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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B2PLYP=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-836.635171
Energy at 298.15K 
HF Energy-836.428621
Nuclear repulsion energy141.048981
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/6-311G*
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 242 242 7.89 11.95 0.63 0.78
2 A 302 302 17.78 10.68 0.69 0.82
3 A 643 643 2.75 15.23 0.17 0.29
4 A 919 919 5.87 7.46 0.44 0.61
5 A 1247 1247 2.77 14.46 0.67 0.80
6 A 1483 1483 2.20 13.57 0.72 0.84
7 A 2658 2658 2.36 141.03 0.18 0.30
8 A 3112 3112 10.91 97.35 0.10 0.19
9 B 263 263 44.36 2.93 0.75 0.86
10 B 723 723 3.25 0.45 0.75 0.86
11 B 759 759 35.62 10.02 0.75 0.86
12 B 1035 1035 35.70 5.20 0.75 0.86
13 B 1309 1309 26.79 1.29 0.75 0.86
14 B 2658 2658 7.76 101.81 0.75 0.86
15 B 3169 3169 1.78 68.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10260.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10260.7 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/6-311G*
ABC
0.89640 0.10385 0.09751

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.771
S2 0.000 1.555 -0.180
S3 0.000 -1.555 -0.180
H4 0.876 -0.055 1.414
H5 -0.876 0.055 1.414
H6 1.142 1.316 -0.853
H7 -1.142 -1.316 -0.853

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82301.82301.08791.08792.38182.3818
S21.82303.11032.42902.35761.34673.1621
S31.82303.11032.35762.42903.16211.3467
H41.08792.42902.35761.75572.66233.2863
H51.08792.35762.42901.75573.28632.6623
H62.38181.34673.16212.66233.28633.4841
H72.38183.16211.34673.28632.66233.4841

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.267 C1 S3 H7 96.267
S2 C1 S3 117.098 S2 C1 H4 110.563
S2 C1 H5 105.375 S3 C1 H4 105.375
S3 C1 H5 110.563 H4 C1 H5 107.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability