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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B2PLYP=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-438.521230
Energy at 298.15K-438.525103
HF Energy-438.402228
Nuclear repulsion energy56.284707
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 B2PLYP=FULL/6-31G(2df,p)
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' 3191 3191 5.06 57.22 0.75 0.86
2 A' 3096 3096 19.44 101.43 0.00 0.00
3 A' 2734 2734 3.35 111.96 0.34 0.51
4 A' 1510 1510 6.60 12.68 0.75 0.86
5 A' 1376 1376 9.21 1.67 0.55 0.71
6 A' 1111 1111 14.05 9.69 0.73 0.84
7 A' 807 807 0.49 6.77 0.43 0.60
8 A' 723 723 2.36 12.28 0.23 0.37
9 A" 3192 3192 5.98 62.44 0.75 0.86
10 A" 1498 1498 3.72 13.56 0.75 0.86
11 A" 985 985 4.79 3.65 0.75 0.86
12 A" 246 246 14.62 1.83 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10233.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10233.7 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 B2PLYP=FULL/6-31G(2df,p)
ABC
3.44777 0.42996 0.41236

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

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 1.282 -0.829 0.000
H4 -1.094 1.457 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
C11.82042.38831.08891.08791.0879
S21.82041.33972.36692.43672.4367
H32.38831.33973.29742.68032.6803
H41.08892.36693.29741.76951.7695
H51.08792.43672.68031.76951.7863
H61.08792.43672.68031.76951.7863

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.009 S2 C1 H4 106.145
S2 C1 H5 111.324 S2 C1 H6 111.324
H4 C1 H5 108.762 H4 C1 H6 108.762
H5 C1 H6 110.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability