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author:

Ren, YG (Ren, YG.) [1] | Chen, ZR (Chen, ZR.) [2] (Scholars:陈之荣) | Li, HH (Li, HH.) [3] (Scholars:李浩宏) | Zhao, B (Zhao, B.) [4] (Scholars:赵斌) | Huang, CC (Huang, CC.) [5] (Scholars:黄长沧) | Li, JQ (Li, JQ.) [6]

Indexed by:

SCIE PKU CSCD

Abstract:

The title compound [Cu(dafone)(2)(DMF)(2)]-2ClO(4) 1 (dafone = 4,5-diazafluoren-9-one, dmf = N,N'-dimethyl formamide) was synthesized by the reaction Of Cu(ClO4)(2) and dafone in DMF solution at room temperature with pH = 3.0. The single-crystal X-ray analysis has revealed that I crystallizes in monoclinic, space group P2(1)/n with a = 8.4853(8), b = 13.1520 (14), c 14.3866(12) angstrom, beta =102.629(3)degrees, V = 1566.7(3) angstrom(3), C28H26Cl2CuN6O12, M-r = 773.00, Z = 2, D-c = 1.639 g/cm(3), F(000) = 790, mu = 0.942 mm(-1), the final R = 0.0438 and wR = 0.1214 for 3165 observed reflections with I > 2 sigma(I). X-ray analysis shows that compound 1 has unsymmetric chelation of dafone with one Cu-N bond being much longer than the other. Coordination geometry of Cu is a highly distorted octahedron and the whole structure is stabilized by pi-pi stacking and static attractive forces from [ClO4](-) anions. Based on the crystal data, quantum chemistry calculation at the DFT/B3LPY level was used to reveal the electronic structure of 1.

Keyword:

Cu(II) complexes dafone quantum calculation unsymmetric chelation

Community:

  • [ 1 ] Fuzhou Univ, Coll Chem & Chem Engn, Fujian 350002, Peoples R China
  • [ 2 ] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fujian 350002, Peoples R China

Reprint 's Address:

  • 陈之荣

    [Chen, ZR]Fuzhou Univ, Coll Chem & Chem Engn, Fujian 350002, Peoples R China

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Source :

CHINESE JOURNAL OF STRUCTURAL CHEMISTRY

ISSN: 0254-5861

CN: 35-1112/TQ

Year: 2005

Issue: 5

Volume: 24

Page: 568-572

0 . 6 6 9

JCR@2005

5 . 9 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count: 5

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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