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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-2791.464012
Energy at 298.15K-2791.472047
Nuclear repulsion energy426.864242
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 3164 3136 2.15      
2 A1 3149 3120 9.81      
3 A1 3126 3098 0.01      
4 A1 1571 1556 34.60      
5 A1 1491 1477 41.67      
6 A1 1206 1195 0.35      
7 A1 1097 1087 32.69      
8 A1 1035 1026 19.02      
9 A1 1010 1001 0.11      
10 A1 687 681 17.55      
11 A1 322 319 2.18      
12 A2 980 971 0.00      
13 A2 840 833 0.00      
14 A2 416 412 0.00      
15 B1 1004 994 1.67      
16 B1 932 924 4.78      
17 B1 770 763 20.18      
18 B1 711 705 71.75      
19 B1 484 480 13.76      
20 B1 175 173 0.68      
21 B2 3160 3131 5.76      
22 B2 3135 3106 6.41      
23 B2 1574 1560 3.41      
24 B2 1452 1439 8.53      
25 B2 1342 1330 1.33      
26 B2 1322 1310 0.08      
27 B2 1195 1184 0.20      
28 B2 1081 1071 4.57      
29 B2 633 628 0.29      
30 B2 251 249 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19657.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 19478.9 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 PBEPBE/3-21G
ABC
0.18804 0.03226 0.02753

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 1.826
C2 0.000 0.000 -0.104
C3 0.000 1.216 -0.794
C4 0.000 -1.216 -0.794
C5 0.000 1.214 -2.199
C6 0.000 -1.214 -2.199
C7 0.000 0.000 -2.904
H8 0.000 2.153 -0.236
H9 0.000 -2.153 -0.236
H10 0.000 2.165 -2.737
H11 0.000 -2.165 -2.737
H12 0.000 0.000 -3.997

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.93022.88862.88864.20394.20394.73052.98092.98095.05075.05075.8228
C21.93021.39791.39792.42102.42102.80022.15682.15683.40883.40883.8926
C32.88861.39792.43141.40432.80662.43521.09093.41452.16233.89933.4254
C42.88861.39792.43142.80661.40432.43523.41451.09093.89932.16233.4254
C54.20392.42101.40432.80662.42861.40452.17573.89741.09273.42212.1698
C64.20392.42102.80661.40432.42861.40453.89742.17573.42211.09272.1698
C74.73052.80022.43522.43521.40451.40453.42873.42872.17172.17171.0924
H82.98092.15681.09093.41452.17573.89743.42874.30562.50124.99014.3335
H92.98092.15683.41451.09093.89742.17573.42874.30564.99012.50124.3335
H105.05073.40882.16233.89931.09273.42212.17172.50124.99014.33052.5051
H115.05073.40883.89932.16233.42211.09272.17174.99012.50124.33052.5051
H125.82283.89263.42543.42542.16982.16981.09244.33354.33352.50512.5051

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.584 Br1 C2 C4 119.584
C2 C3 C5 119.526 C2 C3 H8 119.622
C2 C4 C6 119.526 C2 C4 H9 119.622
C3 C2 C4 120.832 C3 C5 C7 120.224
C3 C5 H10 119.457 C4 C6 C7 120.224
C4 C6 H11 119.457 C5 C3 H8 120.852
C5 C7 C6 119.667 C5 C7 H12 120.166
C6 C4 H9 120.852 C6 C7 H12 120.166
C7 C5 H10 120.319 C7 C6 H11 120.319
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 0.193      
2 C -0.348      
3 C -0.157      
4 C -0.157      
5 C -0.192      
6 C -0.192      
7 C -0.199      
8 H 0.217      
9 H 0.217      
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 -1.452 1.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.452 0.000 0.000
y 0.000 -47.128 0.000
z 0.000 0.000 -47.356
Traceless
 xyz
x -10.210 0.000 0.000
y 0.000 5.276 0.000
z 0.000 0.000 4.934
Polar
3z2-r29.868
x2-y2-10.324
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.813 0.000 0.000
y 0.000 10.534 0.000
z 0.000 0.000 15.696


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