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: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-873.765658
Energy at 298.15K-873.771544
Nuclear repulsion energy204.509186
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 LSDA/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 2977 2944 0.00      
2 Ag 2627 2598 0.00      
3 Ag 1413 1397 0.00      
4 Ag 1256 1242 0.00      
5 Ag 1103 1091 0.00      
6 Ag 879 870 0.00      
7 Ag 736 728 0.00      
8 Ag 276 273 0.00      
9 Au 3050 3016 1.84      
10 Au 1066 1055 6.28      
11 Au 758 749 4.15      
12 Au 129 128 9.44      
13 Au 28 28 36.85      
14 Bg 3025 2992 0.00      
15 Bg 1239 1225 0.00      
16 Bg 924 914 0.00      
17 Bg 118 117 0.00      
18 Bu 2988 2955 15.61      
19 Bu 2627 2599 1.05      
20 Bu 1416 1400 8.92      
21 Bu 1170 1158 25.26      
22 Bu 848 838 0.59      
23 Bu 733 725 3.99      
24 Bu 189 187 6.62      

Unscaled Zero Point Vibrational Energy (zpe) 15786.9 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 15614.9 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 LSDA/cc-pVTZ
ABC
0.83919 0.05232 0.05020

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.484 0.573 0.000
C2 -0.484 -0.573 0.000
S3 0.484 -2.103 0.000
S4 -0.484 2.103 0.000
H5 -0.569 -2.956 0.000
H6 0.569 2.956 0.000
H7 -1.122 -0.531 0.894
H8 -1.122 -0.531 -0.894
H9 1.122 0.531 0.894
H10 1.122 0.531 -0.894

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.50012.67621.81083.68252.38422.14462.14461.09961.0996
C21.50011.81082.67622.38423.68251.09961.09962.14462.1446
S32.67621.81084.31651.35515.05972.41912.41912.85442.8544
S41.81082.67624.31655.05971.35512.85442.85442.41912.4191
H53.68252.38421.35515.05976.02002.64282.64283.97733.9773
H62.38423.68255.05971.35516.02003.97733.97732.64282.6428
H72.14461.09962.41912.85442.64283.97731.78892.48323.0605
H82.14461.09962.41912.85442.64283.97731.78893.06052.4832
H91.09962.14462.85442.41913.97732.64282.48323.06051.7889
H101.09962.14462.85442.41913.97732.64283.06052.48321.7889

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 107.494 C1 C2 H7 110.212
C1 C2 H8 110.212 C1 S4 H6 96.662
C2 C1 S4 107.494 C2 C1 H9 110.212
C2 C1 H10 110.212 C2 S3 H5 96.662
S3 C2 H7 110.027 S3 C2 H8 110.027
S4 C1 H9 110.027 S4 C1 H10 110.027
H7 C2 H8 108.861 H9 C1 H10 108.861
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.262      
2 C -0.262      
3 S -0.148      
4 S -0.148      
5 H 0.111      
6 H 0.111      
7 H 0.150      
8 H 0.150      
9 H 0.150      
10 H 0.150      


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 -40.062 6.516 0.000
y 6.516 -39.735 0.000
z 0.000 0.000 -43.015
Traceless
 xyz
x 1.313 6.516 0.000
y 6.516 1.803 0.000
z 0.000 0.000 -3.116
Polar
3z2-r2-6.232
x2-y2-0.327
xy6.516
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.547 -0.550 0.000
y -0.550 12.931 0.000
z 0.000 0.000 6.777


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000