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All results from a given calculation for C6H5Br (bromobenzene)

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-2803.257085
Energy at 298.15K-2803.265099
Nuclear repulsion energy431.238880
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
4/u)
Dep P Dep U
1 A1 3233 3098 2.03      
2 A1 3220 3086 14.25      
3 A1 3198 3065 0.07      
4 A1 1648 1579 25.13      
5 A1 1517 1454 39.50      
6 A1 1202 1152 0.01      
7 A1 1098 1052 20.06      
8 A1 1050 1006 14.63      
9 A1 1008 966 16.22      
10 A1 680 652 20.31      
11 A1 321 308 2.18      
12 A2 981 941 0.00      
13 A2 852 816 0.00      
14 A2 417 400 0.00      
15 B1 1005 963 0.24      
16 B1 929 890 2.46      
17 B1 760 728 46.56      
18 B1 708 679 20.37      
19 B1 475 455 6.42      
20 B1 174 167 0.29      
21 B2 3231 3096 5.93      
22 B2 3207 3074 9.61      
23 B2 1651 1583 2.15      
24 B2 1484 1423 7.75      
25 B2 1370 1313 0.46      
26 B2 1334 1278 0.53      
27 B2 1186 1136 0.07      
28 B2 1104 1058 4.57      
29 B2 623 597 0.27      
30 B2 253 242 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19958.3 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 19128.0 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 B3PW91/6-31G**
ABC
0.18966 0.03310 0.02818

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)
Br1 0.000 0.000 1.801
C2 0.000 0.000 -0.098
C3 0.000 1.214 -0.778
C4 0.000 -1.214 -0.778
C5 0.000 1.206 -2.172
C6 0.000 -1.206 -2.172
C7 0.000 0.000 -2.871
H8 0.000 2.148 -0.226
H9 0.000 -2.148 -0.226
H10 0.000 2.150 -2.710
H11 0.000 -2.150 -2.710
H12 0.000 0.000 -3.957

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.89922.85112.85114.15244.15244.67242.95352.95354.99724.99725.7583
C21.89921.39181.39182.39932.39932.77322.15152.15153.38293.38293.8591
C32.85111.39182.42821.39382.79262.41941.08473.40682.14623.87893.4026
C42.85111.39182.42822.79261.39382.41943.40681.08473.87892.14623.4026
C54.15242.39931.39382.79262.41171.39382.16193.87721.08633.39832.1540
C64.15242.39932.79261.39382.41171.39383.87722.16193.39831.08632.1540
C74.67242.77322.41942.41941.39381.39383.40713.40712.15572.15571.0859
H82.95352.15151.08473.40682.16193.87723.40714.29542.48374.96354.3048
H92.95352.15153.40681.08473.87722.16193.40714.29544.96352.48374.3048
H104.99723.38292.14623.87891.08633.39832.15572.48374.96354.29932.4852
H114.99723.38293.87892.14623.39831.08632.15574.96352.48374.29932.4852
H125.75833.85913.40263.40262.15402.15401.08594.30484.30482.48522.4852

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.271 Br1 C2 C4 119.271
C2 C3 C5 118.933 C2 C3 H8 120.128
C2 C4 C6 118.933 C2 C4 H9 120.128
C3 C2 C4 121.458 C3 C5 C7 120.437
C3 C5 H10 119.336 C4 C6 C7 120.437
C4 C6 H11 119.336 C5 C3 H8 120.940
C5 C7 C6 119.803 C5 C7 H12 120.099
C6 C4 H9 120.940 C6 C7 H12 120.099
C7 C5 H10 120.227 C7 C6 H11 120.227
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 Br -0.113      
2 C 0.017      
3 C -0.113      
4 C -0.113      
5 C -0.123      
6 C -0.123      
7 C -0.117      
8 H 0.144      
9 H 0.144      
10 H 0.132      
11 H 0.132      
12 H 0.129      


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 -1.803 1.803
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.951 0.000 0.000
y 0.000 -47.007 0.000
z 0.000 0.000 -47.581
Traceless
 xyz
x -8.657 0.000 0.000
y 0.000 4.759 0.000
z 0.000 0.000 3.898
Polar
3z2-r27.795
x2-y2-8.944
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.693 0.000 0.000
y 0.000 11.668 0.000
z 0.000 0.000 16.281


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