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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: TPSSh/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-836.938133
Energy at 298.15K 
HF Energy-836.938133
Nuclear repulsion energy140.485372
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 TPSSh/aug-cc-pVDZ
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 213 206 3.12 5.70 0.37 0.54
2 A 290 280 9.43 1.01 0.22 0.37
3 A 625 604 3.30 15.66 0.14 0.25
4 A 880 851 3.58 10.30 0.08 0.15
5 A 1182 1144 0.58 3.78 0.71 0.83
6 A 1426 1379 0.56 9.29 0.64 0.78
7 A 2669 2581 0.33 148.54 0.07 0.13
8 A 3076 2976 8.57 110.28 0.07 0.13
9 B 241 233 35.90 0.19 0.75 0.86
10 B 691 669 2.42 0.45 0.75 0.86
11 B 732 708 36.48 5.68 0.75 0.86
12 B 986 954 14.58 1.26 0.75 0.86
13 B 1232 1191 31.15 0.09 0.75 0.86
14 B 2668 2580 1.64 55.55 0.75 0.86
15 B 3140 3037 2.15 61.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10023.9 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 9696.2 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 TPSSh/aug-cc-pVDZ
ABC
0.87499 0.10368 0.09709

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.785
S2 0.000 1.557 -0.181
S3 0.000 -1.557 -0.181
H4 0.888 -0.055 1.425
H5 -0.888 0.055 1.425
H6 1.131 1.296 -0.883
H7 -1.131 -1.296 -0.883

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83271.83271.09621.09622.39602.3960
S21.83273.11422.44322.37161.35603.1483
S31.83273.11422.37162.44323.14831.3560
H41.09622.44322.37161.78042.68523.3079
H51.09622.37162.44321.78043.30792.6852
H62.39601.35603.14832.68523.30793.4402
H72.39603.14831.35603.30792.68523.4402

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.276 C1 S3 H7 96.276
S2 C1 S3 116.338 S2 C1 H4 110.526
S2 C1 H5 105.359 S3 C1 H4 105.359
S3 C1 H5 110.526 H4 C1 H5 108.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.313      
2 S 0.069      
3 S 0.069      
4 H -0.063      
5 H -0.063      
6 H 0.150      
7 H 0.150      


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 0.502 0.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.283 0.380 0.000
y 0.380 10.879 0.000
z 0.000 0.000 7.791


<r2> (average value of r2) Å2
<r2> 117.020
(<r2>)1/2 10.818