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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-2792.305434
Energy at 298.15K-2792.313342
Nuclear repulsion energy426.184097
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 BLYP/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 3150 3130 2.34      
2 A1 3135 3114 15.84      
3 A1 3112 3092 0.04      
4 A1 1546 1536 19.70      
5 A1 1482 1472 42.47      
6 A1 1203 1195 0.19      
7 A1 1061 1054 34.73      
8 A1 1029 1022 14.78      
9 A1 997 991 1.17      
10 A1 683 678 17.84      
11 A1 310 308 2.53      
12 A2 959 953 0.00      
13 A2 827 821 0.00      
14 A2 414 411 0.00      
15 B1 987 980 0.22      
16 B1 902 896 2.85      
17 B1 740 735 43.58      
18 B1 703 699 36.64      
19 B1 462 459 7.99      
20 B1 168 167 0.57      
21 B2 3146 3126 8.05      
22 B2 3121 3100 9.99      
23 B2 1549 1539 3.44      
24 B2 1454 1445 6.94      
25 B2 1340 1331 2.01      
26 B2 1272 1264 0.10      
27 B2 1200 1192 0.19      
28 B2 1074 1067 3.35      
29 B2 633 629 0.23      
30 B2 240 238 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19447.4 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 19321.0 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 BLYP/3-21G*
ABC
0.18629 0.03223 0.02748

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.827
C2 0.000 0.000 -0.103
C3 0.000 1.225 -0.793
C4 0.000 -1.225 -0.793
C5 0.000 1.218 -2.200
C6 0.000 -1.218 -2.200
C7 0.000 0.000 -2.906
H8 0.000 2.162 -0.238
H9 0.000 -2.162 -0.238
H10 0.000 2.166 -2.741
H11 0.000 -2.166 -2.741
H12 0.000 0.000 -3.997

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.92982.89152.89154.20704.20704.73272.98972.98975.05475.05475.8234
C21.92981.40551.40552.42512.42512.80292.16642.16643.41283.41283.8936
C32.89151.40552.44951.40752.81932.44271.08923.43212.16333.91043.4302
C42.89151.40552.44952.81931.40752.44273.43211.08923.91042.16333.4302
C54.20702.42511.40752.81932.43611.40782.17743.90851.09103.42692.1705
C64.20702.42512.81931.40752.43611.40783.90852.17743.42691.09102.1705
C74.73272.80292.44272.44271.40781.40783.43413.43412.17222.17221.0907
H82.98972.16641.08923.43212.17743.90853.43414.32442.50244.99954.3362
H92.98972.16643.43211.08923.90852.17743.43414.32444.99952.50244.3362
H105.05473.41282.16333.91041.09103.42692.17222.50244.99954.33182.5039
H115.05473.41283.91042.16333.42691.09102.17224.99952.50244.33182.5039
H125.82343.89363.43023.43022.17052.17051.09074.33624.33622.50392.5039

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.379 Br1 C2 C4 119.379
C2 C3 C5 119.106 C2 C3 H8 120.014
C2 C4 C6 119.106 C2 C4 H9 120.014
C3 C2 C4 121.242 C3 C5 C7 120.366
C3 C5 H10 119.413 C4 C6 C7 120.366
C4 C6 H11 119.413 C5 C3 H8 120.880
C5 C7 C6 119.814 C5 C7 H12 120.093
C6 C4 H9 120.880 C6 C7 H12 120.093
C7 C5 H10 120.221 C7 C6 H11 120.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br -0.038      
2 C -0.023      
3 C -0.174      
4 C -0.174      
5 C -0.157      
6 C -0.157      
7 C -0.163      
8 H 0.185      
9 H 0.185      
10 H 0.173      
11 H 0.173      
12 H 0.170      


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 -1.434 1.434
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.960 0.000 0.000
y 0.000 -47.514 0.000
z 0.000 0.000 -47.426
Traceless
 xyz
x -9.490 0.000 0.000
y 0.000 4.679 0.000
z 0.000 0.000 4.811
Polar
3z2-r29.623
x2-y2-9.446
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.597 0.000 0.000
y 0.000 11.165 0.000
z 0.000 0.000 16.127


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