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 C6H5Br (bromobenzene)

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-2802.652375
Energy at 298.15K-2802.660214
Nuclear repulsion energy428.714381
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 PBEPBE/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 A1 3156 3112 1.82      
2 A1 3143 3100 14.11      
3 A1 3122 3079 0.12      
4 A1 1590 1569 27.12      
5 A1 1468 1448 37.74      
6 A1 1168 1152 0.01      
7 A1 1064 1049 20.95      
8 A1 1021 1007 14.89      
9 A1 977 964 17.26      
10 A1 660 651 20.63      
11 A1 311 307 2.51      
12 A2 936 923 0.00      
13 A2 817 806 0.00      
14 A2 404 399 0.00      
15 B1 960 947 0.24      
16 B1 888 876 2.14      
17 B1 731 721 41.67      
18 B1 685 676 17.95      
19 B1 459 453 5.93      
20 B1 167 165 0.27      
21 B2 3153 3110 6.02      
22 B2 3130 3087 9.68      
23 B2 1596 1574 2.08      
24 B2 1438 1419 6.32      
25 B2 1357 1339 0.19      
26 B2 1292 1274 0.70      
27 B2 1152 1137 0.12      
28 B2 1073 1058 4.67      
29 B2 605 596 0.28      
30 B2 245 242 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19384.4 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 19118.8 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 PBEPBE/6-31G**
ABC
0.18729 0.03273 0.02786

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.811
C2 0.000 0.000 -0.098
C3 0.000 1.222 -0.782
C4 0.000 -1.222 -0.782
C5 0.000 1.213 -2.184
C6 0.000 -1.213 -2.184
C7 0.000 0.000 -2.888
H8 0.000 2.162 -0.226
H9 0.000 -2.162 -0.226
H10 0.000 2.164 -2.725
H11 0.000 -2.164 -2.725
H12 0.000 0.000 -3.981

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.90972.86712.86714.17594.17594.69922.97042.97045.02645.02645.7928
C21.90971.40031.40032.41312.41312.78952.16562.16563.40353.40353.8830
C32.86711.40032.44381.40222.80982.43441.09243.42932.15943.90383.4245
C42.86711.40032.44382.80981.40222.43443.42931.09243.90382.15943.4245
C54.17592.41311.40222.80982.42611.40222.17653.90211.09403.42002.1680
C64.17592.41312.80981.40222.42611.40223.90212.17653.42001.09402.1680
C74.69922.78952.43442.43441.40221.40223.42943.42942.17002.17001.0935
H82.97042.16561.09243.42932.17653.90213.42944.32372.49974.99614.3335
H92.97042.16563.42931.09243.90212.17653.42944.32374.99612.49974.3335
H105.02643.40352.15943.90381.09403.42002.17002.49974.99614.32782.5020
H115.02643.40353.90382.15943.42001.09402.17004.99612.49974.32782.5020
H125.79283.88303.42453.42452.16802.16801.09354.33354.33352.50202.5020

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.237 Br1 C2 C4 119.237
C2 C3 C5 118.874 C2 C3 H8 120.130
C2 C4 C6 118.874 C2 C4 H9 120.130
C3 C2 C4 121.526 C3 C5 C7 120.471
C3 C5 H10 119.274 C4 C6 C7 120.471
C4 C6 H11 119.274 C5 C3 H8 120.997
C5 C7 C6 119.784 C5 C7 H12 120.108
C6 C4 H9 120.997 C6 C7 H12 120.108
C7 C5 H10 120.255 C7 C6 H11 120.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br -0.112      
2 C 0.033      
3 C -0.094      
4 C -0.094      
5 C -0.100      
6 C -0.100      
7 C -0.092      
8 H 0.119      
9 H 0.119      
10 H 0.108      
11 H 0.108      
12 H 0.104      


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 -1.694 1.694
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.910 0.000 0.000
y 0.000 -47.366 0.000
z 0.000 0.000 -47.803
Traceless
 xyz
x -8.326 0.000 0.000
y 0.000 4.491 0.000
z 0.000 0.000 3.835
Polar
3z2-r27.670
x2-y2-8.545
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.732 0.000 0.000
y 0.000 11.958 0.000
z 0.000 0.000 16.874


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000