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: B3LYP/6-31G

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/6-31G
 hartrees
Energy at 0K-2803.170934
Energy at 298.15K-2803.179035
Nuclear repulsion energy426.847803
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/6-31G
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 3241 3118 3.48      
2 A1 3224 3102 20.36      
3 A1 3200 3078 0.00      
4 A1 1638 1575 28.39      
5 A1 1537 1478 38.31      
6 A1 1234 1187 0.00      
7 A1 1104 1062 18.78      
8 A1 1055 1015 33.40      
9 A1 1035 996 5.67      
10 A1 689 663 24.11      
11 A1 311 300 3.61      
12 A2 1019 980 0.00      
13 A2 881 847 0.00      
14 A2 434 417 0.00      
15 B1 1051 1011 0.74      
16 B1 968 931 3.34      
17 B1 788 758 43.67      
18 B1 731 703 35.78      
19 B1 490 471 9.35      
20 B1 181 174 0.32      
21 B2 3237 3114 11.53      
22 B2 3210 3088 12.64      
23 B2 1648 1586 2.64      
24 B2 1504 1447 7.44      
25 B2 1379 1327 1.17      
26 B2 1363 1311 0.20      
27 B2 1223 1176 0.11      
28 B2 1116 1074 3.53      
29 B2 646 622 0.27      
30 B2 234 225 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 20184.3 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 19417.3 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/6-31G
ABC
0.18836 0.03224 0.02753

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.829
C2 0.000 0.000 -0.121
C3 0.000 1.218 -0.797
C4 0.000 -1.218 -0.797
C5 0.000 1.212 -2.197
C6 0.000 -1.212 -2.197
C7 0.000 0.000 -2.899
H8 0.000 2.149 -0.244
H9 0.000 -2.149 -0.244
H10 0.000 2.154 -2.736
H11 0.000 -2.154 -2.736
H12 0.000 0.000 -3.984

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.94952.89442.89444.20444.20444.72712.98612.98615.04705.04705.8121
C21.94951.39301.39302.40422.40422.77772.15302.15303.38783.38783.8626
C32.89441.39302.43551.40022.80412.42871.08343.41232.15283.88933.4111
C42.89441.39302.43552.80411.40022.42873.41231.08343.88932.15283.4111
C54.20442.40421.40022.80412.42351.40002.16663.88751.08523.40862.1584
C64.20442.40422.80411.40022.42351.40003.88752.16663.40861.08522.1584
C74.72712.77772.42872.42871.40001.40003.41553.41552.16022.16021.0849
H82.98612.15301.08343.41232.16663.88753.41554.29892.49154.97264.3130
H92.98612.15303.41231.08343.88752.16663.41554.29894.97262.49154.3130
H105.04703.38782.15283.88931.08523.40862.16022.49154.97264.30802.4893
H115.04703.38783.88932.15283.40861.08522.16024.97262.49154.30802.4893
H125.81213.86263.41113.41112.15842.15841.08494.31304.31302.48932.4893

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.046 Br1 C2 C4 119.046
C2 C3 C5 118.801 C2 C3 H8 120.265
C2 C4 C6 118.801 C2 C4 H9 120.265
C3 C2 C4 121.908 C3 C5 C7 120.300
C3 C5 H10 119.495 C4 C6 C7 120.300
C4 C6 H11 119.495 C5 C3 H8 120.934
C5 C7 C6 119.890 C5 C7 H12 120.055
C6 C4 H9 120.934 C6 C7 H12 120.055
C7 C5 H10 120.205 C7 C6 H11 120.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.114      
2 C -0.290      
3 C -0.086      
4 C -0.086      
5 C -0.123      
6 C -0.123      
7 C -0.120      
8 H 0.152      
9 H 0.152      
10 H 0.137      
11 H 0.137      
12 H 0.134      


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 -2.019 2.019
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.453 0.000 0.000
y 0.000 -47.610 0.000
z 0.000 0.000 -48.766
Traceless
 xyz
x -8.266 0.000 0.000
y 0.000 5.000 0.000
z 0.000 0.000 3.266
Polar
3z2-r26.532
x2-y2-8.844
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.277 0.000 0.000
y 0.000 10.817 0.000
z 0.000 0.000 15.820


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