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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B2PLYP=FULL/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-836.582376
Energy at 298.15K 
HF Energy-836.428110
Nuclear repulsion energy140.589413
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/aug-cc-pVDZ
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 221 213 3.97 4.87 0.38 0.55
2 A 292 281 8.39 1.30 0.22 0.36
3 A 633 608 3.05 16.63 0.14 0.25
4 A 894 860 3.77 9.53 0.08 0.16
5 A 1195 1149 0.50 3.58 0.70 0.83
6 A 1430 1376 0.75 9.20 0.61 0.76
7 A 2700 2597 0.03 150.33 0.06 0.12
8 A 3102 2983 6.94 107.39 0.07 0.12
9 B 238 229 34.70 0.17 0.75 0.86
10 B 708 681 1.56 0.43 0.75 0.86
11 B 751 723 29.86 6.50 0.75 0.86
12 B 997 959 15.27 1.21 0.75 0.86
13 B 1247 1199 27.71 0.08 0.75 0.86
14 B 2699 2596 0.45 54.00 0.75 0.86
15 B 3166 3045 1.67 58.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10136.1 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 9748.9 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/aug-cc-pVDZ
ABC
0.87520 0.10387 0.09721

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.786
S2 0.000 1.556 -0.181
S3 0.000 -1.556 -0.181
H4 0.887 -0.054 1.427
H5 -0.887 0.054 1.427
H6 1.121 1.291 -0.890
H7 -1.121 -1.291 -0.890

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83191.83191.09571.09572.39422.3942
S21.83193.11192.44232.37221.35273.1410
S31.83193.11192.37222.44233.14101.3527
H41.09572.44232.37221.77712.68923.3061
H51.09572.37222.44231.77713.30612.6892
H62.39421.35273.14102.68923.30613.4202
H72.39423.14101.35273.30612.68923.4202

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.330 C1 S3 H7 96.330
S2 C1 S3 116.284 S2 C1 H4 110.539
S2 C1 H5 105.474 S3 C1 H4 105.474
S3 C1 H5 110.539 H4 C1 H5 108.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability