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 C8H6 (Calicene)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-308.197729
Energy at 298.15K-308.202465
HF Energy-308.197729
Nuclear repulsion energy299.876275
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3325 3181 6.05      
2 A1 3257 3116 14.13      
3 A1 3234 3094 11.63      
4 A1 1841 1762 511.57      
5 A1 1607 1537 122.01      
6 A1 1520 1454 80.68      
7 A1 1430 1368 96.85      
8 A1 1235 1181 23.63      
9 A1 1091 1043 10.08      
10 A1 1038 993 9.16      
11 A1 956 915 12.93      
12 A1 890 852 37.24      
13 A1 491 470 0.05      
14 A2 919 879 0.00      
15 A2 907 867 0.00      
16 A2 699 669 0.00      
17 A2 592 566 0.00      
18 A2 211 202 0.00      
19 B1 886 848 0.00      
20 B1 762 729 63.46      
21 B1 725 694 63.46      
22 B1 633 605 3.29      
23 B1 437 418 8.31      
24 B1 137 131 5.50      
25 B2 3286 3143 2.59      
26 B2 3250 3109 28.98      
27 B2 3223 3083 2.90      
28 B2 1608 1538 0.34      
29 B2 1359 1301 0.34      
30 B2 1240 1186 1.64      
31 B2 1123 1074 16.89      
32 B2 1108 1060 6.58      
33 B2 949 908 6.65      
34 B2 830 794 1.75      
35 B2 496 475 0.95      
36 B2 147 141 1.80      

Unscaled Zero Point Vibrational Energy (zpe) 23719.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 22692.4 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 B3PW91/6-31G*
ABC
0.22621 0.04750 0.03926

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.047
C2 0.000 0.000 1.306
C3 0.000 0.663 2.570
C4 0.000 -0.663 2.570
C5 0.000 1.170 -0.911
C6 0.000 -1.170 -0.911
C7 0.000 0.726 -2.201
C8 0.000 -0.726 -2.201
H9 0.000 1.583 3.136
H10 0.000 -1.583 3.136
H11 0.000 2.198 -0.566
H12 0.000 -2.198 -0.566
H13 0.000 1.347 -3.091
H14 0.000 -1.347 -3.091

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.35242.69912.69911.45491.45492.27332.27333.55533.55532.25842.25843.32893.3289
C21.35241.42731.42732.50662.50663.58113.58112.42052.42052.88682.88684.59834.5983
C32.69911.42731.32563.51753.93394.77114.96881.08102.31653.49134.24455.70196.0069
C42.69911.42731.32563.93393.51754.96884.77112.31651.08104.24453.49136.00695.7019
C51.45492.50663.51753.93392.34081.36432.29384.06854.89541.08393.38592.18713.3301
C61.45492.50663.93393.51752.34082.29381.36434.89544.06853.38591.08393.33012.1871
C72.27333.58114.77114.96881.36432.29381.45255.40595.81582.19993.35031.08512.2561
C82.27333.58114.96884.77112.29381.36431.45255.81585.40593.35032.19992.25611.0851
H93.55532.42051.08102.31654.06854.89545.40595.81583.16663.75315.29216.23206.8825
H103.55532.42052.31651.08104.89544.06855.81585.40593.16665.29213.75316.88256.2320
H112.25842.88683.49134.24451.08393.38592.19993.35033.75315.29214.39592.66464.3522
H122.25842.88684.24453.49133.38591.08393.35032.19995.29213.75314.39594.35222.6646
H133.32894.59835.70196.00692.18713.33011.08512.25616.23206.88252.66464.35222.6939
H143.32894.59836.00695.70193.33012.18712.25611.08516.88256.23204.35222.66462.6939

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.330 C1 C2 C4 152.330
C1 C5 C7 107.444 C1 C5 H11 124.997
C1 C6 C8 107.444 C1 C6 H12 124.997
C2 C1 C5 126.442 C2 C1 C6 126.442
C2 C3 C4 62.330 C2 C3 H9 149.293
C2 C4 C3 62.330 C2 C4 H10 149.293
C3 C2 C4 55.339 C3 C4 H10 148.377
C4 C3 H9 148.377 C5 C1 C6 107.116
C5 C7 C8 108.998 C5 C7 H13 126.108
C6 C8 C7 108.998 C6 C8 H14 126.108
C7 C5 H11 127.559 C7 C8 H14 124.894
C8 C6 H12 127.559 C8 C7 H13 124.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.048      
2 C 0.104      
3 C -0.144      
4 C -0.144      
5 C -0.178      
6 C -0.178      
7 C -0.194      
8 C -0.194      
9 H 0.209      
10 H 0.209      
11 H 0.137      
12 H 0.137      
13 H 0.142      
14 H 0.142      


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 4.537 4.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.463 0.000 0.000
y 0.000 -40.392 0.000
z 0.000 0.000 -34.284
Traceless
 xyz
x -12.125 0.000 0.000
y 0.000 1.482 0.000
z 0.000 0.000 10.644
Polar
3z2-r221.288
x2-y2-9.071
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.140 0.000 0.000
y 0.000 11.566 0.000
z 0.000 0.000 20.322


<r2> (average value of r2) Å2
<r2> 269.185
(<r2>)1/2 16.407