ISSN:
0044-2313
Keywords:
Chemistry
;
Inorganic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
Die Kristallstruktur der Diphenyldithiophosphinsäure (C6H5)2P(S)SH wurde röntgenographisch bei tiefer Temperatur und Normaltemperatur aus Einkristalldiffraktometerdaten bestimmt und bis zu R-Werten von 0,037 (140 K, (sin Θ)/λ 〈 0,81 Å-1) und 0,035 (293 K, (sin Θ)/λ 〈 0,64 Å-1) verfeinert. Die Verbindung kristallisiert in der monoklinen Raumgruppe P21/c mit den bei 140 K (in Klammern: 293 K) gemessenen Gitterkonstanten a = 9,824(3) (9,887), b = 10,061(3) (10,175), c = 14,342(4) (14,433) Å, β = 122,08(3) (121,73)° und V = 1201,1 (1234,9) Å3, Z - 4. Im Kristall sind individuelle Moleküle über fast lineare S—H…S-Wasserstoffbrückenbindungen zu schraubenförmig gewundenen Ketten verknüpft. Bei 140 K beträgt der S…S-Abstand innerhalb der Brücke 3,790(1) Å; die weiteren geometrischen Daten der Wasserstoffbrücke sind: d(S—H): 1,25(2), d(S…H): 2,56(2), d(P—S): 2,077(1), d(P=S): 1,954(1) Å, ∢ (S—H…S): 169,5(14), ∢ (P—S…S): 98,87(2), ∢ (P=S…S): 96,65(2)°.Investigations on Compounds Containing S—H…S Hydrogen Bonds. Crystal Structure of Diphenyldithiophosphinic Acid at 140 and 293 KThe crystal structure of diphenyldithiophosphinic acid (C6H5)2P(S)SH was determined from X-ray diffraction data collected at 140 and 293 K and was refined to R factors of 0.037 (140 K, (sin Θ)/λ 〈 0.81 Å-1) and 0.035 (293 K, (sin Θ)/λ 〈 0.64 Å-1) respectively. The compound crystallizes in the monoclinic space group P21/c with unit cell parameters at 140 K (in parentheses: at 293 K): a = 9.824(3) (9.887), b = 10.061(3) (10.175), c = 14.342(4) (14.433) Å, β = 122.08(3) (121.73)° and V = 1201.1 (1234.9) Å3, Z = 4. In the crystalline state individual molecules are linked together by nearly linear S—H…S hydrogen bonds so that endless helical chains are formed. At 140 K the S…S distance within the hydrogen bond is 3.790(1) Å; the other distances and angles associated with the bridge are: d(S—H): 1,25(2), d(S…H): 2,56(2), d(P—S): 2,077(1), d(P=S): 1.954(1) Å, ∢ (S—H…S): 169.5(14), ∢ (P—S…S): 98.87(2), ∢ (P—S…S): 96.65(2)°.
Additional Material:
3 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/zaac.19814750417
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