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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: BLYP/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 BLYP/Def2TZVPP
 hartrees
Energy at 0K-836.900241
Energy at 298.15K 
HF Energy-836.900241
Nuclear repulsion energy139.616170
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/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 201 201 5.36 11.09 0.61 0.76
2 A 277 277 7.76 6.67 0.49 0.66
3 A 590 590 1.89 11.49 0.14 0.24
4 A 870 870 2.96 7.01 0.17 0.28
5 A 1167 1167 0.87 7.49 0.59 0.74
6 A 1412 1412 0.99 13.86 0.71 0.83
7 A 2585 2585 0.88 143.41 0.10 0.18
8 A 3002 3002 8.84 113.74 0.07 0.13
9 B 241 241 35.05 1.69 0.75 0.86
10 B 662 662 37.65 3.33 0.75 0.86
11 B 689 689 5.21 3.68 0.75 0.86
12 B 975 975 14.87 3.15 0.75 0.86
13 B 1217 1217 27.99 0.60 0.75 0.86
14 B 2584 2584 3.13 70.47 0.75 0.86
15 B 3056 3056 2.01 64.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9763.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9763.7 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 BLYP/Def2TZVPP
ABC
0.88998 0.10119 0.09514

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.774
S2 0.000 1.575 -0.180
S3 0.000 -1.575 -0.180
H4 0.884 -0.058 1.415
H5 -0.884 0.058 1.415
H6 1.147 1.344 -0.858
H7 -1.147 -1.344 -0.858

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.84191.84191.09341.09342.40562.4056
S21.84193.15092.44802.37251.35243.2094
S31.84193.15092.37252.44803.20941.3524
H41.09342.44802.37251.77252.68303.3086
H51.09342.37252.44801.77253.30862.6830
H62.40561.35243.20942.68303.30863.5346
H72.40563.20941.35243.30862.68303.5346

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.512 C1 S3 H7 96.512
S2 C1 S3 117.589 S2 C1 H4 110.404
S2 C1 H5 104.970 S3 C1 H4 104.970
S3 C1 H5 110.404 H4 C1 H5 108.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.160      
2 S -0.159      
3 S -0.159      
4 H 0.138      
5 H 0.138      
6 H 0.101      
7 H 0.101      


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 0.479 0.479
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.900 1.437 0.000
y 1.437 -38.569 0.000
z 0.000 0.000 -33.041
Traceless
 xyz
x 3.905 1.437 0.000
y 1.437 -6.098 0.000
z 0.000 0.000 2.193
Polar
3z2-r24.386
x2-y26.669
xy1.437
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.442 0.227 0.000
y 0.227 10.149 0.000
z 0.000 0.000 6.704


<r2> (average value of r2) Å2
<r2> 118.901
(<r2>)1/2 10.904