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All results from a given calculation for C8H6 (Calicene)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-306.521542
Energy at 298.15K-306.526467
HF Energy-306.521542
Nuclear repulsion energy299.231604
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 mPW1PW91/3-21G
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 3374 3221 8.79      
2 A1 3297 3147 12.40      
3 A1 3269 3120 2.65      
4 A1 1838 1755 489.78      
5 A1 1584 1512 66.87      
6 A1 1508 1440 69.57      
7 A1 1413 1349 83.93      
8 A1 1219 1164 29.65      
9 A1 1115 1065 5.05      
10 A1 1020 973 16.35      
11 A1 963 920 6.71      
12 A1 906 865 49.16      
13 A1 493 470 0.94      
14 A2 960 917 0.00      
15 A2 958 914 0.00      
16 A2 740 707 0.00      
17 A2 609 581 0.00      
18 A2 219 209 0.00      
19 B1 936 894 0.00      
20 B1 782 746 59.87      
21 B1 762 728 141.25      
22 B1 646 617 10.90      
23 B1 456 436 9.21      
24 B1 137 131 7.40      
25 B2 3330 3179 10.07      
26 B2 3286 3136 14.79      
27 B2 3259 3111 1.74      
28 B2 1596 1524 0.00      
29 B2 1352 1291 0.08      
30 B2 1229 1173 0.74      
31 B2 1133 1081 22.76      
32 B2 1122 1071 6.30      
33 B2 949 906 4.41      
34 B2 869 830 1.14      
35 B2 495 472 1.07      
36 B2 152 145 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 23987.0 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 22898.0 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 mPW1PW91/3-21G
ABC
0.22459 0.04733 0.03909

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.041
C2 0.000 0.000 1.298
C3 0.000 0.665 2.578
C4 0.000 -0.665 2.578
C5 0.000 1.176 -0.915
C6 0.000 -1.176 -0.915
C7 0.000 0.732 -2.204
C8 0.000 -0.732 -2.204
H9 0.000 1.578 3.139
H10 0.000 -1.578 3.139
H11 0.000 2.198 -0.570
H12 0.000 -2.198 -0.570
H13 0.000 1.346 -3.092
H14 0.000 -1.346 -3.092

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.33922.70212.70211.46471.46472.28352.28353.55013.55012.26032.26033.33473.3347
C21.33921.44231.44232.50582.50583.57783.57782.42462.42462.88402.88404.59194.5919
C32.70211.44231.33073.52973.94814.78234.98181.07132.31233.50054.25465.71066.0161
C42.70211.44231.33073.94813.52974.98184.78232.31231.07134.25463.50056.01615.7106
C51.46472.50583.52973.94812.35111.36332.30244.07404.90061.07893.39092.18393.3314
C61.46472.50583.94813.52972.35112.30241.36334.90064.07403.39091.07893.33142.1839
C72.28353.57784.78234.98181.36332.30241.46425.40975.82112.19543.35491.07962.2598
C82.28353.57784.98184.78232.30241.36331.46425.82115.40973.35492.19542.25981.0796
H93.55012.42461.07132.31234.07404.90065.40975.82113.15553.76015.29226.23566.8831
H103.55012.42462.31231.07134.90064.07405.82115.40973.15555.29223.76016.88316.2356
H112.26032.88403.50054.25461.07893.39092.19543.35493.76015.29224.39542.66264.3498
H122.26032.88404.25463.50053.39091.07893.35492.19545.29223.76014.39544.34982.6626
H133.33474.59195.71066.01612.18393.33141.07962.25986.23566.88312.66264.34982.6918
H143.33474.59196.01615.71063.33142.18392.25981.07966.88316.23564.34982.66262.6918

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.529 C1 C2 C4 152.529
C1 C5 C7 107.640 C1 C5 H11 124.705
C1 C6 C8 107.640 C1 C6 H12 124.705
C2 C1 C5 126.623 C2 C1 C6 126.623
C2 C3 C4 62.529 C2 C3 H9 149.075
C2 C4 C3 62.529 C2 C4 H10 149.075
C3 C2 C4 54.942 C3 C4 H10 148.396
C4 C3 H9 148.396 C5 C1 C6 106.755
C5 C7 C8 108.983 C5 C7 H13 126.369
C6 C8 C7 108.983 C6 C8 H14 126.369
C7 C5 H11 127.656 C7 C8 H14 124.648
C8 C6 H12 127.656 C8 C7 H13 124.648
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.279      
2 C 0.051      
3 C -0.092      
4 C -0.092      
5 C -0.197      
6 C -0.197      
7 C -0.239      
8 C -0.239      
9 H 0.250      
10 H 0.250      
11 H 0.193      
12 H 0.193      
13 H 0.199      
14 H 0.199      


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 4.267 4.267
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.674 0.000 0.000
y 0.000 -40.151 0.000
z 0.000 0.000 -34.109
Traceless
 xyz
x -14.544 0.000 0.000
y 0.000 2.740 0.000
z 0.000 0.000 11.804
Polar
3z2-r223.607
x2-y2-11.523
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.109 0.000 0.000
y 0.000 10.778 0.000
z 0.000 0.000 19.333


<r2> (average value of r2) Å2
<r2> 270.484
(<r2>)1/2 16.446