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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-836.975711
Energy at 298.15K 
HF Energy-836.975711
Nuclear repulsion energy140.828090
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 B3LYPultrafine/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 212 205 5.62 9.91 0.64 0.78
2 A 287 277 9.13 6.72 0.53 0.69
3 A 624 603 2.41 13.39 0.12 0.21
4 A 898 868 3.47 6.09 0.25 0.40
5 A 1202 1162 0.56 7.45 0.66 0.80
6 A 1453 1405 1.24 10.92 0.72 0.84
7 A 2670 2581 0.46 137.37 0.10 0.18
8 A 3078 2975 7.63 107.23 0.07 0.13
9 B 242 234 35.81 1.74 0.75 0.86
10 B 706 683 5.37 0.12 0.75 0.86
11 B 728 704 28.34 7.06 0.75 0.86
12 B 1005 971 15.60 2.75 0.75 0.86
13 B 1257 1215 26.52 0.38 0.75 0.86
14 B 2670 2581 1.67 72.86 0.75 0.86
15 B 3132 3027 1.56 61.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10081.8 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 9746.0 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 B3LYPultrafine/cc-pVTZ
ABC
0.89383 0.10349 0.09709

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.775
S2 0.000 1.558 -0.179
S3 0.000 -1.558 -0.179
H4 0.879 -0.055 1.412
H5 -0.879 0.055 1.412
H6 1.127 1.317 -0.873
H7 -1.127 -1.317 -0.873

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82711.82711.08681.08682.39182.3918
S21.82713.11652.43032.35891.34533.1653
S31.82713.11652.35892.43033.16531.3453
H41.08682.43032.35891.76052.67733.2921
H51.08682.35892.43031.76053.29212.6773
H62.39181.34533.16532.67733.29213.4664
H72.39183.16531.34533.29212.67733.4664

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.690 C1 S3 H7 96.690
S2 C1 S3 117.051 S2 C1 H4 110.443
S2 C1 H5 105.256 S3 C1 H4 105.256
S3 C1 H5 110.443 H4 C1 H5 108.188
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.207      
2 S -0.121      
3 S -0.121      
4 H 0.131      
5 H 0.131      
6 H 0.094      
7 H 0.094      


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 0.469 0.469
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.833 1.517 0.000
y 1.517 -38.664 0.000
z 0.000 0.000 -32.690
Traceless
 xyz
x 3.844 1.517 0.000
y 1.517 -6.402 0.000
z 0.000 0.000 2.558
Polar
3z2-r25.116
x2-y26.831
xy1.517
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.212 0.186 0.000
y 0.186 9.548 0.000
z 0.000 0.000 6.454


<r2> (average value of r2) Å2
<r2> 116.887
(<r2>)1/2 10.811