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

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-831.640789
Energy at 298.15K 
HF Energy-831.304846
Nuclear repulsion energy149.070449
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 CISD/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 3211 3000 6.26      
2 A 3193 2984 4.98      
3 A 3116 2912 14.35      
4 A 2761 2580 12.48      
5 A 1592 1488 10.37      
6 A 1576 1473 11.47      
7 A 1475 1378 0.95      
8 A 1063 994 12.12      
9 A 1058 988 4.08      
10 A 964 901 8.89      
11 A 715 668 0.91      
12 A 528 494 0.59      
13 A 332 311 21.13      
14 A 257 240 0.07      
15 A 177 165 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 11010.0 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 10287.7 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 CISD/3-21G*
ABC
0.55192 0.14723 0.12176

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.642 0.689 -0.006
S2 -0.470 -0.713 0.016
S3 1.344 0.247 -0.087
H4 1.546 0.467 1.219
H5 -1.479 1.306 -0.889
H6 -2.645 0.257 -0.044
H7 -1.542 1.293 0.895

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82643.01873.42191.08931.09271.0898
S21.82642.05462.62732.43142.38162.4380
S33.01872.05461.34003.11983.98863.2231
H43.42192.62731.34003.78144.38163.2131
H51.08932.43143.11983.78141.78141.7855
H61.09272.38163.98864.38161.78141.7802
H71.08982.43803.22313.21311.78551.7802

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 101.962 S2 C1 H5 110.441
S2 C1 H6 106.630 S2 C1 H7 110.907
S2 S3 H4 99.255 H5 C1 H6 109.446
H5 C1 H7 110.043 H6 C1 H7 109.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability