Bis(tetra-n-butylammonium) (a redetermination at 150 K) and bis(tetraphenylarsonium) bis(1,3-dithiole-2-thione-4,5-dithiolato)zinc(II) (at 300 K)

N M Comerlato, W T A Harrison, R A Howie, J N Low, A C Silvino, J L Wardell, S M S V Wardell

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The title compounds are salts of the general form (Q(+))(2)[Zn(dmit)(2)](2-), where dmit corresponds to the ligand (C3S5)(-) present in both and Q(+) to the counter-cations ((Bu4N)-Bu-n)(+) [or C16H36N+] and (Ph4As)(+) [or C24H20As+], respectively. In the first case, Zn is in the 4e special positions of space group C2/c and hence the [Zn(dmit)(2)](2-) dianion possesses twofold axial crystallographic symmetry. Including these, there are now 11 known examples of [Zn(dmit)(2)](2-) or its analogues, with O replacing the exocyclic thione S, and [Zn(dmio)(2)](2-) dianions in nine structures with various Q. Comparison of these reveals a remarkable variation in details of the conformation which the dianion may adopt in terms of Zn coordination, equivalence of the Zn-S bond lengths, displacement of Zn from the plane of the ligand and overall dianion shape.

Original languageEnglish
Pages (from-to)m105-m108
Number of pages4
JournalActa Crystallographica Section C, Crystal Structure Communications
Volume58
Issue number2
DOIs
Publication statusPublished - Feb 2002

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Thiones
Zinc
Ligands
Bond length
Conformations
Cations
Salts
tetraphenylarsonium

Keywords

  • Crystal-structures
  • Salts

Cite this

Bis(tetra-n-butylammonium) (a redetermination at 150 K) and bis(tetraphenylarsonium) bis(1,3-dithiole-2-thione-4,5-dithiolato)zinc(II) (at 300 K). / Comerlato, N M ; Harrison, W T A ; Howie, R A ; Low, J N ; Silvino, A C ; Wardell, J L ; Wardell, S M S V .

In: Acta Crystallographica Section C, Crystal Structure Communications, Vol. 58, No. 2, 02.2002, p. m105-m108.

Research output: Contribution to journalArticle

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title = "Bis(tetra-n-butylammonium) (a redetermination at 150 K) and bis(tetraphenylarsonium) bis(1,3-dithiole-2-thione-4,5-dithiolato)zinc(II) (at 300 K)",
abstract = "The title compounds are salts of the general form (Q(+))(2)[Zn(dmit)(2)](2-), where dmit corresponds to the ligand (C3S5)(-) present in both and Q(+) to the counter-cations ((Bu4N)-Bu-n)(+) [or C16H36N+] and (Ph4As)(+) [or C24H20As+], respectively. In the first case, Zn is in the 4e special positions of space group C2/c and hence the [Zn(dmit)(2)](2-) dianion possesses twofold axial crystallographic symmetry. Including these, there are now 11 known examples of [Zn(dmit)(2)](2-) or its analogues, with O replacing the exocyclic thione S, and [Zn(dmio)(2)](2-) dianions in nine structures with various Q. Comparison of these reveals a remarkable variation in details of the conformation which the dianion may adopt in terms of Zn coordination, equivalence of the Zn-S bond lengths, displacement of Zn from the plane of the ligand and overall dianion shape.",
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AU - Comerlato, N M

AU - Harrison, W T A

AU - Howie, R A

AU - Low, J N

AU - Silvino, A C

AU - Wardell, J L

AU - Wardell, S M S V

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N2 - The title compounds are salts of the general form (Q(+))(2)[Zn(dmit)(2)](2-), where dmit corresponds to the ligand (C3S5)(-) present in both and Q(+) to the counter-cations ((Bu4N)-Bu-n)(+) [or C16H36N+] and (Ph4As)(+) [or C24H20As+], respectively. In the first case, Zn is in the 4e special positions of space group C2/c and hence the [Zn(dmit)(2)](2-) dianion possesses twofold axial crystallographic symmetry. Including these, there are now 11 known examples of [Zn(dmit)(2)](2-) or its analogues, with O replacing the exocyclic thione S, and [Zn(dmio)(2)](2-) dianions in nine structures with various Q. Comparison of these reveals a remarkable variation in details of the conformation which the dianion may adopt in terms of Zn coordination, equivalence of the Zn-S bond lengths, displacement of Zn from the plane of the ligand and overall dianion shape.

AB - The title compounds are salts of the general form (Q(+))(2)[Zn(dmit)(2)](2-), where dmit corresponds to the ligand (C3S5)(-) present in both and Q(+) to the counter-cations ((Bu4N)-Bu-n)(+) [or C16H36N+] and (Ph4As)(+) [or C24H20As+], respectively. In the first case, Zn is in the 4e special positions of space group C2/c and hence the [Zn(dmit)(2)](2-) dianion possesses twofold axial crystallographic symmetry. Including these, there are now 11 known examples of [Zn(dmit)(2)](2-) or its analogues, with O replacing the exocyclic thione S, and [Zn(dmio)(2)](2-) dianions in nine structures with various Q. Comparison of these reveals a remarkable variation in details of the conformation which the dianion may adopt in terms of Zn coordination, equivalence of the Zn-S bond lengths, displacement of Zn from the plane of the ligand and overall dianion shape.

KW - Crystal-structures

KW - Salts

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