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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD(T)=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-438.127377
Energy at 298.15K-438.131256
HF Energy-437.741220
Nuclear repulsion energy55.987295
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 CCSD(T)=FULL/TZVP
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' 3173 3033        
2 A' 3076 2941        
3 A' 2714 2595        
4 A' 1494 1428        
5 A' 1403 1341        
6 A' 1109 1061        
7 A' 805 770        
8 A' 719 687        
9 A" 3169 3030        
10 A" 1470 1405        
11 A" 990 947        
12 A" 249 238        

Unscaled Zero Point Vibrational Energy (zpe) 10185.2 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 9737.0 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 CCSD(T)=FULL/TZVP
ABC
3.43683 0.42411 0.40677

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.163 0.000
S2 -0.048 -0.672 0.000
H3 1.288 -0.818 0.000
H4 -1.093 1.469 0.000
H5 0.432 1.559 0.892
H6 0.432 1.559 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83452.38871.08891.08841.0884
S21.83451.34362.38212.45062.4506
H32.38871.34363.30092.67912.6791
H41.08892.38213.30091.76971.7697
H51.08842.45062.67911.76971.7848
H61.08842.45062.67911.76971.7848

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.231 S2 C1 H4 106.330
S2 C1 H5 111.371 S2 C1 H6 111.371
H4 C1 H5 108.737 H4 C1 H6 108.737
H5 C1 H6 110.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability