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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP2/cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/cc-pCVTZ
 hartrees
Energy at 0K-438.123384
Energy at 298.15K-438.127275
HF Energy-437.758656
Nuclear repulsion energy56.546333
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 MP2/cc-pCVTZ
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' 3197 3047 4.67      
2 A' 3097 2952 19.78      
3 A' 2779 2649 1.18      
4 A' 1507 1436 6.78      
5 A' 1369 1305 5.71      
6 A' 1106 1055 11.21      
7 A' 812 774 0.40      
8 A' 739 704 1.42      
9 A" 3200 3051 5.18      
10 A" 1493 1423 4.26      
11 A" 986 940 4.42      
12 A" 246 235 13.32      

Unscaled Zero Point Vibrational Energy (zpe) 10265.3 cm-1
Scaled (by 0.9532) Zero Point Vibrational Energy (zpe) 9784.9 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 MP2/cc-pCVTZ
ABC
3.47056 0.43438 0.41658

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pCVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 1.148 0.000
S2 -0.047 -0.663 0.000
H3 1.276 -0.818 0.000
H4 -1.091 1.451 0.000
H5 0.429 1.544 0.891
H6 0.429 1.544 -0.891

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81072.36991.08661.08521.0852
S21.81071.33302.35732.42712.4271
H32.36991.33303.27902.66262.6626
H41.08662.35733.27901.76431.7643
H51.08522.42712.66261.76431.7817
H61.08522.42712.66261.76431.7817

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 106.200
S2 C1 H5 111.409 S2 C1 H6 111.409
H4 C1 H5 108.657 H4 C1 H6 108.657
H5 C1 H6 110.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability