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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP3=FULL/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-438.114688
Energy at 298.15K-438.118584
HF Energy-437.717414
Nuclear repulsion energy56.480816
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(2df,p)
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' 3245 3245 3.30      
2 A' 3148 3148 15.09      
3 A' 2786 2786 1.90      
4 A' 1537 1537 6.82      
5 A' 1403 1403 6.38      
6 A' 1129 1129 14.41      
7 A' 821 821 0.61      
8 A' 751 751 1.93      
9 A" 3247 3247 3.93      
10 A" 1527 1527 4.22      
11 A" 1003 1003 4.97      
12 A" 246 246 14.83      

Unscaled Zero Point Vibrational Energy (zpe) 10420.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10420.4 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(2df,p)
ABC
3.47152 0.43310 0.41534

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.149 0.000
S2 -0.048 -0.664 0.000
H3 1.278 -0.825 0.000
H4 -1.089 1.457 0.000
H5 0.430 1.546 0.890
H6 0.430 1.546 -0.890

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81312.37771.08611.08511.0851
S21.81311.33512.36252.42942.4294
H32.37771.33513.28762.67002.6700
H41.08612.36253.28761.76341.7634
H51.08512.42942.67001.76341.7797
H61.08512.42942.67001.76341.7797

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.927 S2 C1 H4 106.443
S2 C1 H5 111.425 S2 C1 H6 111.425
H4 C1 H5 108.612 H4 C1 H6 108.612
H5 C1 H6 110.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability