Kristallstruktur und Schwingungsspektrum des Tetra-Thallium-Hexaselenidohypodiphosphates Tl4P2Se6

1985 ◽  
Vol 40 (12) ◽  
pp. 1248-1252 ◽  
Author(s):  
Wolfgang Brockner ◽  
Lothar Ohse ◽  
Ulrich Pätzmann ◽  
Brigitte Eisenmann ◽  
Herbert Schäfer
Keyword(s):  
Melting Point ◽  
Raman Spectra ◽  
Title Compound ◽  
Far Infrared ◽  
Structure Type ◽  
Infrared And Raman Spectra ◽  
Monoclinic System ◽  
Coordination Polyhedra ◽  
Coordination Numbers ◽  
Lattice Constants

Tl4P2Se6 crystallizes in the monoclinic system, space group P21,/c (No. 14) with the lattice constants a = 1221.6(5) pm, b = 903.8(3) pm, c = 1230.0(5) pm, β = 98.9(1)°. In the new structure type there are two crystallographically different kinds of P2Se64- anions. The TlI ions show very distorted Se-coordination polyhedra with coordination numbers 6 to 8. The far infrared, infrared and Raman spectra of the title compound have been recorded. The observed frequencies are assigned on the basis of P2Se64- units with D3d symmetry. The melting point of Tl4P2Se6 is 485 ± 5 °C.

Kristallstruktur und Schwingungsspektren des Di-Blei-Hexaselenohypodiphosphates Pb2P2Se6 / Crystal Structure and Vibrational Spectra of Pb2P2Se6

1984 ◽  
Vol 39 (4) ◽  
pp. 357-361 ◽  
Author(s):  
Robert Becker ◽  
Wolfgang Brockner ◽  
Herbert Schäfer
Keyword(s):  
Crystal Structure ◽  
Raman Spectra ◽  
Vibrational Spectra ◽  
Title Compound ◽  
Far Infrared ◽  
Infrared And Raman Spectra ◽  
Monoclinic System ◽  
Space Group ◽  
Lattice Constants

Pb2P2Se6 crystallizes in the monoclinic system, space group Pn (No. 13) with the lattice constantsa = 974.2 (4) pm. b = 766.2 (3) pm. c = 689.8 (3) pm, β=91.44(5)°.The title compound is isotypic to the homologous Pb2P2S6. In the structure there are discrete P2Se4-6 anions.Far infrared, infrared and Raman spectra of this compound have been recorded. The observed frequencies are assigned on the basis of P2Se4-6 units with C2h symmetry in the crystal. DTA-data have been determined and interpreted.

Kristallstruktur und Schwingungsspektren des Di-Blei-Hexathiohypodiphosphates Pb2P2S6 / Crystal Structure and Vibrational Spectra of Pb2P2S6

1983 ◽  
Vol 38 (8) ◽  
pp. 874-879 ◽  
Author(s):  
Robert Becker ◽  
Wolfgang Brockner ◽  
Herbert Schäfer
Keyword(s):  
Crystal Structure ◽  
Raman Spectra ◽  
Vibrational Spectra ◽  
Far Infrared ◽  
Infrared And Raman Spectra ◽  
Monoclinic Modification ◽  
Monoclinic System ◽  
Space Group ◽  
Lattice Constants

Abstract Pb2P2S6 crystallizes in the monoclinic system, space group Pn with the lattice constants a = 940.2(4) pm, b= 746.6(3) pm, c = 661.2(3) pm, β = 91.53(5)°. The compound is isotypic to the monoclinic modification II of Sn2P2S6 . In the structure there are discrete P2S4-6 -anions.Far infrared, infrared and Raman spectra of this compound have been recorded. The observed frequencies are assigned on the basis of P2S4-6 units with C2h symmetry in the crystal. DTA-data have been determined and interpreted.

scholarly journals Kristallstruktur und Schwingungsspektrum des Thallium(I)-Zinn(II)-ortho-Thiophosphates TlSnPS4

1987 ◽  
Vol 42 (11) ◽  
pp. 1309-1312 ◽  
Author(s):  
Robert Becker ◽  
Wolfgang Brockner ◽  
Brigitte Eisenmann
Keyword(s):  
Raman Spectrum ◽  
Melting Point ◽  
Title Compound ◽  
Far Infrared ◽  
Orthorhombic System ◽  
Space Group ◽  
Lattice Constants ◽  
Moisture Sensitive

TlSnPS4 crystallizes in the orthorhombic system, space group Pna21 (Nr. 33), Z = 4 with the lattice constants a = 1175.8 (5) pm, b = 890.1 (4) pm, c = 663.3 (4) pm. In the structure are sligthly distorted discrete PS3-4 anions.The far infrared, infrared and Raman spectrum is assigned on the basis of PS3-4 -units with C3v symmetry. According to the DTA data the melting point for TlSnPS4 is 575 ± 5 °C. The title compound is not moisture sensitive and semi-conducting.

Kristallstruktur und Schwingungsspektren des Thalliumhexathiometadiphosphates Tl2P2S6 / Crystal Structure and Vibrational Spectra of Tl2P2S6

1983 ◽  
Vol 38 (12) ◽  
pp. 1575-1580 ◽  
Author(s):  
Claus Wibbelmann ◽  
Wolfgang Brockner ◽  
Brigitte Eisenmann ◽  
Herbert Schäfer
Keyword(s):  
Crystal Structure ◽  
Raman Spectra ◽  
Vibrational Spectra ◽  
Far Infrared ◽  
Infrared And Raman Spectra ◽  
Orthorhombic System ◽  
Space Group ◽  
Lattice Constants

Tl2P2S6 crystallizes in the orthorhombic system, space group Immm, Z = 2 with the lattice constantsa = 793.2(4) pm, b = 689.2(4) pm, c = 901.9(5) pm.In the structure there are discrete P2S62- -anions. The P2S62- -ion was found to be a hexa-thiometadiphosphate group where the two P atoms are linked by two S bridges.Far infrared, infrared and Raman spectra of this compound have been recorded. The observed frequencies are assigned on the basis of P2S62- units with D2h symmetry in analogy to the isoelectronic Al2Cl6

Far-infrared and Raman spectra of mixed HClDCl crystals

1981 ◽  
Vol 63 (3) ◽  
pp. 293-301 ◽  
Author(s):  
Jean-Claude Bureau ◽  
Louis-Claude Brunel
Keyword(s):  
Raman Spectra ◽  
Far Infrared ◽  
Infrared And Raman Spectra

Schwingungsspektren von Sn2P2S6 / Vibrational Spectra of Sn2P2S6

1983 ◽  
Vol 38 (5) ◽  
pp. 555-558 ◽  
Author(s):  
Robert Becker ◽  
Wolfgang Brockner ◽  
Claus Wibbelmann
Keyword(s):  
Raman Spectra ◽  
Vibrational Spectra ◽  
Far Infrared ◽  
Infrared And Raman Spectra

Far infrared, infrared and Raman spectra of tin hexathiohypodiphosphate Sn2P2S6 (mono­clinic modification II) have been recorded. The observed frequencies are assigned on the basis of P2S64-units with C2h symmetry in the crystal. The assignment is supported by the correlation D3d (dissolved P2S64- ion) → C2h. DTA-data have been determined and interpreted.

ChemInform Abstract: Moessbauer, Far-Infrared and Raman Spectra of Tetrachloro(1,4-di(p-methoxyphenyl)-2,3-dimethyl-1,4-diazabutadiene) Tin(IV)

ChemInform ◽  
1990 ◽  
Vol 21 (4) ◽  
Author(s):  
A. ALVAREZ-VALDES ◽  
A. H. BRAVO ◽  
M. J. CAMAZON ◽  
N. MENENDEZ ◽  
C. NAVARRO-RANNINGER ◽  
...  
Keyword(s):  
Raman Spectra ◽  
Far Infrared ◽  
Infrared And Raman Spectra
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