Single crystal EPR of Cu(C5H5NO)6(BF4)2:: an example of admixed ground state

被引：58

作者：

Benial, AMF

Ramakrishnan, V

Murugesan, R ^{[1
]}

机构：

[1] Madurai Kamaraj Univ, Sch Chem, Madurai 625021, Tamil Nadu, India

[2] Madurai Kamaraj Univ, Sch Phys, Dept Microprocessor & Comp, Laser Lab, Madurai 625021, Tamil Nadu, India

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2000年 / 56卷 / 14期

关键词：

Cu(II) EPR; hexakis(2-pyridone)copper(II) fluoborate; low symmetry; admixed ground state;

D O I：

10.1016/S1386-1425(00)00322-X

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Single crystal electron paramagnetic resonance (EPR) of Cu(C5H5NO)(6)(BF4)(2) is studied at 300 K. The spin Hamiltonian parameters obtained at 300 K are A(11) = - 149.8, A(22) = - 50.7 and A(33) = - 37.7 (all in units of 10(-4) cm(-1)), g(11) = 2.3452, g(22) = 2.0679 and g(33) = 2.0695. Angular Variation of hyperfine structure lines shows the presence of a single magnetic site. The low magnitude of the A(11) value for Cu(C5H5NO)(6)(BF4)(2) is rationalized in terms of a mixed d(x2.y2)/d(z2) ground state. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：2775 / 2781

页数：7

共 18 条

[1] Single-crystal EPR studies on Ni(II)- and Mn(II)-doped hexakis(pyrazole) complexes of Zn(II) and Cd(II): a trigonally distorted cubic environment
Anthonisamy, VSX
Padiyan, DP
Murugesan, R
[J]. MOLECULAR PHYSICS, 1998, 94 (02) : 275 - 281
[2] EPR of hexakis (1-propyltetrazole) copper(II) tetrafluoroborate and Cu(II)-doped hexakis(1-propyltetrazole) zinc(II) tetrafluoroborate. Dynamic to static Jahn-Teller distortion
Anthonisamy, VSX
Murugesan, R
[J]. CHEMICAL PHYSICS LETTERS, 1998, 287 (3-4) : 353 - 358
[3] EPR of Cu(II)-doped hexakis(pyrazole) complexes of Zn(II) and Cd(II): coexistence of isotropic and anisotropic spectra
Anthonisamy, VSX
Murugesan, R
[J]. MOLECULAR PHYSICS, 1998, 94 (02) : 269 - 273
[4] Anthonisamy VSX, 1999, SPECTROCHIM ACTA A, V55, P135
[5] ESR STUDY OF BIS(OMEGA-NITROACETOPHENONATO)BIS(4-METHYLPYRIDINE)CU(II) - 6-COORDINATED LOW-SYMMETRY COPPER CHELATE
ATTANASIO, D
[J]. JOURNAL OF MAGNETIC RESONANCE, 1977, 26 (01) : 81 - 91
[6] Temperature dependence of the crystal structure and EPR spectrum of bis(1,3,5-trihydroxycyclohexane)copper(II) tosylate. A unified interpretation using a model of dynamic vibronic coupling
Bebendorf, J
Burgi, HB
Gamp, E
Hitchman, MA
Murphy, A
Reinen, D
Riley, MJ
Stratemeier, H
[J]. INORGANIC CHEMISTRY, 1996, 35 (25) : 7419 - 7429
[7] Single crystal electron paramagnetic resonance study of Mn(II) doped Zn(C5H5NO)6(BF4)2:: probe into site symmetry
Benial, AMF
Ramakrishnan, V
Murugesan, R
[J]. SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 1999, 55 (13) : 2573 - 2577
[8] ELECTRONIC PROPERTIES AND STEREOCHEMISTRY OF COPPER(II) ION .7. MONO(DIETHYLENETRIAMINE)COPPER(II) COMPLEXES
BEW, MJ
HATHAWAY, BJ
FEREDAY, RJ
[J]. JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1972, (12): : 1229 - &
[9] STRUCTURAL AND MAGNETIC-PROPERTIES OF TRANSITION-METAL COMPLEXES OF PYRIDINE N-OXIDE
CARLIN, RL
DEJONGH, LJ
[J]. CHEMICAL REVIEWS, 1986, 86 (04) : 659 - 680
[10] SYNTHESES, MOLECULAR-STRUCTURES, AND PROPERTIES OF 2 POLAR DIRUTHENIUM(II,III) COMPLEXES OF 2-HYDROXYPYRIDINE AND 2-ANILINOPYRIDINE
CHAKRAVARTY, AR
COTTON, FA
TOCHER, DA
[J]. INORGANIC CHEMISTRY, 1985, 24 (02) : 172 - 177

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