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 C6H6 (Prismane)

using model chemistry: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-230.651194
Energy at 298.15K-230.657611
HF Energy-230.651194
Nuclear repulsion energy215.292421
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 BLYP/3-21G*
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' 3183 3163 0.00      
2 A1' 1200 1192 0.00      
3 A1' 1068 1061 0.00      
4 A1' 916 910 0.00      
5 A1" 1003 996 0.00      
6 A1" 619 615 0.00      
7 A2' 995 989 0.00      
8 A2" 3168 3148 55.12      
9 A2" 1241 1233 0.25      
10 A2" 930 924 3.08      
11 E' 3159 3138 25.25      
11 E' 3159 3138 25.25      
12 E' 1206 1198 14.75      
12 E' 1206 1198 14.76      
13 E' 897 892 5.22      
13 E' 897 892 5.23      
14 E' 797 792 0.65      
14 E' 797 792 0.65      
15 E' 781 776 47.66      
15 E' 781 776 47.65      
16 E" 3147 3127 0.00      
16 E" 3147 3127 0.00      
17 E" 1142 1134 0.00      
17 E" 1142 1134 0.00      
18 E" 985 979 0.00      
18 E" 985 979 0.00      
19 E" 741 736 0.00      
19 E" 741 736 0.00      
20 E" 692 687 0.00      
20 E" 692 687 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20708.4 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 20573.8 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 BLYP/3-21G*
ABC
0.22055 0.17229 0.17229

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.903 0.796
C2 -0.782 -0.452 0.796
C3 0.782 -0.452 0.796
C4 0.000 0.903 -0.796
C5 0.782 -0.452 -0.796
C6 -0.782 -0.452 -0.796
H7 0.000 1.710 1.522
H8 -1.481 -0.855 1.522
H9 1.481 -0.855 1.522
H10 0.000 1.710 -1.522
H11 1.481 -0.855 -1.522
H12 -1.481 -0.855 -1.522

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.56471.56471.59192.23212.23211.08522.41062.41062.45453.26473.2647
C21.56471.56472.23212.23211.59192.41061.08522.41063.26473.26472.4545
C31.56471.56472.23211.59192.23212.41062.41061.08523.26472.45453.2647
C41.59192.23212.23211.56471.56472.45453.26473.26471.08522.41062.4106
C52.23212.23211.59191.56471.56473.26473.26472.45452.41061.08522.4106
C62.23211.59192.23211.56471.56473.26472.45453.26472.41062.41061.0852
H71.08522.41062.41062.45453.26473.26472.96122.96123.04474.24724.2472
H82.41061.08522.41063.26473.26472.45452.96122.96124.24724.24723.0447
H92.41062.41061.08523.26472.45453.26472.96122.96124.24723.04474.2472
H102.45453.26473.26471.08522.41062.41063.04474.24724.24722.96122.9612
H113.26473.26472.45452.41061.08522.41064.24724.24723.04472.96122.9612
H123.26472.45453.26472.41062.41061.08524.24723.04474.24722.96122.9612

picture of Prismane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 60.000 C1 C2 C6 90.000
C1 C2 H8 130.047 C1 C3 C2 60.000
C1 C3 C5 90.000 C1 C3 H9 130.047
C1 C4 C5 90.000 C1 C4 C6 90.000
C1 C4 H10 132.017 C2 C1 C3 60.000
C2 C1 C4 90.000 C2 C1 H7 130.047
C2 C3 C5 90.000 C2 C3 H9 130.047
C2 C6 C4 90.000 C2 C6 C5 90.000
C2 C6 H12 132.017 C3 C1 C4 90.000
C3 C1 H7 130.047 C3 C2 C6 90.000
C3 C2 H8 130.047 C3 C5 C4 90.000
C3 C5 C6 90.000 C3 C5 H11 132.017
C4 C1 H7 132.017 C4 C5 C6 60.000
C4 C5 H11 130.047 C4 C6 H12 130.047
C5 C3 H9 132.017 C5 C4 C6 60.000
C5 C4 H10 130.047 C5 C6 H12 130.047
C6 C2 H8 132.017 C6 C4 C5 60.000
C6 C4 H10 130.047 C6 C5 H11 130.047
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.133      
2 C -0.133      
3 C -0.133      
4 C -0.133      
5 C -0.133      
6 C -0.133      
7 H 0.133      
8 H 0.133      
9 H 0.133      
10 H 0.133      
11 H 0.133      
12 H 0.133      


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 -35.641 0.000 0.000
y 0.000 -35.641 0.000
z 0.000 0.000 -32.499
Traceless
 xyz
x -1.571 0.000 0.000
y 0.000 -1.571 0.000
z 0.000 0.000 3.142
Polar
3z2-r26.283
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 6.902 0.000 0.000
y 0.000 6.902 0.000
z 0.000 0.000 7.474


<r2> (average value of r2) Å2
<r2> 105.236
(<r2>)1/2 10.258