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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: BLYP/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/daug-cc-pVTZ
 hartrees
Energy at 0K-836.908701
Energy at 298.15K 
HF Energy-836.908701
Nuclear repulsion energy139.188218
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 BLYP/daug-cc-pVTZ
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 200 200 4.73 6.99 0.38 0.55
2 A 273 273 6.26 1.60 0.15 0.26
3 A 588 588 1.80 16.55 0.14 0.25
4 A 863 863 2.93 11.36 0.08 0.15
5 A 1164 1164 0.73 3.60 0.73 0.85
6 A 1409 1409 0.80 11.05 0.57 0.73
7 A 2580 2580 0.26 160.53 0.08 0.14
8 A 3009 3009 6.12 110.15 0.07 0.13
9 B 237 237 31.19 0.34 0.75 0.86
10 B 657 657 44.83 3.05 0.75 0.86
11 B 686 686 3.87 2.39 0.75 0.86
12 B 972 972 14.00 1.33 0.75 0.86
13 B 1213 1213 30.13 0.14 0.75 0.86
14 B 2579 2579 1.62 53.27 0.75 0.86
15 B 3060 3060 1.67 60.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9744.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9744.2 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 BLYP/daug-cc-pVTZ
ABC
0.88496 0.10048 0.09453

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.777
S2 0.000 1.580 -0.181
S3 0.000 -1.580 -0.181
H4 0.885 -0.056 1.415
H5 -0.885 0.056 1.415
H6 1.162 1.361 -0.843
H7 -1.162 -1.361 -0.843

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.84851.84851.09221.09222.41452.4145
S21.84853.16092.45132.37801.35553.2314
S31.84853.16092.37802.45133.23141.3555
H41.09222.45132.37801.77402.68013.3157
H51.09222.37802.45131.77403.31572.6801
H62.41451.35553.23142.68013.31573.5798
H72.41453.23141.35553.31572.68013.5798

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.596 C1 S3 H7 96.596
S2 C1 S3 117.518 S2 C1 H4 110.272
S2 C1 H5 104.996 S3 C1 H4 104.996
S3 C1 H5 110.272 H4 C1 H5 108.608
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.275      
2 S -0.563      
3 S -0.563      
4 H 0.253      
5 H 0.253      
6 H 0.172      
7 H 0.172      


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 0.532 0.532
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.184 1.380 0.000
y 1.380 -39.083 0.000
z 0.000 0.000 -33.558
Traceless
 xyz
x 4.137 1.380 0.000
y 1.380 -6.212 0.000
z 0.000 0.000 2.075
Polar
3z2-r24.150
x2-y26.899
xy1.380
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.840 0.483 0.000
y 0.483 11.808 0.000
z 0.000 0.000 8.334


<r2> (average value of r2) Å2
<r2> 119.839
(<r2>)1/2 10.947