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: CCSD=FULL/cc-pCVTZ

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=FULL/cc-pCVTZ
 hartrees
Energy at 0K-438.502368
Energy at 298.15K-438.506272
HF Energy-437.758729
Nuclear repulsion energy56.563751
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=FULL/cc-pCVTZ
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' 3171 3171 7.04      
2 A' 3102 3102 21.76      
3 A' 2746 2746 3.85      
4 A' 1524 1524 6.43      
5 A' 1390 1390 5.70      
6 A' 1121 1121 10.94      
7 A' 814 814 0.48      
8 A' 738 738 1.30      
9 A" 3176 3176 7.71      
10 A" 1511 1511 4.11      
11 A" 995 995 3.84      
12 A" 252 252 12.45      

Unscaled Zero Point Vibrational Energy (zpe) 10268.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10268.9 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=FULL/cc-pCVTZ
ABC
3.47935 0.43439 0.41654

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pCVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.148 0.000
S2 -0.048 -0.663 0.000
H3 1.277 -0.823 0.000
H4 -1.088 1.453 0.000
H5 0.430 1.541 0.888
H6 0.430 1.541 -0.888

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81112.37481.08401.08251.0825
S21.81111.33402.35742.42382.4238
H32.37481.33403.28182.66382.6638
H41.08402.35743.28181.76121.7612
H51.08252.42382.66381.76121.7769
H61.08252.42382.66381.76121.7769

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.895 S2 C1 H4 106.301
S2 C1 H5 111.281 S2 C1 H6 111.281
H4 C1 H5 108.758 H4 C1 H6 108.758
H5 C1 H6 110.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability