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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD=FULL/aug-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=FULL/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-438.285482
Energy at 298.15K-438.289492
HF Energy-437.759892
Nuclear repulsion energy56.609542
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/aug-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' 3163 3163 6.16      
2 A' 3100 3100 21.28      
3 A' 2740 2740 2.50      
4 A' 1527 1527 6.83      
5 A' 1389 1389 4.96      
6 A' 1122 1122 10.48      
7 A' 818 818 0.35      
8 A' 742 742 1.15      
9 A" 3169 3169 5.38      
10 A" 1512 1512 4.23      
11 A" 997 997 3.60      
12 A" 242 242 10.23      

Unscaled Zero Point Vibrational Energy (zpe) 10260.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10260.8 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/aug-cc-pV(T+d)Z
ABC
3.47362 0.43551 0.41762

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.147 0.000
S2 -0.048 -0.662 0.000
H3 1.275 -0.818 0.000
H4 -1.089 1.454 0.000
H5 0.432 1.537 0.890
H6 0.432 1.537 -0.890

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.80872.36841.08551.08391.0839
S21.80871.33232.35812.42072.4207
H32.36841.33233.27862.65532.6553
H41.08552.35813.27861.76391.7639
H51.08392.42072.65531.76391.7804
H61.08392.42072.65531.76391.7804

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.707 S2 C1 H4 106.437
S2 C1 H5 111.129 S2 C1 H6 111.129
H4 C1 H5 108.794 H4 C1 H6 108.794
H5 C1 H6 110.424
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability