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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP4/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-438.077276
Energy at 298.15K-438.081104
HF Energy-437.729589
Nuclear repulsion energy55.606049
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 MP4/6-31G*
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' 3181 3108        
2 A' 3085 3013        
3 A' 2720 2658        
4 A' 1534 1499        
5 A' 1429 1396        
6 A' 1136 1110        
7 A' 824 805        
8 A' 739 722        
9 A" 3178 3104        
10 A" 1521 1486        
11 A" 1017 994        
12 A" 256 250        

Unscaled Zero Point Vibrational Energy (zpe) 10310.7 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 10072.5 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 MP4/aug-cc-pVDZ
ABC
3.35920 0.41966 0.40248

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.169 0.000
S2 -0.048 -0.675 0.000
H3 1.297 -0.828 0.000
H4 -1.108 1.475 0.000
H5 0.438 1.566 0.905
H6 0.438 1.566 -0.905

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.84372.40841.10241.10131.1013
S21.84371.35462.39632.46452.4645
H32.40841.35463.32992.69962.6996
H41.10242.39633.32991.79321.7932
H51.10132.46452.69961.79321.8104
H61.10132.46452.69961.79321.8104

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.508 S2 C1 H4 106.108
S2 C1 H5 111.095 S2 C1 H6 111.095
H4 C1 H5 108.923 H4 C1 H6 108.923
H5 C1 H6 110.554
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability