return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-876.246146
Energy at 298.15K-876.252187
HF Energy-876.246146
Nuclear repulsion energy201.785065
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 B97D3/6-311+G(3df,2p)
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 2996 2957 0.00      
2 Ag 2639 2605 0.00      
3 Ag 1460 1441 0.00      
4 Ag 1290 1273 0.00      
5 Ag 1073 1059 0.00      
6 Ag 863 851 0.00      
7 Ag 720 710 0.00      
8 Ag 272 268 0.00      
9 Au 3066 3026 8.03      
10 Au 1101 1087 4.66      
11 Au 763 753 2.97      
12 Au 146 144 17.91      
13 Au 73 72 17.46      
14 Bg 3041 3002 0.00      
15 Bg 1271 1254 0.00      
16 Bg 948 935 0.00      
17 Bg 145 143 0.00      
18 Bu 3005 2966 27.43      
19 Bu 2639 2605 5.53      
20 Bu 1465 1446 5.80      
21 Bu 1216 1200 41.47      
22 Bu 877 865 1.88      
23 Bu 683 674 7.39      
24 Bu 197 194 5.95      

Unscaled Zero Point Vibrational Energy (zpe) 15973.3 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 15765.6 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 B97D3/6-311+G(3df,2p)
ABC
0.83472 0.05038 0.04839

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.487 0.586 0.000
C2 -0.487 -0.586 0.000
S3 0.487 -2.146 0.000
S4 -0.487 2.146 0.000
H5 -0.567 -2.982 0.000
H6 0.567 2.982 0.000
H7 -1.121 -0.555 0.891
H8 -1.121 -0.555 -0.891
H9 1.121 0.555 0.891
H10 1.121 0.555 -0.891

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52502.73201.83893.72072.39682.16372.16371.09311.0931
C21.52501.83892.73202.39683.72071.09311.09312.16372.1637
S32.73201.83894.40061.34555.12812.43062.43062.91352.9135
S41.83892.73204.40065.12811.34552.91352.91352.43062.4306
H53.72072.39681.34555.12816.07052.64352.64354.01884.0188
H62.39683.72075.12811.34556.07054.01884.01882.64352.6435
H72.16371.09312.43062.91352.64354.01881.78102.50113.0704
H82.16371.09312.43062.91352.64354.01881.78103.07042.5011
H91.09312.16372.91352.43064.01882.64352.50113.07041.7810
H101.09312.16372.91352.43064.01882.64353.07042.50111.7810

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 108.175 C1 C2 H7 110.286
C1 C2 H8 110.286 C1 S4 H6 96.227
C2 C1 S4 108.175 C2 C1 H9 110.286
C2 C1 H10 110.286 C2 S3 H5 96.227
S3 C2 H7 109.498 S3 C2 H8 109.498
S4 C1 H9 109.498 S4 C1 H10 109.498
H7 C2 H8 109.082 H9 C1 H10 109.082
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.139      
2 C -0.139      
3 S -0.357      
4 S -0.357      
5 H 0.154      
6 H 0.154      
7 H 0.171      
8 H 0.171      
9 H 0.171      
10 H 0.171      


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 -39.911 6.393 0.000
y 6.393 -40.780 0.000
z 0.000 0.000 -43.262
Traceless
 xyz
x 2.110 6.393 0.000
y 6.393 0.806 0.000
z 0.000 0.000 -2.916
Polar
3z2-r2-5.833
x2-y20.869
xy6.393
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.166 -0.838 0.000
y -0.838 13.767 0.000
z 0.000 0.000 8.877


<r2> (average value of r2) Å2
<r2> 215.557
(<r2>)1/2 14.682