, N.N., Vvedenie v
lyuminestsentnyi analiz neorganicheskikh veshchestv
(Introduction to the Luminescent Analysis of Inorganic
Substances), Leningrad: Khimiya, 1967.
C H CdN O . Calculated, %: C 49.1; H 4.1; N 17.2.
2
0
20
6
2
XRD analysis. Unit cell parameters for compounds
I and V and arrays of the experimental intensities at
1
50 K were obtained on an automatic diffractometer
12. Krasovitskii, B.M. and Bolotin, B.M., Organicheskie
lyuminofory (Organic Luminophores), Moscow: Khimiya,
Bruker Nonius X8 Apex with 4K CCD detector [33].
Diffraction data were obtained by standard methods
1
984.
1
1
3. Williams, N.J., Gan, W., Reibenspies, C., and Han-
(
λMoK , graphite monochromator). Crystallographic
α
cock, R.D., Inorg. Chem., 2009, vol. 48, no. 4, p. 1407.
data and details of diffraction experiment are shown in
Table 3. The extinction is taken into account
semiempirically, based on the intensity of equivalent
reflections (SADABS) [33]. The structure was solved
by the direct method and refined by full-matrix aniso-
4. de Silva, A.P., Gunaratne, H.Q.N., Gunnlaugsson, T.,
Huxley, A.J.M., McCoy, C.P., Rademacher, J.T., and
Rice, T.E., Chem. Rev., 1997, vol. 97, no. 5, p. 1515.
1
5. Gutov, O.V., Rusanov, E.B., Kudryavtsev, A.A.,
Garasevych, S.G., Slobodyanyuk, O.V., Yashchuk, V.M.,
and Chernega, A.N., Cryst. Eng. Comm., 2011, vol. 13,
no. 5, p. 1373.
2
tropic approximation with respect to F for non-
hydrogen atoms using the program package SHELX97
[
33]. Hydrogen atoms of organic ligands were localized
1
1
1
6. Yang, C., Elbjeirami, O., Palehepitiya Gamage, C.S.,
geometrically and refined in the approximation of a
rigid body. Atomic coordinates and thermal parameters
are deposited in the Cambridge Structural Database
Rasika Dias, H.V., and Omary, M.A., Chem. Commun.,
2
011, vol. 47, no. 26, p. 7434.
7. Semenov, A.A., Ocherk khimii prirodnykh veshchestv
(
CCDC 848765 and 848766).
ACKNOWLEDGMENTS
The authors are grateful to N.I. Alferova for
(
Essay on the Chemistry of Natural Substances),
Novosibirsk: Nauka, 2000.
8. Pachhunga, K., Therrien, B., Kreisel, K.A., Yap, G.P.A.,
and Kollipara, M.R., Polyhedron, 2007, vol. 26, no. 14,
p. 3638.
recording the IR spectra of compounds, to
RUSSIAN JOURNAL OF GENERAL CHEMISTRY Vol. 82 No. 11 2012