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

using model chemistry: CCD/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 CCD/3-21G*
 hartrees
Energy at 0K-831.682750
Energy at 298.15K 
HF Energy-831.304348
Nuclear repulsion energy148.566328
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 CCD/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 3145 3009 7.12      
2 A 3129 2992 5.60      
3 A 3051 2919 14.15      
4 A 2685 2568 13.95      
5 A 1563 1495 9.44      
6 A 1546 1479 10.35      
7 A 1445 1382 0.99      
8 A 1042 996 10.94      
9 A 1037 992 4.26      
10 A 942 901 8.14      
11 A 697 667 0.74      
12 A 514 492 0.46      
13 A 326 312 20.30      
14 A 252 241 0.08      
15 A 173 166 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 10774.0 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 10305.3 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 CCD/3-21G*
ABC
0.54550 0.14662 0.12109

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.644 0.693 -0.006
S2 -0.472 -0.717 0.016
S3 1.346 0.248 -0.088
H4 1.548 0.465 1.227
H5 -1.480 1.312 -0.894
H6 -2.653 0.262 -0.042
H7 -1.541 1.300 0.900

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83393.02463.42951.09481.09821.0953
S21.83392.06102.63472.44152.39162.4481
S33.02462.06101.34743.12574.00003.2278
H43.42952.63471.34743.79264.39333.2165
H51.09482.44153.12573.79261.79081.7949
H61.09822.39164.00004.39331.79081.7897
H71.09532.44813.22783.21651.79491.7897

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 101.734 S2 C1 H5 110.390
S2 C1 H6 106.599 S2 C1 H7 110.854
S2 S3 H4 99.099 H5 C1 H6 109.493
H5 C1 H7 110.080 H6 C1 H7 109.352
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability