return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: QCISD(T)/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-438.177813
Energy at 298.15K-438.181658
HF Energy-437.757467
Nuclear repulsion energy56.148080
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 QCISD(T)/aug-cc-pVTZ
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' 3147 3043        
2 A' 3057 2955        
3 A' 2703 2613        
4 A' 1502 1452        
5 A' 1365 1319        
6 A' 1099 1063        
7 A' 800 773        
8 A' 716 692        
9 A" 3150 3045        
10 A" 1488 1439        
11 A" 980 947        
12 A" 228 220        

Unscaled Zero Point Vibrational Energy (zpe) 10116.4 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 9780.5 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 QCISD(T)/aug-cc-pVTZ
ABC
3.43017 0.42762 0.41007

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.159 0.000
S2 -0.048 -0.668 0.000
H3 1.285 -0.823 0.000
H4 -1.095 1.461 0.000
H5 0.434 1.549 0.895
H6 0.434 1.549 -0.895

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82722.38891.08981.08861.0886
S21.82721.34222.37252.43862.4386
H32.38891.34223.29902.67402.6740
H41.08982.37253.29901.77411.7741
H51.08862.43862.67401.77411.7897
H61.08862.43862.67401.77411.7897

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.634 S2 C1 H4 106.074
S2 C1 H5 110.967 S2 C1 H6 110.967
H4 C1 H5 109.060 H4 C1 H6 109.060
H5 C1 H6 110.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability