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

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-875.781326
Energy at 298.15K-875.787535
HF Energy-875.781326
Nuclear repulsion energy202.616576
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 PBE1PBE/6-31G*
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 3101 2947 0.00      
2 Ag 2736 2600 0.00      
3 Ag 1519 1443 0.00      
4 Ag 1364 1297 0.00      
5 Ag 1128 1072 0.00      
6 Ag 919 873 0.00      
7 Ag 758 720 0.00      
8 Ag 283 269 0.00      
9 Au 3176 3018 8.58      
10 Au 1155 1098 5.18      
11 Au 793 754 4.32      
12 Au 155 148 33.37      
13 Au 89 85 29.68      
14 Bg 3154 2997 0.00      
15 Bg 1321 1255 0.00      
16 Bg 991 942 0.00      
17 Bg 162 153 0.00      
18 Bu 3110 2955 24.10      
19 Bu 2736 2600 32.09      
20 Bu 1519 1444 6.52      
21 Bu 1272 1208 55.34      
22 Bu 909 863 5.43      
23 Bu 744 707 6.99      
24 Bu 202 192 9.04      

Unscaled Zero Point Vibrational Energy (zpe) 16646.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 15819.5 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 PBE1PBE/6-31G*
ABC
0.83814 0.05091 0.04888

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.485 0.585 0.000
C2 -0.485 -0.585 0.000
S3 0.485 -2.134 0.000
S4 -0.485 2.134 0.000
H5 -0.567 -2.974 0.000
H6 0.567 2.974 0.000
H7 -1.121 -0.547 0.890
H8 -1.121 -0.547 -0.890
H9 1.121 0.547 0.890
H10 1.121 0.547 -0.890

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.51992.71871.82853.71062.39032.15682.15681.09401.0940
C21.51991.82852.71872.39033.71061.09401.09402.15682.1568
S32.71871.82854.37701.34615.10822.42712.42712.89512.8951
S41.82852.71874.37705.10821.34612.89512.89512.42712.4271
H53.71062.39031.34615.10826.05422.64362.64364.00404.0040
H62.39033.71065.10821.34616.05424.00404.00402.64362.6436
H72.15681.09402.42712.89512.64364.00401.77992.49373.0638
H82.15681.09402.42712.89512.64364.00401.77993.06382.4937
H91.09402.15682.89512.42714.00402.64362.49373.06381.7799
H101.09402.15682.89512.42714.00402.64363.06382.49371.7799

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 108.218 C1 C2 H7 110.134
C1 C2 H8 110.134 C1 S4 H6 96.513
C2 C1 S4 108.218 C2 C1 H9 110.134
C2 C1 H10 110.134 C2 S3 H5 96.513
S3 C2 H7 109.734 S3 C2 H8 109.734
S4 C1 H9 109.734 S4 C1 H10 109.734
H7 C2 H8 108.877 H9 C1 H10 108.877
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.492      
2 C -0.492      
3 S -0.075      
4 S -0.075      
5 H 0.117      
6 H 0.117      
7 H 0.225      
8 H 0.225      
9 H 0.225      
10 H 0.225      


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 -39.976 7.497 0.000
y 7.497 -39.410 0.000
z 0.000 0.000 -42.902
Traceless
 xyz
x 1.180 7.497 0.000
y 7.497 2.028 0.000
z 0.000 0.000 -3.208
Polar
3z2-r2-6.417
x2-y2-0.566
xy7.497
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.006 -0.473 0.000
y -0.473 10.753 0.000
z 0.000 0.000 5.633


<r2> (average value of r2) Å2
<r2> 213.372
(<r2>)1/2 14.607