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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: HSEh1PBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-836.610199
Energy at 298.15K 
HF Energy-836.610199
Nuclear repulsion energy141.452208
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/6-311G*
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 237 228 8.63 12.11 0.64 0.78
2 A 302 289 18.23 10.14 0.69 0.82
3 A 647 621 2.81 13.32 0.18 0.31
4 A 912 875 5.86 7.69 0.41 0.58
5 A 1237 1187 2.56 14.77 0.66 0.80
6 A 1464 1405 3.43 13.10 0.73 0.84
7 A 2658 2551 1.68 140.35 0.17 0.29
8 A 3105 2979 9.87 100.26 0.09 0.17
9 B 261 251 47.24 2.72 0.75 0.86
10 B 715 686 2.79 0.79 0.75 0.86
11 B 766 735 39.53 8.37 0.75 0.86
12 B 1025 983 35.49 5.20 0.75 0.86
13 B 1291 1239 24.93 1.86 0.75 0.86
14 B 2658 2551 5.73 101.85 0.75 0.86
15 B 3162 3034 1.49 69.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10219.7 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 9806.8 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 HSEh1PBE/6-311G*
ABC
0.90103 0.10459 0.09821

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.767
S2 0.000 1.550 -0.179
S3 0.000 -1.550 -0.179
H4 0.876 -0.056 1.413
H5 -0.876 0.056 1.413
H6 1.142 1.308 -0.857
H7 -1.142 -1.308 -0.857

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81551.81551.08981.08982.37732.3773
S21.81553.09932.42462.35161.34973.1511
S31.81553.09932.35162.42463.15111.3497
H41.08982.42462.35161.75632.66123.2847
H51.08982.35162.42461.75633.28472.6612
H62.37731.34973.15112.66123.28473.4724
H72.37733.15111.34973.28472.66123.4724

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.256 C1 S3 H7 96.256
S2 C1 S3 117.205 S2 C1 H4 110.649
S2 C1 H5 105.333 S3 C1 H4 105.333
S3 C1 H5 110.649 H4 C1 H5 107.371
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.767      
2 S -0.085      
3 S -0.085      
4 H 0.293      
5 H 0.293      
6 H 0.176      
7 H 0.176      


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 0.405 0.405
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.949 2.099 0.000
y 2.099 -40.019 0.000
z 0.000 0.000 -33.167
Traceless
 xyz
x 4.644 2.099 0.000
y 2.099 -7.460 0.000
z 0.000 0.000 2.817
Polar
3z2-r25.634
x2-y28.069
xy2.099
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.526 0.077 0.000
y 0.077 8.748 0.000
z 0.000 0.000 5.543


<r2> (average value of r2) Å2
<r2> 116.314
(<r2>)1/2 10.785