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: B3PW91/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-2803.436557
Energy at 298.15K-2803.444585
Nuclear repulsion energy433.922552
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(2df,p)
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 3222 3097 2.17      
2 A1 3209 3086 12.42      
3 A1 3187 3064 0.19      
4 A1 1634 1571 21.93      
5 A1 1507 1449 38.11      
6 A1 1199 1153 0.00      
7 A1 1105 1063 22.47      
8 A1 1048 1008 10.79      
9 A1 1007 968 10.60      
10 A1 686 659 16.39      
11 A1 330 317 1.16      
12 A2 967 929 0.00      
13 A2 855 822 0.00      
14 A2 414 398 0.00      
15 B1 996 957 0.12      
16 B1 926 890 1.59      
17 B1 760 731 44.64      
18 B1 707 680 13.53      
19 B1 474 456 5.46      
20 B1 173 167 0.23      
21 B2 3219 3095 5.75      
22 B2 3196 3072 8.51      
23 B2 1635 1572 2.26      
24 B2 1473 1416 8.91      
25 B2 1355 1303 0.52      
26 B2 1325 1274 0.82      
27 B2 1179 1133 0.10      
28 B2 1100 1057 4.51      
29 B2 619 595 0.23      
30 B2 254 244 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19880.0 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 19112.7 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(2df,p)
ABC
0.19049 0.03361 0.02857

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.785
C2 0.000 0.000 -0.083
C3 0.000 1.211 -0.767
C4 0.000 -1.211 -0.767
C5 0.000 1.203 -2.158
C6 0.000 -1.203 -2.158
C7 0.000 0.000 -2.856
H8 0.000 2.144 -0.215
H9 0.000 -2.144 -0.215
H10 0.000 2.147 -2.695
H11 0.000 -2.147 -2.695
H12 0.000 0.000 -3.941

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.86862.82492.82494.12244.12244.64102.93242.93244.96794.96795.7262
C21.86861.39061.39062.39802.39802.77242.14832.14833.38053.38053.8576
C32.82491.39062.42201.39082.78612.41451.08423.40032.14313.87183.3972
C42.82491.39062.42202.78611.39082.41453.40031.08423.87182.14313.3972
C54.12242.39801.39082.78612.40641.39102.15853.87021.08563.39252.1512
C64.12242.39802.78611.39082.40641.39103.87022.15853.39251.08562.1512
C74.64102.77242.41452.41451.39101.39103.40163.40162.15262.15261.0852
H82.93242.14831.08423.40032.15853.87023.40164.28842.47984.95584.2988
H92.93242.14833.40031.08423.87022.15853.40164.28844.95582.47984.2988
H104.96793.38052.14313.87181.08563.39252.15262.47984.95584.29312.4820
H114.96793.38053.87182.14313.39251.08562.15264.95582.47984.29312.4820
H125.72623.85763.39723.39722.15122.15121.08524.29884.29882.48202.4820

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.441 Br1 C2 C4 119.441
C2 C3 C5 119.120 C2 C3 H8 119.964
C2 C4 C6 119.120 C2 C4 H9 119.964
C3 C2 C4 121.117 C3 C5 C7 120.444
C3 C5 H10 119.341 C4 C6 C7 120.444
C4 C6 H11 119.341 C5 C3 H8 120.916
C5 C7 C6 119.755 C5 C7 H12 120.122
C6 C4 H9 120.916 C6 C7 H12 120.122
C7 C5 H10 120.215 C7 C6 H11 120.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.004      
2 C 0.061      
3 C -0.186      
4 C -0.186      
5 C -0.124      
6 C -0.124      
7 C -0.141      
8 H 0.146      
9 H 0.146      
10 H 0.135      
11 H 0.135      
12 H 0.132      


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 -1.754 1.754
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.469 0.000 0.000
y 0.000 -47.165 0.000
z 0.000 0.000 -47.962
Traceless
 xyz
x -7.906 0.000 0.000
y 0.000 4.551 0.000
z 0.000 0.000 3.355
Polar
3z2-r26.710
x2-y2-8.304
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.932 0.000 0.000
y 0.000 12.290 0.000
z 0.000 0.000 16.947


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