return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-836.599728
Energy at 298.15K 
HF Energy-836.599728
Nuclear repulsion energy141.223257
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 HSEh1PBE/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 225 217 5.52 16.21 0.67 0.80
2 A 301 290 14.65 12.13 0.65 0.79
3 A 644 619 2.83 10.81 0.15 0.26
4 A 897 862 3.85 8.57 0.46 0.63
5 A 1188 1142 0.62 14.75 0.66 0.80
6 A 1424 1370 1.56 13.22 0.75 0.86
7 A 2699 2596 0.64 143.83 0.11 0.20
8 A 3096 2978 8.04 115.38 0.07 0.14
9 B 260 251 44.88 3.14 0.75 0.86
10 B 706 679 1.45 1.60 0.75 0.86
11 B 771 741 31.17 6.65 0.75 0.86
12 B 994 957 17.07 4.76 0.75 0.86
13 B 1241 1194 26.06 1.63 0.75 0.86
14 B 2699 2596 1.32 88.39 0.75 0.86
15 B 3164 3043 1.02 75.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10154.2 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 9767.3 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 HSEh1PBE/cc-pVDZ
ABC
0.88823 0.10479 0.09815

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.775
S2 0.000 1.549 -0.178
S3 0.000 -1.549 -0.178
H4 0.886 -0.059 1.423
H5 -0.886 0.059 1.423
H6 1.117 1.278 -0.896
H7 -1.117 -1.278 -0.896

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81911.81911.09931.09932.38212.3821
S21.81913.09852.43622.36011.35563.1233
S31.81913.09852.36012.43623.12331.3556
H41.09932.43622.36011.77662.68653.2982
H51.09932.36012.43621.77663.29822.6865
H62.38211.35563.12332.68653.29823.3945
H72.38213.12331.35563.29822.68653.3945

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.142 C1 S3 H7 96.142
S2 C1 S3 116.780 S2 C1 H4 110.754
S2 C1 H5 105.255 S3 C1 H4 105.255
S3 C1 H5 110.754 H4 C1 H5 107.822
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.263      
2 S -0.089      
3 S -0.089      
4 H 0.117      
5 H 0.117      
6 H 0.103      
7 H 0.103      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.336 0.336
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.413 1.692 0.000
y 1.692 -38.315 0.000
z 0.000 0.000 -32.007
Traceless
 xyz
x 3.748 1.692 0.000
y 1.692 -6.606 0.000
z 0.000 0.000 2.857
Polar
3z2-r25.715
x2-y26.903
xy1.692
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.338 0.092 0.000
y 0.092 8.125 0.000
z 0.000 0.000 5.489


<r2> (average value of r2) Å2
<r2> 115.603
(<r2>)1/2 10.752