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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: PBEPBE/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 PBEPBE/3-21G*
 hartrees
Energy at 0K-2791.703826
Energy at 298.15K-2791.711749
Nuclear repulsion energy428.278363
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/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 3162 3015 2.44      
2 A1 3148 3001 9.74      
3 A1 3125 2980 0.07      
4 A1 1563 1490 22.65      
5 A1 1479 1410 45.48      
6 A1 1200 1145 0.05      
7 A1 1077 1027 31.83      
8 A1 1030 982 15.61      
9 A1 1005 958 0.03      
10 A1 687 655 16.33      
11 A1 320 305 1.88      
12 A2 959 915 0.00      
13 A2 826 788 0.00      
14 A2 410 391 0.00      
15 B1 986 940 0.20      
16 B1 900 858 3.14      
17 B1 739 705 47.84      
18 B1 702 670 47.72      
19 B1 459 438 10.17      
20 B1 169 161 0.76      
21 B2 3157 3011 4.45      
22 B2 3134 2988 6.95      
23 B2 1566 1493 3.17      
24 B2 1450 1383 9.24      
25 B2 1331 1269 1.96      
26 B2 1310 1249 0.00      
27 B2 1195 1140 0.23      
28 B2 1079 1028 4.62      
29 B2 630 600 0.27      
30 B2 241 230 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19519.3 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 18611.7 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/3-21G*
ABC
0.18687 0.03265 0.02779

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.813
C2 0.000 0.000 -0.095
C3 0.000 1.223 -0.783
C4 0.000 -1.223 -0.783
C5 0.000 1.216 -2.188
C6 0.000 -1.216 -2.188
C7 0.000 0.000 -2.892
H8 0.000 2.161 -0.226
H9 0.000 -2.161 -0.226
H10 0.000 2.165 -2.729
H11 0.000 -2.165 -2.729
H12 0.000 0.000 -3.985

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.90792.86972.86974.18164.18164.70552.97102.97105.03205.03205.7979
C21.90791.40311.40312.42052.42052.79762.16482.16483.41003.41003.8900
C32.86971.40312.44521.40482.81412.43801.09123.42902.16243.90693.4272
C42.86971.40312.44522.81411.40482.43803.42901.09123.90692.16243.4272
C54.18162.42051.40482.81412.43161.40522.17783.90521.09283.42392.1696
C64.18162.42052.81411.40482.43161.40523.90522.17783.42391.09282.1696
C74.70552.79762.43802.43801.40521.40523.43213.43212.17122.17121.0924
H82.97102.16481.09123.42902.17783.90523.43214.32172.50354.99814.3358
H92.97102.16483.42901.09123.90522.17783.43214.32174.99812.50354.3358
H105.03203.41002.16243.90691.09283.42392.17122.50354.99814.33012.5027
H115.03203.41003.90692.16243.42391.09282.17124.99812.50354.33012.5027
H125.79793.89003.42723.42722.16962.16961.09244.33584.33582.50272.5027

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.378 Br1 C2 C4 119.378
C2 C3 C5 119.099 C2 C3 H8 119.914
C2 C4 C6 119.099 C2 C4 H9 119.914
C3 C2 C4 121.244 C3 C5 C7 120.370
C3 C5 H10 119.421 C4 C6 C7 120.370
C4 C6 H11 119.421 C5 C3 H8 120.988
C5 C7 C6 119.818 C5 C7 H12 120.091
C6 C4 H9 120.988 C6 C7 H12 120.091
C7 C5 H10 120.208 C7 C6 H11 120.208
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br -0.017      
2 C -0.056      
3 C -0.200      
4 C -0.200      
5 C -0.192      
6 C -0.192      
7 C -0.197      
8 H 0.218      
9 H 0.218      
10 H 0.207      
11 H 0.207      
12 H 0.204      


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 -1.403 1.403
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.289 0.000 0.000
y 0.000 -47.017 0.000
z 0.000 0.000 -46.888
Traceless
 xyz
x -10.337 0.000 0.000
y 0.000 5.071 0.000
z 0.000 0.000 5.265
Polar
3z2-r210.531
x2-y2-10.272
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.631 0.000 0.000
y 0.000 11.122 0.000
z 0.000 0.000 16.018


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