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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: PBE1PBE/6-31G

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/6-31G
 hartrees
Energy at 0K-836.447085
Energy at 298.15K 
HF Energy-836.447085
Nuclear repulsion energy138.037689
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/6-31G
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 232 222 11.86 20.19 0.63 0.77
2 A 291 278 31.02 13.26 0.66 0.79
3 A 619 591 6.08 20.42 0.20 0.33
4 A 880 841 6.40 17.64 0.60 0.75
5 A 1227 1173 1.48 26.45 0.70 0.82
6 A 1492 1426 5.67 19.49 0.75 0.86
7 A 2548 2436 10.14 150.81 0.18 0.30
8 A 3159 3020 4.99 96.77 0.10 0.18
9 B 234 224 65.27 3.54 0.75 0.86
10 B 723 691 20.76 0.14 0.75 0.86
11 B 730 698 27.33 16.20 0.75 0.86
12 B 1005 961 31.99 10.15 0.75 0.86
13 B 1297 1240 19.48 3.43 0.75 0.86
14 B 2548 2436 39.27 120.61 0.75 0.86
15 B 3239 3096 0.09 66.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10112.4 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 9666.4 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/6-31G
ABC
0.84880 0.09966 0.09337

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.803
S2 0.000 1.588 -0.185
S3 0.000 -1.588 -0.185
H4 0.886 -0.055 1.435
H5 -0.886 0.055 1.435
H6 1.161 1.344 -0.880
H7 -1.161 -1.344 -0.880

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.87011.87011.08931.08932.44652.4465
S21.87013.17572.47102.39961.37483.2285
S31.87013.17572.39962.47103.22851.3748
H41.08932.47102.39961.77472.71843.3477
H51.08932.39962.47101.77473.34772.7184
H62.44651.37483.22852.71843.34773.5509
H72.44653.22851.37483.34772.71843.5509

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.678 C1 S3 H7 96.678
S2 C1 S3 116.219 S2 C1 H4 110.431
S2 C1 H5 105.291 S3 C1 H4 105.291
S3 C1 H5 110.431 H4 C1 H5 109.103
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.785      
2 S 0.048      
3 S 0.048      
4 H 0.256      
5 H 0.256      
6 H 0.088      
7 H 0.088      


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 0.458 0.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.821 3.048 0.000
y 3.048 -41.026 0.000
z 0.000 0.000 -32.600
Traceless
 xyz
x 4.992 3.048 0.000
y 3.048 -8.815 0.000
z 0.000 0.000 3.823
Polar
3z2-r27.646
x2-y29.205
xy3.048
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.264 0.104 0.000
y 0.104 8.049 0.000
z 0.000 0.000 5.172


<r2> (average value of r2) Å2
<r2> 121.142
(<r2>)1/2 11.006