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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CCSD(T)=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CCSD(T)=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-836.238783
Energy at 298.15K 
HF Energy-835.289940
Nuclear repulsion energy142.235782
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 CCSD(T)=FULL/6-311+G(3df,2p)
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 3090 3090        
2 A 2696 2696        
3 A 1470 1470        
4 A 1214 1214        
5 A 918 918        
6 A 651 651        
7 A 296 296        
8 A 220 220        
9 B 3145 3145        
10 B 2696 2696        
11 B 1271 1271        
12 B 1015 1015        
13 B 786 786        
14 B 719 719        
15 B 238 238        

Unscaled Zero Point Vibrational Energy (zpe) 10212.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10212.8 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 CCSD(T)=FULL/6-311+G(3df,2p)
ABC
0.88958 0.10666 0.09968

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.780
S2 0.000 1.536 -0.179
S3 0.000 -1.536 -0.179
H4 0.879 -0.054 1.419
H5 -0.879 0.054 1.419
H6 1.099 1.257 -0.892
H7 -1.099 -1.257 -0.892

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81091.81091.08831.08832.36312.3631
S21.81093.07202.41972.35041.33973.0849
S31.81093.07202.35042.41973.08491.3397
H41.08832.41972.35041.76202.66603.2717
H51.08832.35042.41971.76203.27172.6660
H62.36311.33973.08492.66603.27173.3395
H72.36313.08491.33973.27172.66603.3395

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.034 C1 S3 H7 96.034
S2 C1 S3 116.033 S2 C1 H4 110.662
S2 C1 H5 105.611 S3 C1 H4 105.611
S3 C1 H5 110.662 H4 C1 H5 108.095
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability