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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: HSEh1PBE/daug-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/daug-cc-pVDZ
 hartrees
Energy at 0K-836.609521
Energy at 298.15K 
HF Energy-836.609521
Nuclear repulsion energy141.291462
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/daug-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 218 218 3.97 5.12 0.38 0.55
2 A 295 295 8.68 1.01 0.18 0.30
3 A 645 645 2.95 14.13 0.14 0.25
4 A 892 892 3.95 10.11 0.08 0.15
5 A 1187 1187 0.39 3.71 0.72 0.84
6 A 1415 1415 1.50 9.18 0.64 0.78
7 A 2697 2697 0.00 154.42 0.06 0.11
8 A 3096 3096 6.19 112.02 0.06 0.12
9 B 242 242 35.70 0.16 0.75 0.86
10 B 702 702 1.21 0.72 0.75 0.86
11 B 769 769 29.95 4.79 0.75 0.86
12 B 991 991 14.39 1.13 0.75 0.86
13 B 1234 1234 25.30 0.10 0.75 0.86
14 B 2696 2696 0.17 53.57 0.75 0.86
15 B 3162 3162 1.86 60.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10119.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10119.6 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/daug-cc-pVDZ
ABC
0.88328 0.10508 0.09836

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.780
S2 0.000 1.547 -0.179
S3 0.000 -1.547 -0.179
H4 0.885 -0.055 1.423
H5 -0.885 0.055 1.423
H6 1.121 1.281 -0.892
H7 -1.121 -1.281 -0.892

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81991.81991.09621.09622.38532.3853
S21.81993.09362.43302.36191.35463.1240
S31.81993.09362.36192.43303.12401.3546
H41.09622.43302.36191.77432.68313.2997
H51.09622.36192.43301.77433.29972.6831
H62.38531.35463.12402.68313.29973.4044
H72.38533.12401.35463.29972.68313.4044

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.319 C1 S3 H7 96.319
S2 C1 S3 116.408 S2 C1 H4 110.623
S2 C1 H5 105.473 S3 C1 H4 105.473
S3 C1 H5 110.623 H4 C1 H5 108.054
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.212      
2 S 0.094      
3 S 0.094      
4 H -0.330      
5 H -0.330      
6 H 0.131      
7 H 0.131      


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 0.474 0.474
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.982 1.337 0.000
y 1.337 -38.951 0.000
z 0.000 0.000 -32.692
Traceless
 xyz
x 3.839 1.337 0.000
y 1.337 -6.614 0.000
z 0.000 0.000 2.774
Polar
3z2-r25.549
x2-y26.969
xy1.337
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.453 0.387 0.000
y 0.387 10.765 0.000
z 0.000 0.000 7.930


<r2> (average value of r2) Å2
<r2> 115.826
(<r2>)1/2 10.762