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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 395 (1973), S. 262-272 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Vibrational Spectra and Force Constants of the Series OP(CH3)3—OP(SCH3)3 and SP(CH3)3—SP(SCH3)3The vibrational spectra (IR and RAMAN) are reported for OP(CH3)2(SCH3), OP(CH3)(SCH3)2, SP(OH3)2(SCH3) and SP(;CH3)(SCH3)2. They are assigned to the normal-vibrations. For all compounds the valence force constants are calculated by a simplified valence force field. The f P—CH3 and f P—SCH3 are nearly constant within the series. In the contrary f O = P and f S=P increase by substitution of CH3-groups by SCH3-groups. This is stipulated by the replacing of an element of the first row of eight elements of the periodic table by an element of the second row.
    Notes: Es wurden die IR- und RAMAN-Spektren der gemischten Glieder obiger Übergangsreihen neu aufgenommen und den Grundschwingungen zugeordnet. Nach einem Näherungsverfahren werden die Valenzkraftkonstanten berechnet. f P—CH3 und f P—SCH3 bleiben innerhalb der Fehlergrenze konstant, während f O=P und vor allem f S=P deutlich zunehmen. Dies wird auf den Ersatz eines Elementes der ersten Achterperiode durch ein Element der zweiten Achterperiode zurückgeführt.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
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