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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-438.007497
Energy at 298.15K-438.011421
HF Energy-437.709837
Nuclear repulsion energy56.502975
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/6-31+G**
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' 3257 3059 6.66 60.22 0.75 0.86
2 A' 3146 2955 25.38 109.67 0.00 0.00
3 A' 2838 2666 9.97 134.37 0.32 0.49
4 A' 1530 1437 8.06 12.23 0.75 0.86
5 A' 1435 1348 8.75 1.85 0.75 0.86
6 A' 1145 1075 22.12 10.77 0.73 0.84
7 A' 836 785 2.14 7.85 0.39 0.56
8 A' 757 711 1.28 16.52 0.23 0.38
9 A" 3253 3055 6.98 69.22 0.75 0.86
10 A" 1508 1416 4.74 11.61 0.75 0.86
11 A" 1019 957 5.19 2.65 0.75 0.86
12 A" 259 243 18.97 0.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10491.1 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 9853.2 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/6-31+G**
ABC
3.48383 0.43301 0.41534

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.148 0.000
S2 -0.048 -0.664 0.000
H3 1.274 -0.816 0.000
H4 -1.088 1.459 0.000
H5 0.430 1.549 0.888
H6 0.430 1.549 -0.888

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81272.36751.08601.08551.0855
S21.81271.33012.36472.43282.4328
H32.36751.33013.27952.66392.6639
H41.08602.36473.27951.76151.7615
H51.08552.43282.66391.76151.7769
H61.08552.43282.66391.76151.7769

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.545 S2 C1 H4 106.627
S2 C1 H5 111.682 S2 C1 H6 111.682
H4 C1 H5 108.419 H4 C1 H6 108.419
H5 C1 H6 109.856
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability