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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-2792.182585
Energy at 298.15K-2792.190790
Nuclear repulsion energy428.336877
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 B3LYP/3-21G
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 3234 3121 2.45      
2 A1 3219 3106 11.47      
3 A1 3196 3084 0.00      
4 A1 1617 1560 30.52      
5 A1 1542 1488 38.81      
6 A1 1243 1200 0.39      
7 A1 1122 1083 32.38      
8 A1 1067 1030 18.01      
9 A1 1037 1000 0.21      
10 A1 707 682 17.85      
11 A1 326 315 2.13      
12 A2 1031 995 0.00      
13 A2 881 850 0.00      
14 A2 434 419 0.00      
15 B1 1056 1019 1.54      
16 B1 981 946 4.53      
17 B1 802 774 22.43      
18 B1 740 714 64.52      
19 B1 504 487 12.01      
20 B1 181 175 0.58      
21 B2 3230 3117 6.72      
22 B2 3205 3092 7.30      
23 B2 1618 1562 3.44      
24 B2 1501 1448 8.35      
25 B2 1392 1343 1.39      
26 B2 1315 1269 0.25      
27 B2 1231 1187 0.10      
28 B2 1111 1072 3.53      
29 B2 658 635 0.25      
30 B2 257 248 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20218.6 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 19508.9 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 B3LYP/3-21G
ABC
0.19023 0.03241 0.02769

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

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 -0.109
C3 0.000 1.209 -0.796
C4 0.000 -1.209 -0.796
C5 0.000 1.208 -2.192
C6 0.000 -1.208 -2.192
C7 0.000 0.000 -2.894
H8 0.000 2.139 -0.244
H9 0.000 -2.139 -0.244
H10 0.000 2.151 -2.727
H11 0.000 -2.151 -2.727
H12 0.000 0.000 -3.977

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.93232.88442.88444.19314.19314.71692.97452.97455.03235.03235.8003
C21.93231.39011.39012.40792.40792.78462.14332.14333.38753.38753.8680
C32.88441.39012.41731.39652.79092.42131.08193.39302.14823.87473.4033
C42.88441.39012.41732.79091.39652.42133.39301.08193.87472.14823.4033
C54.19312.40791.39652.79092.41561.39682.15973.87281.08383.40082.1552
C64.19312.40792.79091.39652.41561.39683.87282.15973.40081.08382.1552
C74.71692.78462.42132.42131.39681.39683.40573.40572.15732.15731.0834
H82.97452.14331.08193.39302.15973.87283.40574.27822.48274.95654.3029
H92.97452.14333.39301.08193.87282.15973.40574.27824.95652.48274.3029
H105.03233.38752.14823.87471.08383.40082.15732.48274.95654.30152.4880
H115.03233.38753.87472.14823.40081.08382.15734.95652.48274.30152.4880
H125.80033.86803.40333.40332.15522.15521.08344.30294.30292.48802.4880

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.599 Br1 C2 C4 119.599
C2 C3 C5 119.563 C2 C3 H8 119.718
C2 C4 C6 119.563 C2 C4 H9 119.718
C3 C2 C4 120.802 C3 C5 C7 120.187
C3 C5 H10 119.493 C4 C6 C7 120.187
C4 C6 H11 119.493 C5 C3 H8 120.719
C5 C7 C6 119.698 C5 C7 H12 120.151
C6 C4 H9 120.719 C6 C7 H12 120.151
C7 C5 H10 120.320 C7 C6 H11 120.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.178      
2 C -0.334      
3 C -0.149      
4 C -0.149      
5 C -0.181      
6 C -0.181      
7 C -0.188      
8 H 0.208      
9 H 0.208      
10 H 0.196      
11 H 0.196      
12 H 0.193      


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 -1.565 1.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.253 0.000 0.000
y 0.000 -47.372 0.000
z 0.000 0.000 -47.769
Traceless
 xyz
x -9.683 0.000 0.000
y 0.000 5.139 0.000
z 0.000 0.000 4.544
Polar
3z2-r29.087
x2-y2-9.881
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.726 0.000 0.000
y 0.000 10.296 0.000
z 0.000 0.000 15.207


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