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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-836.563779
Energy at 298.15K 
HF Energy-836.563779
Nuclear repulsion energy141.291382
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 PBE1PBE/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 226 217 5.66 16.06 0.67 0.80
2 A 302 290 14.94 11.96 0.65 0.79
3 A 646 621 2.84 10.82 0.15 0.26
4 A 897 863 3.89 8.51 0.46 0.63
5 A 1188 1143 0.59 14.65 0.66 0.80
6 A 1424 1370 1.69 13.09 0.75 0.86
7 A 2705 2600 0.53 142.98 0.11 0.20
8 A 3099 2980 7.54 114.19 0.07 0.14
9 B 260 250 45.10 3.14 0.75 0.86
10 B 706 679 1.48 1.59 0.75 0.86
11 B 774 745 30.63 6.63 0.75 0.86
12 B 995 957 17.09 4.71 0.75 0.86
13 B 1241 1194 25.65 1.57 0.75 0.86
14 B 2704 2600 1.07 87.61 0.75 0.86
15 B 3167 3045 0.95 74.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10167.0 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 9775.6 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 PBE1PBE/cc-pVDZ
ABC
0.88879 0.10491 0.09826

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 1.548 -0.178
S3 0.000 -1.548 -0.178
H4 0.886 -0.059 1.423
H5 -0.886 0.059 1.423
H6 1.118 1.278 -0.895
H7 -1.118 -1.278 -0.895

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81811.81811.09931.09932.38122.3812
S21.81813.09662.43522.35951.35523.1226
S31.81813.09662.35952.43523.12261.3552
H41.09932.43522.35951.77642.68513.2975
H51.09932.35952.43521.77643.29752.6851
H62.38121.35523.12262.68513.29753.3958
H72.38123.12261.35523.29752.68513.3958

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.152 C1 S3 H7 96.152
S2 C1 S3 116.772 S2 C1 H4 110.751
S2 C1 H5 105.274 S3 C1 H4 105.274
S3 C1 H5 110.751 H4 C1 H5 107.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.267      
2 S -0.089      
3 S -0.089      
4 H 0.119      
5 H 0.119      
6 H 0.104      
7 H 0.104      


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 0.335 0.335
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.393 1.714 0.000
y 1.714 -38.342 0.000
z 0.000 0.000 -32.005
Traceless
 xyz
x 3.781 1.714 0.000
y 1.714 -6.643 0.000
z 0.000 0.000 2.863
Polar
3z2-r25.726
x2-y26.949
xy1.714
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.328 0.091 0.000
y 0.091 8.102 0.000
z 0.000 0.000 5.477


<r2> (average value of r2) Å2
<r2> 115.505
(<r2>)1/2 10.747