Trichlorosilane

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IR Spectrum

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Coblentz Society, Inc.

Condensed Phase Spectrum

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IR spectrum
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Notice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, and hence may differ in detail from measurements on FTIR instruments or in other chemical environments. More information on the manner in which spectra in this collection were collected can be found here.

Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner Copyright (C) 1987 by the Coblentz Society
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin DOW CORNING CORP.
Source reference COBLENTZ NO. 05749
Date 1968/06/25
Name(s) trichlorosilane
State SOLUTION (5% CCl4 FOR 3800-1300, 4% CS2 FOR 1300-650, AND 5% CCl4 FOR 650-250)
MORE THAN 99.5% PURE
Instrument PERKIN-ELMER 521 (GRATING)
Instrument parameters FILTERS AT 3150, 2500, 2000, 1150, 700, 410. GRATING CHANGES: 2000, 630
Path length 0.011 CM, 0.010 CM, AND 0.010 CM
Resolution 2
Boiling point 31 C

This IR spectrum is from the Coblentz Society's evaluated infrared reference spectra collection.


Vibrational and/or electronic energy levels

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Takehiko Shimanouchi

Symmetry:   C     Symmetry Number σ = 3


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

a1 1 SiH str 2261  B 2260.9 S gas 2258 p liq.
a1 2 SiCl3 s-str 499  B 498.6 S gas 489 p liq.
a1 3 SiCl3 s-deform 254  B 253.7 M gas 250 p liq.
e 4 SiH bend 811  B 810.8 VS gas 799 dp liq.
e 5 SiCl3 d-str 600  B 600.1 VS gas 587 dp liq.
e 6 SiCl3 d-deform 176  B 175.5 M gas 179 dp liq.

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
pPolarized
dpDepolarized
B1~3 cm-1 uncertainty

References

Go To: Top, IR Spectrum, Vibrational and/or electronic energy levels, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume II, J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]


Notes

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