Single crystal electron paramagnetic resonance study of Mn(II) doped Zn(C5H5NO)(6)(BF4)(2): probe into site symmetry

Authors
Benial, AMF Ramakrishnan, V Murugesan, R
Citation
Amf. Benial et al., Single crystal electron paramagnetic resonance study of Mn(II) doped Zn(C5H5NO)(6)(BF4)(2): probe into site symmetry, SPECT ACT A, 55(13), 1999, pp. 2573-2577
Citations number
19
Categorie Soggetti
Spectroscopy /Instrumentation/Analytical Sciences
Journal title
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
ISSN journal
13861425 → ACNP
Volume
55
Issue
13
Year of publication
1999
Pages
2573 - 2577
Database
ISI
SICI code
1386-1425(199911)55:13<2573:SCEPRS>2.0.ZU;2-J
Abstract
Single crystal electron paramagnetic resonance (EPR) of Mn(II) doped Zn(C5H 5NO)(6)(BF4)(2) is studied at 300 K. The spin Hamiltonian parameters at 300 K are A(parallel to) = -84.1, A(perpendicular to) = -87.6, D = 267, E = -3 9.3, n = 4.7 (all in units of 10(-4) cm(-1)), g(parallel to) = 2.0005 and g (perpendicular to) = 2.0096. Based on the angular variation of the fine-str ucture lines and the observation of only a single magnetic site, the parama gnetic dopant is assigned a substitutional site. The distortion axis corres ponds to one of the metal-ligand directions. The covalency of Mn-O bond is estimated to be 8.9%. (C) 1999 Elsevier Science B.V. All rights reserved.