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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-438.220801
Energy at 298.15K-438.224681
HF Energy-437.756586
Nuclear repulsion energy56.361358
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/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' 3154 3022        
2 A' 3084 2954        
3 A' 2712 2598        
4 A' 1509 1446        
5 A' 1371 1313        
6 A' 1104 1058        
7 A' 804 770        
8 A' 725 694        
9 A" 3157 3025        
10 A" 1496 1433        
11 A" 980 939        
12 A" 248 238        

Unscaled Zero Point Vibrational Energy (zpe) 10171.5 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 9744.3 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/cc-pVTZ
ABC
3.46210 0.43076 0.41310

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.154 0.000
S2 -0.048 -0.666 0.000
H3 1.281 -0.820 0.000
H4 -1.090 1.455 0.000
H5 0.430 1.547 0.890
H6 0.430 1.547 -0.890

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81982.37931.08531.08411.0841
S21.81981.33782.36332.43242.4324
H32.37931.33783.28612.66782.6678
H41.08532.36333.28611.76421.7642
H51.08412.43242.66781.76421.7809
H61.08412.43242.66781.76421.7809

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.601 S2 C1 H4 106.101
S2 C1 H5 111.241 S2 C1 H6 111.241
H4 C1 H5 108.830 H4 C1 H6 108.830
H5 C1 H6 110.450
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability