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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: PBEPBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-2774.100708
Energy at 298.15K-2774.108255
Nuclear repulsion energy425.849026
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/STO-3G
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 3414 3119 4.05      
2 A1 3399 3106 6.36      
3 A1 3384 3091 0.40      
4 A1 1690 1544 26.13      
5 A1 1567 1432 56.09      
6 A1 1231 1124 0.19      
7 A1 1159 1058 42.40      
8 A1 1075 983 1.82      
9 A1 1028 939 3.62      
10 A1 708 647 11.44      
11 A1 340 310 1.12      
12 A2 998 912 0.00      
13 A2 864 789 0.00      
14 A2 411 376 0.00      
15 B1 1015 927 0.06      
16 B1 929 849 1.64      
17 B1 754 689 32.86      
18 B1 709 648 5.94      
19 B1 468 428 1.99      
20 B1 172 157 0.05      
21 B2 3404 3110 14.55      
22 B2 3391 3098 0.14      
23 B2 1673 1528 3.75      
24 B2 1524 1392 9.54      
25 B2 1378 1259 0.03      
26 B2 1347 1231 0.26      
27 B2 1217 1112 0.13      
28 B2 1127 1030 0.49      
29 B2 632 577 0.07      
30 B2 251 229 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 20628.3 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 18846.0 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 PBEPBE/STO-3G
ABC
0.18444 0.03227 0.02746

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.823
C2 0.000 0.000 -0.074
C3 0.000 1.230 -0.789
C4 0.000 -1.230 -0.789
C5 0.000 1.223 -2.202
C6 0.000 -1.223 -2.202
C7 0.000 0.000 -2.912
H8 0.000 2.186 -0.237
H9 0.000 -2.186 -0.237
H10 0.000 2.182 -2.749
H11 0.000 -2.182 -2.749
H12 0.000 0.000 -4.015

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.89692.88652.88654.20584.20584.73443.00353.00355.06575.06575.8379
C21.89691.42241.42242.45362.45362.83752.19222.19223.45183.45183.9411
C32.88651.42242.45971.41282.83032.45341.10413.46032.17933.93463.4530
C42.88651.42242.45972.83031.41282.45343.46031.10413.93462.17933.4530
C54.20582.45361.41282.83032.44521.41392.18823.93441.10433.44792.1873
C64.20582.45362.83031.41282.44521.41393.93442.18823.44791.10432.1873
C74.73442.83752.45342.45341.41391.41393.45453.45452.18752.18751.1036
H83.00352.19221.10413.46032.18823.93443.45454.37222.51245.03874.3653
H93.00352.19223.46031.10413.93442.18823.45454.37225.03872.51244.3653
H105.06573.45182.17933.93461.10433.44792.18752.51245.03874.36302.5222
H115.06573.45183.93462.17933.44791.10432.18755.03872.51244.36302.5222
H125.83793.94113.45303.45302.18732.18731.10364.36534.36532.52222.5222

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 120.157 Br1 C2 C4 120.157
C2 C3 C5 119.863 C2 C3 H8 119.853
C2 C4 C6 119.863 C2 C4 H9 119.853
C3 C2 C4 119.685 C3 C5 C7 120.444
C3 C5 H10 119.440 C4 C6 C7 120.444
C4 C6 H11 119.440 C5 C3 H8 120.284
C5 C7 C6 119.701 C5 C7 H12 120.150
C6 C4 H9 120.284 C6 C7 H12 120.150
C7 C5 H10 120.116 C7 C6 H11 120.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.039      
2 C -0.066      
3 C -0.086      
4 C -0.086      
5 C -0.082      
6 C -0.082      
7 C -0.086      
8 H 0.092      
9 H 0.092      
10 H 0.089      
11 H 0.089      
12 H 0.088      


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 -0.945 0.945
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.822 0.000 0.000
y 0.000 -45.193 0.000
z 0.000 0.000 -46.262
Traceless
 xyz
x -5.095 0.000 0.000
y 0.000 3.349 0.000
z 0.000 0.000 1.746
Polar
3z2-r23.491
x2-y2-5.629
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.117 0.000 0.000
y 0.000 7.147 0.000
z 0.000 0.000 11.174


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