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

using model chemistry: B3PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-876.123950
Energy at 298.15K-876.130043
Nuclear repulsion energy201.541906
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 B3PW91/aug-cc-pVDZ
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 3071 2962 0.00      
2 Ag 2684 2589 0.00      
3 Ag 1463 1412 0.00      
4 Ag 1309 1262 0.00      
5 Ag 1108 1069 0.00      
6 Ag 889 858 0.00      
7 Ag 738 712 0.00      
8 Ag 279 269 0.00      
9 Au 3150 3038 4.60      
10 Au 1111 1071 4.21      
11 Au 769 742 2.87      
12 Au 140 135 16.80      
13 Au 77 74 23.14      
14 Bg 3127 3017 0.00      
15 Bg 1281 1236 0.00      
16 Bg 956 922 0.00      
17 Bg 141 136 0.00      
18 Bu 3080 2971 22.12      
19 Bu 2685 2590 3.70      
20 Bu 1461 1410 6.85      
21 Bu 1218 1175 36.48      
22 Bu 879 848 1.17      
23 Bu 719 693 8.74      
24 Bu 198 191 6.73      

Unscaled Zero Point Vibrational Energy (zpe) 16266.7 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 15690.8 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 B3PW91/aug-cc-pVDZ
ABC
0.83458 0.05029 0.04831

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.486 0.584 0.000
C2 -0.486 -0.584 0.000
S3 0.486 -2.148 0.000
S4 -0.486 2.148 0.000
H5 -0.577 -2.990 0.000
H6 0.577 2.990 0.000
H7 -1.120 -0.553 0.894
H8 -1.120 -0.553 -0.894
H9 1.120 0.553 0.894
H10 1.120 0.553 -0.894

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52022.73231.84103.72872.40692.16222.16221.09701.0970
C21.52021.84102.73232.40693.72871.09701.09702.16222.1622
S32.73231.84104.40441.35595.13832.43372.43372.91542.9154
S41.84102.73234.40445.13831.35592.91542.91542.43372.4337
H53.72872.40691.35595.13836.08952.65142.65144.02924.0292
H62.40693.72875.13831.35596.08954.02924.02922.65142.6514
H72.16221.09702.43372.91542.65144.02921.78882.49933.0735
H82.16221.09702.43372.91542.65144.02921.78883.07352.4993
H91.09702.16222.91542.43374.02922.65142.49933.07351.7888
H101.09702.16222.91542.43374.02922.65143.07352.49931.7888

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 108.382 C1 C2 H7 110.371
C1 C2 H8 110.371 C1 S4 H6 96.500
C2 C1 S4 108.382 C2 C1 H9 110.371
C2 C1 H10 110.371 C2 S3 H5 96.500
S3 C2 H7 109.226 S3 C2 H8 109.226
S4 C1 H9 109.226 S4 C1 H10 109.226
H7 C2 H8 109.238 H9 C1 H10 109.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.239      
2 C 0.239      
3 S 0.102      
4 S 0.102      
5 H 0.094      
6 H 0.094      
7 H -0.217      
8 H -0.217      
9 H -0.217      
10 H -0.217      


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 -39.888 6.679 0.000
y 6.679 -40.535 0.000
z 0.000 0.000 -43.187
Traceless
 xyz
x 1.973 6.679 0.000
y 6.679 1.002 0.000
z 0.000 0.000 -2.975
Polar
3z2-r2-5.951
x2-y20.647
xy6.679
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.194 -0.735 0.000
y -0.735 13.623 0.000
z 0.000 0.000 8.621


<r2> (average value of r2) Å2
<r2> 215.845
(<r2>)1/2 14.692