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

using model chemistry: QCISD/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 QCISD/3-21G
 hartrees
Energy at 0K-831.327792
Energy at 298.15K 
HF Energy-831.079941
Nuclear repulsion energy137.707750
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 QCISD/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 3179 3081 4.98      
2 A 3157 3060 2.79      
3 A 3066 2972 10.04      
4 A 2347 2275 32.01      
5 A 1547 1499 10.18      
6 A 1533 1486 10.88      
7 A 1397 1354 7.48      
8 A 995 965 7.40      
9 A 989 959 3.51      
10 A 778 754 2.23      
11 A 613 594 1.71      
12 A 397 384 0.20      
13 A 228 221 25.67      
14 A 200 193 0.47      
15 A 141 137 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 10282.9 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 9966.2 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 QCISD/3-21G
ABC
0.46493 0.12502 0.10271

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.686 0.821 0.000
S2 -0.606 -0.771 0.007
S3 1.488 0.239 -0.087
H4 1.666 0.324 1.284
H5 -1.445 1.406 -0.890
H6 -2.722 0.467 -0.034
H7 -1.500 1.389 0.915

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.92373.22793.62311.09211.09591.0925
S21.92372.32642.82652.49962.45222.5078
S33.22792.32641.38513.25774.21683.3551
H43.62312.82651.38513.94674.58383.3604
H51.09212.49963.25773.94671.80121.8062
H61.09592.45224.21684.58381.80121.8010
H71.09252.50783.35513.36041.80621.8010

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 98.395 S2 C1 H5 108.806
S2 C1 H6 105.287 S2 C1 H7 109.380
S2 S3 H4 95.866 H5 C1 H6 110.824
H5 C1 H7 111.550 H6 C1 H7 110.777
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability