Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 69-72 |
| Seitenumfang | 4 |
| Fachzeitschrift | Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences |
| Jahrgang | 61 |
| Ausgabenummer | 1 |
| Publikationsstatus | Veröffentlicht - 1 Jan. 2006 |
Abstract
The crystal structures of piperazinium tetrahalogenometallates (II) [C 4H12N2]MX4(M = Zn, Hg; X = Br, I), orthorhombic with space group P212121 and Z = 4 are isostructural with [C4H12N2]CdI 4. The structure consists of piperazinium cations and isolated tetrahedral MX4 anions. [C4H12N 2]ZnBr4 (1): a = 850.4(2), b = 1146.5(3), and c = 1228.4(4) pm at 300(2) K, [C4H12N2]ZnI 4 (2): a = 886.89(6), b = 1209.11(9), and c = 1293.79(9) pm at 223(2) K, [C4H12N2]HgBr4 (3): a = 865.48(14), b = 1158.7(3), and c = 1233.3(2) pm at 293(2) K, [C 4H12N2]HgI4 (4): a = 899.6(2), b = 1230.0(2), and c = 1299.5(3) pm at 293(2) K. All crystals show a structural phase transition at about 560 K and decomposition temperatures above 600 K. The lattice stability of the crystals is well explained by N-H⋯X hydrogen bond networks.
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- Allgemeine Chemie
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in: Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences, Jahrgang 61, Nr. 1, 01.01.2006, S. 69-72.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Crystal structures of piperazinium tetrahalogenometallates (II) [C 4H12N2]MX4 (M = Zn, Hg; X = Br, I)
AU - Ishihara, Hideta
AU - Horiuchi, Keizo
AU - Svoboda, Ingrid
AU - Fuess, Hartmut
AU - Gesing, Thorsten M.
AU - Buhl, J. Christian
AU - Terao, Hiromitsu
PY - 2006/1/1
Y1 - 2006/1/1
N2 - The crystal structures of piperazinium tetrahalogenometallates (II) [C 4H12N2]MX4(M = Zn, Hg; X = Br, I), orthorhombic with space group P212121 and Z = 4 are isostructural with [C4H12N2]CdI 4. The structure consists of piperazinium cations and isolated tetrahedral MX4 anions. [C4H12N 2]ZnBr4 (1): a = 850.4(2), b = 1146.5(3), and c = 1228.4(4) pm at 300(2) K, [C4H12N2]ZnI 4 (2): a = 886.89(6), b = 1209.11(9), and c = 1293.79(9) pm at 223(2) K, [C4H12N2]HgBr4 (3): a = 865.48(14), b = 1158.7(3), and c = 1233.3(2) pm at 293(2) K, [C 4H12N2]HgI4 (4): a = 899.6(2), b = 1230.0(2), and c = 1299.5(3) pm at 293(2) K. All crystals show a structural phase transition at about 560 K and decomposition temperatures above 600 K. The lattice stability of the crystals is well explained by N-H⋯X hydrogen bond networks.
AB - The crystal structures of piperazinium tetrahalogenometallates (II) [C 4H12N2]MX4(M = Zn, Hg; X = Br, I), orthorhombic with space group P212121 and Z = 4 are isostructural with [C4H12N2]CdI 4. The structure consists of piperazinium cations and isolated tetrahedral MX4 anions. [C4H12N 2]ZnBr4 (1): a = 850.4(2), b = 1146.5(3), and c = 1228.4(4) pm at 300(2) K, [C4H12N2]ZnI 4 (2): a = 886.89(6), b = 1209.11(9), and c = 1293.79(9) pm at 223(2) K, [C4H12N2]HgBr4 (3): a = 865.48(14), b = 1158.7(3), and c = 1233.3(2) pm at 293(2) K, [C 4H12N2]HgI4 (4): a = 899.6(2), b = 1230.0(2), and c = 1299.5(3) pm at 293(2) K. All crystals show a structural phase transition at about 560 K and decomposition temperatures above 600 K. The lattice stability of the crystals is well explained by N-H⋯X hydrogen bond networks.
KW - Crystal Structure
KW - DSC
KW - Hydrogen Bond
KW - Phase Transition
KW - Piperazinium Tetrahalogenometallates (II)
UR - http://www.scopus.com/inward/record.url?scp=33646530280&partnerID=8YFLogxK
U2 - 10.1515/znb-2006-0114
DO - 10.1515/znb-2006-0114
M3 - Article
AN - SCOPUS:33646530280
VL - 61
SP - 69
EP - 72
JO - Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences
JF - Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences
SN - 0932-0776
IS - 1
ER -