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All results from a given calculation for CH3SSH (Hydrogen methyl disulfide)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-831.291625
Energy at 298.15K 
HF Energy-831.081113
Nuclear repulsion energy138.715463
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 MP2/3-21G
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 3238 3091 3.90 42.49 0.75 0.86
2 A 3216 3070 2.28 71.94 0.75 0.86
3 A 3119 2977 8.06 100.58 0.04 0.07
4 A 2451 2340 22.18 144.14 0.36 0.53
5 A 1572 1501 11.37 16.23 0.67 0.80
6 A 1558 1487 11.84 24.15 0.75 0.86
7 A 1426 1361 5.97 2.06 0.41 0.58
8 A 1013 967 8.74 7.09 0.69 0.82
9 A 1008 962 4.02 9.63 0.75 0.86
10 A 797 761 3.05 30.54 0.73 0.84
11 A 638 609 1.41 19.16 0.38 0.55
12 A 417 398 0.28 20.07 0.26 0.42
13 A 235 224 27.97 28.68 0.75 0.86
14 A 205 195 0.46 8.18 0.66 0.80
15 A 150 143 1.07 0.46 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 10521.3 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 10042.6 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 MP2/3-21G
ABC
0.47252 0.12683 0.10426

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.677 0.811 -0.001
S2 -0.597 -0.765 0.008
S3 1.477 0.237 -0.087
H4 1.648 0.342 1.274
H5 -1.441 1.399 -0.886
H6 -2.708 0.453 -0.040
H7 -1.503 1.380 0.911

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.91053.20673.59161.08851.09221.0888
S21.91052.30552.80482.48892.43742.4970
S33.20672.30551.37523.24094.19073.3434
H43.59162.80481.37523.91484.55083.3368
H51.08852.48893.24093.91481.79361.7985
H61.09222.43744.19074.55081.79361.7932
H71.08882.49703.34343.33681.79851.7932

picture of Hydrogen methyl disulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 S3 98.600 S2 C1 H5 109.082
S2 C1 H6 105.248 S2 C1 H7 109.657
S2 S3 H4 95.976 H5 C1 H6 110.668
H5 C1 H7 111.384 H6 C1 H7 110.608
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability