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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: QCISD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-438.161538
Energy at 298.15K-438.165406
HF Energy-437.757617
Nuclear repulsion energy56.286354
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3164 3045 6.33      
2 A' 3075 2959 21.99      
3 A' 2725 2623 2.99      
4 A' 1516 1459 6.46      
5 A' 1383 1331 6.12      
6 A' 1114 1072 9.75      
7 A' 810 779 0.42      
8 A' 730 703 1.50      
9 A" 3166 3047 5.88      
10 A" 1502 1445 3.98      
11 A" 992 955 3.32      
12 A" 233 224 10.39      

Unscaled Zero Point Vibrational Energy (zpe) 10205.0 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 9821.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD/aug-cc-pVTZ
ABC
3.44533 0.42997 0.41231

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.154 0.000
S2 -0.048 -0.665 0.000
H3 1.283 -0.821 0.000
H4 -1.093 1.456 0.000
H5 0.433 1.545 0.893
H6 0.433 1.545 -0.893

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81912.38151.08811.08731.0873
S21.81911.34012.36492.43252.4325
H32.38151.34013.29122.66842.6684
H41.08812.36493.29121.77071.7707
H51.08732.43252.66841.77071.7857
H61.08732.43252.66841.77071.7857

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.674 S2 C1 H4 106.123
S2 C1 H5 111.122 S2 C1 H6 111.122
H4 C1 H5 108.970 H4 C1 H6 108.970
H5 C1 H6 110.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability