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 S8 (Octasulfur)

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 D4D 1A1
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-3185.876738
Energy at 298.15K-3185.877244
HF Energy-3185.876738
Nuclear repulsion energy1197.676111
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 A1 454 449 0.00      
2 A1 211 208 0.00      
3 B1 312 307 0.00      
4 B2 232 229 1.82      
5 E1 443 437 3.24      
5 E1 443 437 3.24      
6 E1 186 183 4.97      
6 E1 186 183 4.97      
7 E2 428 423 0.00      
7 E2 428 423 0.00      
8 E2 139 137 0.00      
8 E2 139 137 0.00      
9 E2 68 68 0.00      
9 E2 68 68 0.00      
10 E3 355 351 0.00      
10 E3 355 351 0.00      
11 E3 245 242 0.00      
11 E3 245 242 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2469.0 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 2436.9 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 B97D3/6-311+G(3df,2p)
ABC
0.02135 0.02135 0.01158

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

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.386 0.490
S2 2.386 0.000 0.490
S3 0.000 -2.386 0.490
S4 -2.386 0.000 0.490
S5 -1.687 1.687 -0.490
S6 -1.687 -1.687 -0.490
S7 1.687 -1.687 -0.490
S8 1.687 1.687 -0.490

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.37444.77213.37442.07224.51634.51632.0722
S23.37443.37444.77214.51634.51632.07222.0722
S34.77213.37443.37444.51632.07222.07224.5163
S43.37444.77213.37442.07222.07224.51634.5163
S52.07224.51634.51632.07223.37444.77213.3744
S64.51634.51632.07222.07223.37443.37444.7721
S74.51632.07222.07224.51634.77213.37443.3744
S82.07222.07224.51634.51633.37444.77213.3744

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 114.276 S1 S8 S2 114.276
S2 S7 S3 114.276 S3 S6 S4 114.276
S5 S1 S8 114.276 S5 S4 S6 114.276
S6 S3 S7 114.276 S7 S2 S8 114.276
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 S 0.000      
2 S 0.000      
3 S 0.000      
4 S 0.000      
5 S 0.000      
6 S 0.000      
7 S 0.000      
8 S 0.000      


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 -101.598 0.000 0.000
y 0.000 -101.598 0.000
z 0.000 0.000 -102.832
Traceless
 xyz
x 0.617 0.000 0.000
y 0.000 0.617 0.000
z 0.000 0.000 -1.234
Polar
3z2-r2-2.468
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 31.176 0.000 0.000
y 0.000 31.176 0.000
z 0.000 0.000 17.338


<r2> (average value of r2) Å2
<r2> 823.135
(<r2>)1/2 28.690