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All results from a given calculation for CH2SHCH2SH (1,2-Ethanedithiol)

using model chemistry: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-876.307414
Energy at 298.15K-876.313595
HF Energy-876.307414
Nuclear repulsion energy202.036114
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/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 Ag 3055 2958 0.00      
2 Ag 2686 2600 0.00      
3 Ag 1498 1451 0.00      
4 Ag 1314 1273 0.00      
5 Ag 1093 1059 0.00      
6 Ag 881 853 0.00      
7 Ag 728 705 0.00      
8 Ag 269 261 0.00      
9 Au 3124 3025 10.28      
10 Au 1113 1078 4.32      
11 Au 773 749 2.39      
12 Au 173 167 29.17      
13 Au 87 84 13.07      
14 Bg 3100 3002 0.00      
15 Bg 1297 1256 0.00      
16 Bg 962 931 0.00      
17 Bg 173 167 0.00      
18 Bu 3064 2967 25.96      
19 Bu 2686 2601 6.81      
20 Bu 1502 1455 5.09      
21 Bu 1234 1195 44.07      
22 Bu 879 851 1.49      
23 Bu 706 683 8.45      
24 Bu 189 183 6.86      

Unscaled Zero Point Vibrational Energy (zpe) 16292.6 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 15776.1 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 TPSSh/cc-pVTZ
ABC
0.83631 0.05052 0.04852

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.488 0.585 0.000
C2 -0.488 -0.585 0.000
S3 0.488 -2.138 0.000
S4 -0.488 2.138 0.000
H5 -0.567 -2.972 0.000
H6 0.567 2.972 0.000
H7 -1.118 -0.552 0.889
H8 -1.118 -0.552 -0.889
H9 1.118 0.552 0.889
H10 1.118 0.552 -0.889

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52292.72221.83393.70942.38842.15882.15881.08991.0899
C21.52291.83392.72222.38843.70941.08991.08992.15882.1588
S32.72221.83394.38491.34455.10992.42532.42532.90182.9018
S41.83392.72224.38495.10991.34452.90182.90182.42532.4253
H53.70942.38841.34455.10996.05062.63612.63614.00564.0056
H62.38843.70945.10991.34456.05064.00564.00562.63612.6361
H72.15881.08992.42532.90182.63614.00561.77712.49393.0623
H82.15881.08992.42532.90182.63614.00561.77713.06232.4939
H91.08992.15882.90182.42534.00562.63612.49393.06231.7771
H101.08992.15882.90182.42534.00562.63613.06232.49391.7771

picture of 1,2-Ethanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 108.021 C1 C2 H7 110.335
C1 C2 H8 110.335 C1 S4 H6 96.214
C2 C1 S4 108.021 C2 C1 H9 110.335
C2 C1 H10 110.335 C2 S3 H5 96.214
S3 C2 H7 109.450 S3 C2 H8 109.450
S4 C1 H9 109.450 S4 C1 H10 109.450
H7 C2 H8 109.229 H9 C1 H10 109.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.120      
2 C -0.120      
3 S -0.164      
4 S -0.164      
5 H 0.077      
6 H 0.077      
7 H 0.103      
8 H 0.103      
9 H 0.103      
10 H 0.103      


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 0.000 0.000
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 8.320 -0.672 0.000
y -0.672 12.745 0.000
z 0.000 0.000 6.620


<r2> (average value of r2) Å2
<r2> 214.769
(<r2>)1/2 14.655