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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP2/aug-cc-pV(T+d)Z

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/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-438.130514
Energy at 298.15K-438.134515
HF Energy-437.759838
Nuclear repulsion energy56.524040
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/aug-cc-pV(T+d)Z
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' 3192 3192 3.94      
2 A' 3092 3092 19.05      
3 A' 2772 2772 0.50      
4 A' 1512 1512 7.21      
5 A' 1373 1373 5.10      
6 A' 1109 1109 10.50      
7 A' 813 813 0.27      
8 A' 737 737 1.34      
9 A" 3196 3196 3.13      
10 A" 1498 1498 4.28      
11 A" 991 991 4.15      
12 A" 240 240 10.82      

Unscaled Zero Point Vibrational Energy (zpe) 10262.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10262.8 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/aug-cc-pV(T+d)Z
ABC
3.46185 0.43418 0.41638

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.149 0.000
S2 -0.048 -0.663 0.000
H3 1.277 -0.819 0.000
H4 -1.092 1.451 0.000
H5 0.431 1.541 0.892
H6 0.431 1.541 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81172.37231.08721.08581.0858
S21.81171.33372.35752.42532.4253
H32.37231.33373.28102.66152.6615
H41.08722.35753.28101.76741.7674
H51.08582.42532.66151.76741.7846
H61.08582.42532.66151.76741.7846

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.738 S2 C1 H4 106.115
S2 C1 H5 111.175 S2 C1 H6 111.175
H4 C1 H5 108.847 H4 C1 H6 108.847
H5 C1 H6 110.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability