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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-2803.492744
Energy at 298.15K-2803.500910
Nuclear repulsion energy432.438120
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 mPW1PW91/6-31+G**
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 3250 3093 2.40      
2 A1 3239 3083 11.01      
3 A1 3217 3062 0.26      
4 A1 1657 1577 29.89      
5 A1 1524 1451 40.07      
6 A1 1209 1151 0.01      
7 A1 1110 1057 20.29      
8 A1 1055 1004 15.03      
9 A1 995 947 18.28      
10 A1 688 655 18.95      
11 A1 328 312 1.51      
12 A2 997 949 0.00      
13 A2 857 816 0.00      
14 A2 423 402 0.00      
15 B1 1023 974 0.26      
16 B1 946 901 2.58      
17 B1 792 754 23.46      
18 B1 728 693 62.65      
19 B1 541 515 14.07      
20 B1 202 192 0.26      
21 B2 3248 3091 4.87      
22 B2 3225 3070 8.58      
23 B2 1657 1577 1.78      
24 B2 1487 1416 7.79      
25 B2 1375 1309 0.65      
26 B2 1339 1274 0.39      
27 B2 1189 1131 0.03      
28 B2 1108 1055 5.91      
29 B2 621 591 0.27      
30 B2 255 243 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 20141.9 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 19171.0 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 mPW1PW91/6-31+G**
ABC
0.19033 0.03331 0.02835

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.795
C2 0.000 0.000 -0.090
C3 0.000 1.212 -0.773
C4 0.000 -1.212 -0.773
C5 0.000 1.203 -2.166
C6 0.000 -1.203 -2.166
C7 0.000 0.000 -2.867
H8 0.000 2.146 -0.225
H9 0.000 -2.146 -0.225
H10 0.000 2.147 -2.702
H11 0.000 -2.147 -2.702
H12 0.000 0.000 -3.951

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.88502.83922.83924.13934.13934.66172.94682.94684.98274.98275.7461
C21.88501.39091.39092.39912.39912.77662.15052.15053.38063.38063.8610
C32.83921.39092.42371.39292.78802.41941.08353.40262.14363.87303.4017
C42.83921.39092.42372.78801.39292.41943.40261.08353.87302.14363.4017
C54.13932.39911.39292.78802.40661.39272.15823.87151.08503.39242.1532
C64.13932.39912.78801.39292.40661.39273.87152.15823.39241.08502.1532
C74.66172.77662.41942.41941.39271.39273.40433.40432.15282.15281.0844
H82.94682.15051.08353.40262.15823.87153.40434.29262.47754.95644.3007
H92.94682.15053.40261.08353.87152.15823.40434.29264.95642.47754.3007
H104.98273.38062.14363.87301.08503.39242.15282.47754.95644.29302.4836
H114.98273.38063.87302.14363.39241.08502.15284.95642.47754.29302.4836
H125.74613.86103.40173.40172.15322.15321.08444.30074.30072.48362.4836

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.390 Br1 C2 C4 119.390
C2 C3 C5 119.038 C2 C3 H8 120.201
C2 C4 C6 119.038 C2 C4 H9 120.201
C3 C2 C4 121.220 C3 C5 C7 120.582
C3 C5 H10 119.265 C4 C6 C7 120.582
C4 C6 H11 119.265 C5 C3 H8 120.761
C5 C7 C6 119.542 C5 C7 H12 120.229
C6 C4 H9 120.761 C6 C7 H12 120.229
C7 C5 H10 120.153 C7 C6 H11 120.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br -0.091      
2 C 0.217      
3 C -0.367      
4 C -0.367      
5 C 0.019      
6 C 0.019      
7 C -0.285      
8 H 0.177      
9 H 0.177      
10 H 0.168      
11 H 0.168      
12 H 0.165      


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 -1.829 1.829
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.500 0.000 0.000
y 0.000 -47.906 0.000
z 0.000 0.000 -48.637
Traceless
 xyz
x -9.228 0.000 0.000
y 0.000 5.162 0.000
z 0.000 0.000 4.066
Polar
3z2-r28.132
x2-y2-9.594
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.511 0.000 0.000
y 0.000 12.862 0.000
z 0.000 0.000 17.528


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