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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP2=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/TZVP
 hartrees
Energy at 0K-438.083575
Energy at 298.15K-438.087483
HF Energy-437.741388
Nuclear repulsion energy56.287452
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 MP2=FULL/TZVP
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' 3221 3069 7.32 62.40 0.75 0.86
2 A' 3115 2967 23.85 131.81 0.00 0.01
3 A' 2783 2651 6.88 135.04 0.32 0.48
4 A' 1505 1434 7.28 13.90 0.75 0.85
5 A' 1412 1346 8.89 2.56 0.50 0.67
6 A' 1119 1066 14.92 11.51 0.67 0.80
7 A' 817 779 1.71 7.54 0.37 0.54
8 A' 742 707 1.56 14.35 0.29 0.45
9 A" 3219 3067 9.29 64.23 0.75 0.86
10 A" 1480 1410 4.00 15.70 0.75 0.86
11 A" 1002 955 5.14 5.85 0.75 0.86
12 A" 258 245 18.26 5.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10336.4 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 9847.4 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 MP2=FULL/TZVP
ABC
3.46277 0.42932 0.41173

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/TZVP

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 1.282 -0.816 0.000
H4 -1.090 1.461 0.000
H5 0.430 1.552 0.890
H6 0.430 1.552 -0.890

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82232.37731.08601.08531.0853
S21.82231.33812.37002.43862.4386
H32.37731.33813.28782.66922.6692
H41.08602.37003.28781.76341.7634
H51.08532.43862.66921.76341.7794
H61.08532.43862.66921.76341.7794

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.365 S2 C1 H4 106.392
S2 C1 H5 111.477 S2 C1 H6 111.477
H4 C1 H5 108.612 H4 C1 H6 108.612
H5 C1 H6 110.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability