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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP3/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 MP3/cc-pCVTZ
 hartrees
Energy at 0K-438.155650
Energy at 298.15K-438.159535
HF Energy-437.758682
Nuclear repulsion energy56.445890
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 MP3/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' 3195 3195 6.15      
2 A' 3105 3105 20.37      
3 A' 2759 2759 2.80      
4 A' 1512 1512 6.55      
5 A' 1379 1379 5.75      
6 A' 1114 1114 11.04      
7 A' 811 811 0.44      
8 A' 735 735 1.40      
9 A" 3199 3199 6.89      
10 A" 1499 1499 4.18      
11 A" 989 989 3.98      
12 A" 241 241 12.68      

Unscaled Zero Point Vibrational Energy (zpe) 10269.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10269.6 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 MP3/cc-pCVTZ
ABC
3.46988 0.43225 0.41458

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pCVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.151 0.000
S2 -0.048 -0.664 0.000
H3 1.277 -0.824 0.000
H4 -1.090 1.455 0.000
H5 0.430 1.545 0.890
H6 0.430 1.545 -0.890

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81582.37811.08591.08461.0846
S21.81581.33432.36232.42952.4295
H32.37811.33433.28602.66842.6684
H41.08592.36233.28601.76431.7643
H51.08462.42952.66841.76431.7809
H61.08462.42952.66841.76431.7809

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.853 S2 C1 H4 106.260
S2 C1 H5 111.280 S2 C1 H6 111.280
H4 C1 H5 108.751 H4 C1 H6 108.751
H5 C1 H6 110.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability