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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B2PLYP=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-436.397220
Energy at 298.15K-436.401114
HF Energy-436.320991
Nuclear repulsion energy55.964088
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/3-21G*
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' 3179 3179 6.21 58.85 0.75 0.86
2 A' 3098 3098 20.63 96.64 0.00 0.01
3 A' 2731 2731 13.63 115.99 0.37 0.55
4 A' 1576 1576 10.81 21.32 0.75 0.86
5 A' 1448 1448 3.52 4.68 0.50 0.67
6 A' 1152 1152 22.09 19.29 0.73 0.84
7 A' 837 837 1.34 7.81 0.64 0.78
8 A' 700 700 2.43 15.22 0.30 0.46
9 A" 3180 3180 9.70 63.51 0.75 0.86
10 A" 1568 1568 8.31 23.93 0.75 0.86
11 A" 1026 1026 8.39 8.50 0.75 0.86
12 A" 252 252 19.56 7.72 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10373.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10373.3 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 B2PLYP=FULL/3-21G*
ABC
3.43152 0.42381 0.40653

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.164 0.000
S2 -0.048 -0.671 0.000
H3 1.285 -0.825 0.000
H4 -1.094 1.473 0.000
H5 0.435 1.557 0.894
H6 0.435 1.557 -0.894

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83502.39401.09101.08991.0899
S21.83501.34232.38592.44942.4494
H32.39401.34233.30772.68232.6823
H41.09102.38593.30771.77371.7737
H51.08992.44942.68231.77371.7880
H61.08992.44942.68231.77371.7880

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.553 S2 C1 H4 106.464
S2 C1 H5 111.169 S2 C1 H6 111.169
H4 C1 H5 108.845 H4 C1 H6 108.845
H5 C1 H6 110.227
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability