CHARACTERISTIC VIBRATIONAL FREQUENCIES OF OXYGEN COMPOUNDS OF PHOSPHORUS AND CHLORINE: CORRELATION OF SYMMETRIC AND ASYMMETRIC STRETCHING FREQUENCIES OF PO AND ClO BONDS

1963 ◽  
Vol 41 (1) ◽  
pp. 173-179 ◽  
Author(s):  
E. A. Robinson
Keyword(s):  
Infrared Spectra ◽  
Central Atom ◽  
Vibrational Frequencies ◽  
Linear Relationships

Linear relationships have been established between the symmetric and asymmetric stretching frequencies of PO2 and ClO2 groups that are useful in the assignment of the characteristic vibrational frequencies of these groups in the Raman and infrared spectra of phosphorus and chlorine compounds containing two or more oxygen ligands. The values of the frequencies depend, in a systematic manner, on the electronegativities of the groups attached to the central atom.

INFRARED SPECTRA OF NaF AND KF

1964 ◽  
Vol 42 (1) ◽  
pp. 43-52 ◽  
Author(s):  
R. K. Ritchie ◽  
H. Lew
Keyword(s):  
Infrared Spectra ◽  
Internuclear Distance ◽  
Molecular Beam ◽  
Rotational Constant ◽  
Vibrational Frequencies ◽  
Vibrational Constants

The vibrational constants of NaF and KF, derived from their infrared spectra, are:[Formula: see text]The vibrational frequencies of RbF and CsF, obtained by extrapolation, are:[Formula: see text]The rotational constant Be and the internuclear distance of KF, previously obtained by molecular beam methods, have been revised slightly as a consequence of the new data.

Structures, vibrational frequencies, and infrared spectra of the hexa-hydrated benzene clusters

2000 ◽  
Vol 113 (15) ◽  
pp. 6160-6168 ◽  
Author(s):  
Jin Yong Lee ◽  
Jongseob Kim ◽  
Han Myoung Lee ◽  
P. Tarakeshwar ◽  
Kwang S. Kim
Keyword(s):  
Infrared Spectra ◽  
Vibrational Frequencies

Far infrared and Raman spectra of some crystalline halomercurate(II) complexes

1966 ◽  
Vol 19 (9) ◽  
pp. 1603 ◽  
Author(s):  
GB Deacon ◽  
JHS Green ◽  
W Kynaston
Keyword(s):  
Raman Spectra ◽  
Infrared Spectra ◽  
Far Infrared ◽  
Vibrational Frequencies ◽  
Infrared And Raman Spectra

The infrared spectra (500-40 cm-1) of crystalline (Me4N)2HgCl4, Me4NHgCl3, and (Et4As)2HgI4, and the Raman spectra of the first two compounds, have been recorded. Assignments of the vibrational frequencies are made and discussed in relation to the structure of the anions.

INFRARED SPECTRA OF XANTHATE COMPOUNDS: II. ASSIGNMENT OF VIBRATIONAL FREQUENCIES

1961 ◽  
Vol 39 (4) ◽  
pp. 745-754 ◽  
Author(s):  
L. H. Little ◽  
G. W. Poling ◽  
J. Leja
Keyword(s):  
Chain Length ◽  
Infrared Spectra ◽  
Alkali Metals ◽  
Hydrocarbon Chain ◽  
Vibrational Frequencies ◽  
Vibrational Modes ◽  
Metal Atoms ◽  
Copper And Zinc ◽  
Hydrocarbon Chain Length ◽  
Stretching Vibrations

Discrepant interpretations regarding the frequency of the C=S stretching mode are reviewed and assignments of frequencies for the vibrational modes of the xanthate group, [Formula: see text] are presented.A band at 1020–1070 cm−1 is assigned to the C=S stretching mode. Bands at 1200 cm−1 and 1110–1140 cm−1 are ascribed to the stretching vibrations of the C—O—C linkage.The effects of the alkyl hydrocarbon chain length and of metal atoms (alkali metals, copper, and zinc) in displacing some of the frequencies are recorded.

IR-Spektren von Platin(II)-Komplexen mit Glycin, Glycin-und Glycylglycinethylester [1]/IR-Spectra of Platinum(ll) Complexes with Glycine, Glycine Ethyl Ester and Glycylglycine Ethyl Ester [1]

1982 ◽  
Vol 37 (8) ◽  
pp. 1034-1040 ◽  
Author(s):  
Jurij Ja. Kharitonov ◽  
Herbert Bissinger ◽  
Eberhard Ambach ◽  
Wolfgang Beck
Keyword(s):  
Ir Spectra ◽  
Ethyl Ester ◽  
Infrared Spectra ◽  
Vibrational Frequencies ◽  
Appreciable Change ◽  
Trans Influence ◽  
Lower Symmetry ◽  
Glycine Ethyl Ester ◽  
Cis And Trans

Abstract The infrared spectra (200-4000 cm-1) of trans- and cis-Pt(NX2CH2COO)2 (X = H, D), trans- and cis-PtCl2(NH2CH2COOH)2, trans-PtCl2(NH2CH2CO2Et)2, cis-PtCl2(NX2CH2CO2Et)2, cis-PtCl2(NX2CH2NXCH2CO2Et)2 (X = H, D) and cis-PtY2(NH2CH2NHCH2CO2Et)2 (Y = Br, I) including 15N derivatives have been studied. There is no appreciable change of vibrational frequencies for corresponding cis- and trans- complexes which could be attributed to the trans-influence of different ligands. Due to lower symmetry most of the absorptions of the cis-complexes are split into doublets compared with the trans-compounds.

Über den Zusammenhang zwischen Substituentenparametern und charakteristischen Gruppenfrequenzen / On the Relation between Parameters of Substituents and Characteristic Vibrational Frequencies

1975 ◽  
Vol 30 (9) ◽  
pp. 1181-1184
Author(s):  
Gerd Morawietz ◽  
Claus Bliefert
Keyword(s):  
General Formula ◽  
Vibrational Frequencies ◽  
Vibration Frequencies ◽  
Linear Relationships ◽  
Characteristic Group

The ability of simple relationships to approximate the characteristic group vibration frequencies using as parameters the mass, the Taft o* values, the Seth Paul X(R) constants, and the generalized Kagarise Xelf values has been examined for molecules of the general formula R-XY (XY = NO, OH, CN, SH, SF, SCl). It has not been possible to obtain linear relationships of sufficient generality and accuracy by applying the four parameters separately or by using parameter combinations

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