Simple structural differentiation of (μ-S,O) bridged sulfito complexes by vibrational spectrometry

Krieglstein, R.; Breitinger, Dietrich K.

doi:10.1016/s0022-2860(96)09628-7

Cited by 2 publications

(3 citation statements)

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“…Further, the angles N−Pt(1)−N [81.9(4)°] and N−Pt(2)−N [84.2(5)°] deviate substantially from 90°. This is also suggested by the sequences ν s > ν as of the valence frequencies of the two PtN 2 entities in the Raman spectrum of 1 7.…”

Section: Resultssupporting

confidence: 53%

“…The special bonding mode also leads to three regions of valence vibrations ν (SO 3 ); ν as (SO 2 ) (coarsely around 1150 cm −1 ), ν s (SO 2 ) (1050 cm −1 ) and ν (SO) (ca. 900 cm −1 ); for details see ref 7. The latter vibrations are very strong in both the IR and Raman spectra of 1 and 2.…”

Section: Resultsmentioning

confidence: 86%

“…Since the angles in both PtN 2 groups are substantially smaller than 90° [81.9 and 84.2° at Pt(1) and Pt(2), respectively], the frequency sequence of their valence vibrations is always ν s (PtN 2 ) > ν as (PtN 2 ) (cf. the reasoning in ref 7…”

Section: Resultsmentioning

confidence: 92%

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Structural Investigations of Sulfite-Bridged Binuclear Complexes of Platinum(II) and Palladium(II)

Krieglstein

Breitinger

Liehr

2001

Eur. J. Inorg. Chem.

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Although analogous platinum(II) and palladium(II) compounds usually show similar chemical behaviour, different reaction products have been obtained on reaction of ethane-1,2-diamine bissulfitometallates(II) with the diaqua ethane-1,2-diamine metal(II) complexes of Pt and Pd. − The crystal structures of bis(µ-sulfito-1κS:2κO)bis[(ethane-1,2-diamine)-platinum(II)] trihydrate [(en)Pt(SO 2 O) 2 Pt(en)]·3 H 2 O (1) with parallel µ-(S:O) sulfite bridges, and of bis[(ethane-1,2-diamine)-µ-(S:O)-sulfitopalladium(II)] trihydrate [(en)Pd(SO 2 O)-(OO 2 S)Pd(en)]·3 H 2 O (2) with antiparallel bridges, have been determined by single-crystal X-ray structure analyses. In both compounds the complex units are held together mainly by a complicated network of hydrogen bonds including the hydrate water molecules. − In contrast to the complex molecules in 1 with parallel bridges, the complex units of 2 possess

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Section: Resultssupporting

confidence: 53%

Section: Resultsmentioning

confidence: 86%