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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: B3PW91/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 B3PW91/STO-3G
 hartrees
Energy at 0K-2774.793479
Energy at 298.15K-2774.801210
Nuclear repulsion energy428.160307
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 B3PW91/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 3502 3099 4.57      
2 A1 3487 3086 8.60      
3 A1 3471 3072 0.53      
4 A1 1749 1548 23.01      
5 A1 1617 1431 54.58      
6 A1 1264 1119 0.11      
7 A1 1196 1058 38.64      
8 A1 1108 980 1.46      
9 A1 1058 936 4.72      
10 A1 729 645 11.38      
11 A1 349 309 0.99      
12 A2 1043 923 0.00      
13 A2 902 798 0.00      
14 A2 426 377 0.00      
15 B1 1061 939 0.07      
16 B1 973 861 1.68      
17 B1 786 696 30.19      
18 B1 738 653 6.89      
19 B1 486 431 1.63      
20 B1 179 159 0.02      
21 B2 3492 3090 19.33      
22 B2 3479 3079 0.10      
23 B2 1731 1532 3.64      
24 B2 1570 1390 10.57      
25 B2 1414 1251 0.13      
26 B2 1347 1192 0.09      
27 B2 1247 1104 0.12      
28 B2 1160 1027 0.34      
29 B2 650 575 0.06      
30 B2 258 228 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 21236.0 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 18793.9 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 B3PW91/STO-3G
ABC
0.18689 0.03259 0.02775

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.814
C2 0.000 0.000 -0.077
C3 0.000 1.221 -0.786
C4 0.000 -1.221 -0.786
C5 0.000 1.215 -2.190
C6 0.000 -1.215 -2.190
C7 0.000 0.000 -2.896
H8 0.000 2.172 -0.239
H9 0.000 -2.172 -0.239
H10 0.000 2.168 -2.735
H11 0.000 -2.168 -2.735
H12 0.000 0.000 -3.993

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.89072.87272.87274.18454.18454.70982.98862.98865.03895.03895.8067
C21.89071.41241.41242.43782.43782.81912.17832.17833.43003.43003.9160
C32.87271.41242.44261.40412.81182.43761.09733.43742.16633.90943.4312
C42.87271.41242.44262.81181.40412.43763.43741.09733.90942.16633.4312
C54.18452.43781.40412.81182.42971.40492.17383.90911.09763.42622.1736
C64.18452.43782.81181.40412.42971.40493.90912.17383.42621.09762.1736
C74.70982.81912.43762.43761.40491.40493.43213.43212.17382.17381.0969
H82.98862.17831.09733.43742.17383.90913.43214.34452.49615.00674.3373
H92.98862.17833.43741.09733.90912.17383.43214.34455.00672.49614.3373
H105.03893.43002.16633.90941.09763.42622.17382.49615.00674.33572.5064
H115.03893.43003.90942.16633.42621.09762.17385.00672.49614.33572.5064
H125.80673.91603.43123.43122.17362.17361.09694.33734.33732.50642.5064

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 120.155 Br1 C2 C4 120.155
C2 C3 C5 119.891 C2 C3 H8 119.910
C2 C4 C6 119.891 C2 C4 H9 119.910
C3 C2 C4 119.691 C3 C5 C7 120.410
C3 C5 H10 119.475 C4 C6 C7 120.410
C4 C6 H11 119.475 C5 C3 H8 120.199
C5 C7 C6 119.707 C5 C7 H12 120.146
C6 C4 H9 120.199 C6 C7 H12 120.146
C7 C5 H10 120.115 C7 C6 H11 120.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.027      
2 C -0.063      
3 C -0.084      
4 C -0.084      
5 C -0.080      
6 C -0.080      
7 C -0.084      
8 H 0.091      
9 H 0.091      
10 H 0.088      
11 H 0.088      
12 H 0.087      


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 -1.133 1.133
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.784 0.000 0.000
y 0.000 -45.281 0.000
z 0.000 0.000 -46.580
Traceless
 xyz
x -4.853 0.000 0.000
y 0.000 3.401 0.000
z 0.000 0.000 1.453
Polar
3z2-r22.905
x2-y2-5.503
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.074 0.000 0.000
y 0.000 7.023 0.000
z 0.000 0.000 10.713


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