Na2HgS2 und K2HgS2, zwei Thiomercurate mit isolierten Anionen

Kurt O. Klepp

Na2HgS2 und K2HgS2, zwei Thiomercurate mit isolierten Anionen

Kurt O. Klepp

Institut für Anorganische Chemie

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

Abstract

Na2HgS2 and K2HgS2 were obtained as colourless, tabular crystals by reacting the alkali sulfides Na2S and K2S with red HgS at 970K. Both compounds are orthorhombic: Na2HgS2, oP40, s.g. Pbca with a=18.24(2)Ä, b=7.494(5)Ä, c=7.237(5)Ä, Z=8; K2HgS2, oP20, s.g.. Pbcm, a=10.698(6)Ä, b=7.958(8)Ä, c=7.272(9)Ä, Z=4. Their crystal structures were determined from four circle diffractometer data and refined anisotropically to conventional R-factors of 0.056 (Na2HgS2) and 0.062 (K2HgS2) for 945 and 485 reflections with Fo(2)>3sigma(Fo(2)), resp. The crystal structures represent new structure types. They are closely related with each other and can be derived from hcp-arrays of the chalcogen-atoms. Characteristic feature ist the formation of discrete, almost linear [S-Hg-S](2-)-dithiomercurate anions with average HgS-bond lengths of 2.31Ä.

Titel in Übersetzung	Na2HgS2 and K2HgS2, Two Thiomercurates with Discrete Anions
Originalsprache	Deutsch (Österreich)
Seitenumfang	6
Fachzeitschrift	Zeitschrift für Naturforschung B: A Journal of Chemical Sciences
Publikationsstatus	Veröffentlicht - Sep. 1991

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@article{8df0d8a2bd494cb390f267364139ebbf,

title = "Na2HgS2 und K2HgS2, zwei Thiomercurate mit isolierten Anionen",

abstract = "Na2HgS2 and K2HgS2 were obtained as colourless, tabular crystals by reacting the alkali sulfides Na2S and K2S with red HgS at 970K. Both compounds are orthorhombic: Na2HgS2, oP40, s.g. Pbca with a=18.24(2){\"A}, b=7.494(5){\"A}, c=7.237(5){\"A}, Z=8; K2HgS2, oP20, s.g.. Pbcm, a=10.698(6){\"A}, b=7.958(8){\"A}, c=7.272(9){\"A}, Z=4. Their crystal structures were determined from four circle diffractometer data and refined anisotropically to conventional R-factors of 0.056 (Na2HgS2) and 0.062 (K2HgS2) for 945 and 485 reflections with Fo(2)>3sigma(Fo(2)), resp. The crystal structures represent new structure types. They are closely related with each other and can be derived from hcp-arrays of the chalcogen-atoms. Characteristic feature ist the formation of discrete, almost linear [S-Hg-S](2-)-dithiomercurate anions with average HgS-bond lengths of 2.31{\"A}.",

author = "Klepp, \{Kurt O.\}",

year = "1991",

month = sep,

language = "Deutsch ({\"O}sterreich)",

journal = "Zeitschrift f{\"u}r Naturforschung B: A Journal of Chemical Sciences",

issn = "0932-0776",

publisher = "Verlag der Zeitschrift f{\"u}r Naturforschung",

}

TY - JOUR

T1 - Na2HgS2 und K2HgS2, zwei Thiomercurate mit isolierten Anionen

AU - Klepp, Kurt O.

PY - 1991/9

Y1 - 1991/9

N2 - Na2HgS2 and K2HgS2 were obtained as colourless, tabular crystals by reacting the alkali sulfides Na2S and K2S with red HgS at 970K. Both compounds are orthorhombic: Na2HgS2, oP40, s.g. Pbca with a=18.24(2)Ä, b=7.494(5)Ä, c=7.237(5)Ä, Z=8; K2HgS2, oP20, s.g.. Pbcm, a=10.698(6)Ä, b=7.958(8)Ä, c=7.272(9)Ä, Z=4. Their crystal structures were determined from four circle diffractometer data and refined anisotropically to conventional R-factors of 0.056 (Na2HgS2) and 0.062 (K2HgS2) for 945 and 485 reflections with Fo(2)>3sigma(Fo(2)), resp. The crystal structures represent new structure types. They are closely related with each other and can be derived from hcp-arrays of the chalcogen-atoms. Characteristic feature ist the formation of discrete, almost linear [S-Hg-S](2-)-dithiomercurate anions with average HgS-bond lengths of 2.31Ä.

AB - Na2HgS2 and K2HgS2 were obtained as colourless, tabular crystals by reacting the alkali sulfides Na2S and K2S with red HgS at 970K. Both compounds are orthorhombic: Na2HgS2, oP40, s.g. Pbca with a=18.24(2)Ä, b=7.494(5)Ä, c=7.237(5)Ä, Z=8; K2HgS2, oP20, s.g.. Pbcm, a=10.698(6)Ä, b=7.958(8)Ä, c=7.272(9)Ä, Z=4. Their crystal structures were determined from four circle diffractometer data and refined anisotropically to conventional R-factors of 0.056 (Na2HgS2) and 0.062 (K2HgS2) for 945 and 485 reflections with Fo(2)>3sigma(Fo(2)), resp. The crystal structures represent new structure types. They are closely related with each other and can be derived from hcp-arrays of the chalcogen-atoms. Characteristic feature ist the formation of discrete, almost linear [S-Hg-S](2-)-dithiomercurate anions with average HgS-bond lengths of 2.31Ä.

M3 - Artikel

SN - 0932-0776

JO - Zeitschrift für Naturforschung B: A Journal of Chemical Sciences

JF - Zeitschrift für Naturforschung B: A Journal of Chemical Sciences

ER -