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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B2PLYP=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-836.669619
Energy at 298.15K 
HF Energy-836.466954
Nuclear repulsion energy141.605394
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/cc-pVTZ
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 217 208 4.69 8.86 0.65 0.79
2 A 294 281 9.71 6.40 0.56 0.72
3 A 639 611 2.71 13.38 0.12 0.21
4 A 910 869 3.80 5.65 0.26 0.42
5 A 1213 1159 0.53 7.25 0.65 0.79
6 A 1468 1404 1.05 10.54 0.72 0.84
7 A 2714 2594 0.16 131.07 0.09 0.17
8 A 3104 2967 7.41 105.75 0.07 0.13
9 B 246 235 36.27 1.43 0.75 0.86
10 B 717 685 1.46 0.48 0.75 0.86
11 B 759 725 25.64 6.86 0.75 0.86
12 B 1012 967 16.33 2.48 0.75 0.86
13 B 1268 1211 25.05 0.29 0.75 0.86
14 B 2714 2594 0.66 70.82 0.75 0.86
15 B 3155 3016 1.39 59.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10214.5 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 9763.0 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/cc-pVTZ
ABC
0.89261 0.10514 0.09843

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.778
S2 0.000 1.547 -0.179
S3 0.000 -1.547 -0.179
H4 0.877 -0.055 1.414
H5 -0.877 0.055 1.414
H6 1.107 1.283 -0.886
H7 -1.107 -1.283 -0.886

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81901.81901.08471.08472.37522.3752
S21.81903.09352.42302.35231.34003.1196
S31.81903.09352.35232.42303.11961.3400
H41.08472.42302.35231.75762.67073.2767
H51.08472.35232.42301.75763.27672.6707
H62.37521.34003.11962.67073.27673.3888
H72.37523.11961.34003.27672.67073.3888

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.329 C1 S3 H7 96.329
S2 C1 S3 116.500 S2 C1 H4 110.564
S2 C1 H5 105.404 S3 C1 H4 105.404
S3 C1 H5 110.564 H4 C1 H5 108.232
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability