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 CH3SSCH3 (Disulfide, dimethyl)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-876.157333
Energy at 298.15K-876.163292
HF Energy-876.157333
Nuclear repulsion energy 
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 B97D3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3112 3051 7.61      
2 A 3096 3035 10.75      
3 A 3006 2947 20.55      
4 A 1477 1448 0.58      
5 A 1465 1436 5.59      
6 A 1353 1326 3.37      
7 A 976 956 6.43      
8 A 967 948 1.53      
9 A 657 644 0.06      
10 A 466 457 0.35      
11 A 226 222 1.42      
12 A 145 142 0.09      
13 A 101 99 1.40      
14 B 3111 3050 14.48      
15 B 3095 3034 8.25      
16 B 3003 2944 26.77      
17 B 1481 1452 18.25      
18 B 1459 1430 10.08      
19 B 1345 1318 7.59      
20 B 974 955 18.69      
21 B 965 946 4.38      
22 B 658 645 2.87      
23 B 255 250 1.45      
24 B 155 152 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 16773.2 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 16444.5 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 B97D3/6-31G*
ABC
0.26584 0.08975 0.08242

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.458 0.934 -0.503
S2 0.458 -0.934 -0.503
C3 0.458 1.840 0.810
C4 -0.458 -1.840 0.810
H5 0.054 2.862 0.816
H6 0.295 1.383 1.794
H7 1.529 1.872 0.580
H8 -0.054 -2.862 0.816
H9 -0.295 -1.383 1.794
H10 -1.529 -1.872 0.580

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.08041.84053.06952.39222.45942.45024.03933.26713.1924
S22.08043.06951.84054.03933.26713.19242.39222.45942.4502
C31.84053.06953.79291.09931.09691.09624.73053.45354.2169
C43.06951.84053.79294.73053.45354.21691.09931.09691.0962
H52.39224.03931.09934.73051.78971.79315.72594.37084.9973
H62.45943.26711.09693.45351.78971.79904.37082.82893.9241
H72.45023.19241.09624.21691.79311.79904.99733.92414.8341
H84.03932.39224.73051.09935.72594.37084.99731.78971.7931
H93.26712.45943.45351.09694.37082.82893.92411.78971.7990
H103.19242.45024.21691.09624.99733.92414.83411.79311.7990

picture of Disulfide, dimethyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 C4 103.255 S1 C3 H5 106.362
S1 C3 H6 111.422 S1 C3 H7 110.751
S2 S1 C3 103.255 S2 C4 H8 106.362
S2 C4 H9 111.422 S2 C4 H10 110.751
H5 C3 H6 108.926 H5 C3 H7 109.275
H6 C3 H7 110.005 H8 C4 H9 108.926
H8 C4 H10 109.275 H9 C4 H10 110.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.016      
2 S 0.016      
3 C -0.595      
4 C -0.595      
5 H 0.191      
6 H 0.187      
7 H 0.200      
8 H 0.191      
9 H 0.187      
10 H 0.200      


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 2.261 2.261
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.942 1.831 0.000
y 1.831 -34.803 0.000
z 0.000 0.000 -40.435
Traceless
 xyz
x -3.323 1.831 0.000
y 1.831 5.886 0.000
z 0.000 0.000 -2.563
Polar
3z2-r2-5.125
x2-y2-6.139
xy1.831
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.668 -0.245 0.000
y -0.245 11.363 0.000
z 0.000 0.000 7.141


<r2> (average value of r2) Å2
<r2> 158.481
(<r2>)1/2 12.589