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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-876.259417
Energy at 298.15K-876.265585
Nuclear repulsion energy202.551799
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 mPW1PW91/6-311G**
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 3084 2951 0.00      
2 Ag 2714 2597 0.00      
3 Ag 1496 1431 0.00      
4 Ag 1346 1287 0.00      
5 Ag 1119 1070 0.00      
6 Ag 907 867 0.00      
7 Ag 749 717 0.00      
8 Ag 282 270 0.00      
9 Au 3158 3021 8.65      
10 Au 1143 1094 10.11      
11 Au 790 756 7.41      
12 Au 145 138 28.72      
13 Au 82 78 31.38      
14 Bg 3135 2999 0.00      
15 Bg 1309 1253 0.00      
16 Bg 981 938 0.00      
17 Bg 150 143 0.00      
18 Bu 3093 2959 25.97      
19 Bu 2715 2597 6.00      
20 Bu 1496 1431 5.65      
21 Bu 1260 1206 64.21      
22 Bu 900 861 3.76      
23 Bu 730 699 7.75      
24 Bu 199 191 7.87      

Unscaled Zero Point Vibrational Energy (zpe) 16490.1 cm-1
Scaled (by 0.9567) 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 mPW1PW91/6-311G**
ABC
0.84260 0.05077 0.04876

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.484 0.584 0.000
C2 -0.484 -0.584 0.000
S3 0.484 -2.138 0.000
S4 -0.484 2.138 0.000
H5 -0.570 -2.973 0.000
H6 0.570 2.973 0.000
H7 -1.115 -0.551 0.889
H8 -1.115 -0.551 -0.889
H9 1.115 0.551 0.889
H10 1.115 0.551 -0.889

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.51712.72161.83083.70992.39052.15262.15261.09031.0903
C21.51711.83082.72162.39053.70991.09031.09032.15262.1526
S32.72161.83084.38361.34535.11122.42192.42192.90072.9007
S41.83082.72164.38365.11121.34532.90072.90072.42192.4219
H53.70992.39051.34535.11126.05422.63702.63704.00554.0055
H62.39053.70995.11121.34536.05424.00554.00552.63702.6370
H72.15261.09032.42192.90072.63704.00551.77762.48663.0566
H82.15261.09032.42192.90072.63704.00551.77763.05662.4866
H91.09032.15262.90072.42194.00552.63702.48663.05661.7776
H101.09032.15262.90072.42194.00552.63703.05662.48661.7776

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 108.400 C1 C2 H7 110.217
C1 C2 H8 110.217 C1 S4 H6 96.444
C2 C1 S4 108.400 C2 C1 H9 110.217
C2 C1 H10 110.217 C2 S3 H5 96.444
S3 C2 H7 109.385 S3 C2 H8 109.385
S4 C1 H9 109.385 S4 C1 H10 109.385
H7 C2 H8 109.216 H9 C1 H10 109.216
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.425      
2 C -0.425      
3 S -0.044      
4 S -0.044      
5 H 0.090      
6 H 0.090      
7 H 0.190      
8 H 0.190      
9 H 0.190      
10 H 0.190      


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
Primitive
 xyz
x -40.351 7.371 0.000
y 7.371 -39.947 0.000
z 0.000 0.000 -43.614
Traceless
 xyz
x 1.430 7.371 0.000
y 7.371 2.035 0.000
z 0.000 0.000 -3.465
Polar
3z2-r2-6.930
x2-y2-0.403
xy7.371
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.715 -0.673 0.000
y -0.673 11.773 0.000
z 0.000 0.000 5.709


<r2> (average value of r2) Å2
<r2> 214.099
(<r2>)1/2 14.632