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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-836.951927
Energy at 298.15K 
HF Energy-836.951927
Nuclear repulsion energy140.640545
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 B97D3/aug-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 208 204 4.06 6.20 0.37 0.54
2 A 286 282 6.92 1.22 0.14 0.25
3 A 607 598 2.32 14.96 0.14 0.25
4 A 883 869 3.40 10.55 0.07 0.14
5 A 1177 1159 0.70 3.55 0.72 0.84
6 A 1419 1397 0.80 9.78 0.60 0.75
7 A 2636 2596 0.23 149.65 0.07 0.12
8 A 3029 2983 8.40 110.92 0.07 0.13
9 B 243 239 33.52 0.35 0.75 0.86
10 B 685 675 31.63 1.77 0.75 0.86
11 B 704 693 10.18 3.30 0.75 0.86
12 B 985 970 13.98 1.15 0.75 0.86
13 B 1228 1209 28.45 0.15 0.75 0.86
14 B 2636 2595 1.18 52.75 0.75 0.86
15 B 3086 3039 2.17 61.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9905.6 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 9754.1 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 B97D3/aug-cc-pVTZ
ABC
0.88682 0.10342 0.09698

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.779
S2 0.000 1.559 -0.180
S3 0.000 -1.559 -0.180
H4 0.884 -0.055 1.417
H5 -0.884 0.055 1.417
H6 1.129 1.305 -0.872
H7 -1.129 -1.305 -0.872

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83041.83041.09121.09122.38832.3883
S21.83043.11802.43662.36471.34833.1556
S31.83043.11802.36472.43663.15561.3483
H41.09122.43662.36471.77062.67393.2941
H51.09122.36472.43661.77063.29412.6739
H62.38831.34833.15562.67393.29413.4520
H72.38833.15561.34833.29412.67393.4520

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.232 C1 S3 H7 96.232
S2 C1 S3 116.804 S2 C1 H4 110.458
S2 C1 H5 105.253 S3 C1 H4 105.253
S3 C1 H5 110.458 H4 C1 H5 108.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.169      
2 S -0.175      
3 S -0.175      
4 H 0.164      
5 H 0.164      
6 H 0.095      
7 H 0.095      


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 0.507 0.507
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.885 1.267 0.000
y 1.267 -38.704 0.000
z 0.000 0.000 -32.799
Traceless
 xyz
x 3.867 1.267 0.000
y 1.267 -6.362 0.000
z 0.000 0.000 2.495
Polar
3z2-r24.990
x2-y26.819
xy1.267
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.586 0.443 0.000
y 0.443 11.306 0.000
z 0.000 0.000 8.101


<r2> (average value of r2) Å2
<r2> 117.039
(<r2>)1/2 10.818