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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B3LYPultrafine/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-836.968592
Energy at 298.15K 
HF Energy-836.968592
Nuclear repulsion energy141.195071
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/Def2TZVPP
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 212 212 5.38 9.22 0.63 0.77
2 A 289 289 8.85 5.83 0.51 0.68
3 A 625 625 2.33 11.58 0.14 0.24
4 A 903 903 3.41 6.04 0.18 0.31
5 A 1205 1205 0.66 7.00 0.59 0.74
6 A 1452 1452 1.39 12.87 0.71 0.83
7 A 2676 2676 0.37 137.19 0.09 0.17
8 A 3076 3076 7.87 110.53 0.07 0.12
9 B 244 244 35.66 1.31 0.75 0.86
10 B 706 706 4.57 0.03 0.75 0.86
11 B 732 732 26.45 7.62 0.75 0.86
12 B 1008 1008 16.73 2.57 0.75 0.86
13 B 1259 1259 24.78 0.32 0.75 0.86
14 B 2675 2675 1.28 70.13 0.75 0.86
15 B 3129 3129 1.68 62.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10095.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10095.7 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/Def2TZVPP
ABC
0.89870 0.10406 0.09763

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.772
S2 0.000 1.554 -0.178
S3 0.000 -1.554 -0.178
H4 0.878 -0.056 1.411
H5 -0.878 0.056 1.411
H6 1.123 1.313 -0.874
H7 -1.123 -1.313 -0.874

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82141.82141.08741.08742.38542.3854
S21.82143.10802.42642.35421.34233.1561
S31.82143.10802.35422.42643.15611.3423
H41.08742.42642.35421.75922.67423.2866
H51.08742.35422.42641.75923.28662.6742
H62.38541.34233.15612.67423.28663.4542
H72.38543.15611.34233.28662.67423.4542

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.704 C1 S3 H7 96.704
S2 C1 S3 117.120 S2 C1 H4 110.502
S2 C1 H5 105.255 S3 C1 H4 105.255
S3 C1 H5 110.502 H4 C1 H5 107.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.163      
2 S -0.155      
3 S -0.155      
4 H 0.137      
5 H 0.137      
6 H 0.100      
7 H 0.100      


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 0.463 0.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.833 1.453 0.000
y 1.453 -38.613 0.000
z 0.000 0.000 -32.681
Traceless
 xyz
x 3.814 1.453 0.000
y 1.453 -6.356 0.000
z 0.000 0.000 2.542
Polar
3z2-r25.084
x2-y26.780
xy1.453
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.250 0.184 0.000
y 0.184 9.614 0.000
z 0.000 0.000 6.567


<r2> (average value of r2) Å2
<r2> 116.362
(<r2>)1/2 10.787