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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP3=FULL/6-31G**

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=FULL/6-31G**
 hartrees
Energy at 0K-438.032249
Energy at 298.15K-438.036174
HF Energy-437.708907
Nuclear repulsion energy56.455339
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=FULL/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' 3269 3269 8.84      
2 A' 3168 3168 23.25      
3 A' 2822 2822 16.79      
4 A' 1557 1557 7.00      
5 A' 1448 1448 9.09      
6 A' 1156 1156 21.58      
7 A' 840 840 1.61      
8 A' 757 757 1.25      
9 A" 3267 3267 11.31      
10 A" 1541 1541 4.21      
11 A" 1029 1029 4.84      
12 A" 257 257 16.31      

Unscaled Zero Point Vibrational Energy (zpe) 10554.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10554.4 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=FULL/6-31G**
ABC
3.48551 0.43185 0.41422

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.151 0.000
S2 -0.048 -0.665 0.000
H3 1.275 -0.815 0.000
H4 -1.086 1.462 0.000
H5 0.431 1.548 0.887
H6 0.431 1.548 -0.887

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81612.36921.08451.08401.0840
S21.81611.33102.36792.43262.4326
H32.36921.33103.28072.66182.6618
H41.08452.36793.28071.76011.7601
H51.08402.43262.66181.76011.7750
H61.08402.43262.66181.76011.7750

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.454 S2 C1 H4 106.711
S2 C1 H5 111.525 S2 C1 H6 111.525
H4 C1 H5 108.514 H4 C1 H6 108.514
H5 C1 H6 109.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability