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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP3/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 MP3/cc-pV(T+d)Z
 hartrees
Energy at 0K-438.154636
Energy at 298.15K-438.158516
HF Energy-437.758773
Nuclear repulsion energy56.443771
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-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' 3195 3195 6.17      
2 A' 3105 3105 20.40      
3 A' 2757 2757 2.74      
4 A' 1512 1512 6.54      
5 A' 1379 1379 5.72      
6 A' 1114 1114 11.08      
7 A' 811 811 0.44      
8 A' 735 735 1.40      
9 A" 3199 3199 6.97      
10 A" 1499 1499 4.17      
11 A" 989 989 4.07      
12 A" 241 241 12.73      

Unscaled Zero Point Vibrational Energy (zpe) 10268.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10268.5 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 MP3/cc-pV(T+d)Z
ABC
3.47043 0.43217 0.41452

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pV(T+d)Z

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 -0.823 0.000
H4 -1.090 1.456 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
C11.81602.37771.08591.08461.0846
S21.81601.33402.36252.42982.4298
H32.37771.33403.28562.66812.6681
H41.08592.36253.28561.76421.7642
H51.08462.42982.66811.76421.7809
H61.08462.42982.66811.76421.7809

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.831 S2 C1 H4 106.260
S2 C1 H5 111.283 S2 C1 H6 111.283
H4 C1 H5 108.746 H4 C1 H6 108.746
H5 C1 H6 110.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability