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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD(T)/cc-pV(T+d)Z

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)/cc-pV(T+d)Z
 hartrees
Energy at 0K-438.171786
Energy at 298.15K-438.175646
HF Energy-437.758586
Nuclear repulsion energy56.279934
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)/cc-pV(T+d)Z
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' 3150 3040        
2 A' 3061 2953        
3 A' 2713 2618        
4 A' 1496 1444        
5 A' 1362 1314        
6 A' 1100 1061        
7 A' 800 772        
8 A' 720 695        
9 A" 3152 3042        
10 A" 1483 1431        
11 A" 976 942        
12 A" 238 230        

Unscaled Zero Point Vibrational Energy (zpe) 10124.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9770.1 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)/cc-pV(T+d)Z
ABC
3.44743 0.42975 0.41217

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.155 0.000
S2 -0.048 -0.667 0.000
H3 1.281 -0.821 0.000
H4 -1.094 1.458 0.000
H5 0.431 1.550 0.893
H6 0.431 1.550 -0.893

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82122.38101.08921.08801.0880
S21.82121.33812.36812.43742.4374
H32.38101.33813.29162.67252.6725
H41.08922.36813.29161.76991.7699
H51.08802.43742.67251.76991.7866
H61.08802.43742.67251.76991.7866

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.621 S2 C1 H4 106.169
S2 C1 H5 111.311 S2 C1 H6 111.311
H4 C1 H5 108.763 H4 C1 H6 108.763
H5 C1 H6 110.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability