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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-2802.828558
Energy at 298.15K-2802.836411
Nuclear repulsion energy431.478538
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(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 3146 3114 1.84      
2 A1 3135 3102 12.43      
3 A1 3112 3080 0.28      
4 A1 1578 1562 23.53      
5 A1 1459 1444 36.56      
6 A1 1165 1153 0.00      
7 A1 1071 1060 24.19      
8 A1 1020 1009 11.03      
9 A1 979 969 11.05      
10 A1 666 659 16.71      
11 A1 320 317 1.35      
12 A2 919 909 0.00      
13 A2 821 813 0.00      
14 A2 400 396 0.00      
15 B1 950 940 0.13      
16 B1 885 876 1.42      
17 B1 732 724 41.18      
18 B1 683 676 11.67      
19 B1 458 453 5.14      
20 B1 166 165 0.21      
21 B2 3144 3111 5.81      
22 B2 3120 3088 8.69      
23 B2 1581 1565 2.16      
24 B2 1427 1413 7.58      
25 B2 1345 1331 0.13      
26 B2 1284 1271 1.08      
27 B2 1146 1134 0.14      
28 B2 1069 1058 4.72      
29 B2 601 594 0.25      
30 B2 246 244 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19312.7 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 19113.8 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(2df,p)
ABC
0.18811 0.03326 0.02826

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

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 -0.083
C3 0.000 1.219 -0.770
C4 0.000 -1.219 -0.770
C5 0.000 1.210 -2.169
C6 0.000 -1.210 -2.169
C7 0.000 0.000 -2.872
H8 0.000 2.158 -0.213
H9 0.000 -2.158 -0.213
H10 0.000 2.161 -2.710
H11 0.000 -2.161 -2.710
H12 0.000 0.000 -3.964

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.87762.83972.83974.14464.14464.66642.94772.94774.99584.99585.7590
C21.87761.39931.39932.41202.41202.78872.16192.16193.40123.40123.8814
C32.83971.39932.43791.39922.80342.42951.09183.42252.15623.89673.4189
C42.83971.39932.43792.80341.39922.42953.42251.09183.89672.15623.4189
C54.14462.41201.39922.80342.42081.39952.17353.89511.09323.41422.1651
C64.14462.41202.80341.39922.42081.39953.89512.17353.41421.09322.1651
C74.66642.78872.42952.42951.39951.39953.42413.42412.16682.16681.0927
H82.94772.16191.09183.42252.17353.89513.42414.31602.49644.98834.3276
H92.94772.16193.42251.09183.89512.17353.42414.31604.98832.49644.3276
H104.99583.40122.15623.89671.09323.41422.16682.49644.98834.32142.4986
H114.99583.40123.89672.15623.41421.09322.16684.98832.49644.32142.4986
H125.75903.88143.41893.41892.16512.16511.09274.32764.32762.49862.4986

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.410 Br1 C2 C4 119.410
C2 C3 C5 119.061 C2 C3 H8 119.925
C2 C4 C6 119.061 C2 C4 H9 119.925
C3 C2 C4 121.179 C3 C5 C7 120.478
C3 C5 H10 119.276 C4 C6 C7 120.478
C4 C6 H11 119.276 C5 C3 H8 121.015
C5 C7 C6 119.743 C5 C7 H12 120.129
C6 C4 H9 121.015 C6 C7 H12 120.129
C7 C5 H10 120.246 C7 C6 H11 120.246
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.002      
2 C 0.095      
3 C -0.174      
4 C -0.174      
5 C -0.101      
6 C -0.101      
7 C -0.119      
8 H 0.121      
9 H 0.121      
10 H 0.112      
11 H 0.112      
12 H 0.108      


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 -1.653 1.653
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.459 0.000 0.000
y 0.000 -47.561 0.000
z 0.000 0.000 -48.257
Traceless
 xyz
x -7.550 0.000 0.000
y 0.000 4.297 0.000
z 0.000 0.000 3.253
Polar
3z2-r26.507
x2-y2-7.898
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.959 0.000 0.000
y 0.000 12.573 0.000
z 0.000 0.000 17.532


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