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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-48.879898
Energy at 298.15K-48.888304
Nuclear repulsion energy129.121526
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 HF/CEP-121G
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 3380 3085 6.27      
2 A1 3362 3068 27.87      
3 A1 3333 3041 0.00      
4 A1 1748 1595 27.89      
5 A1 1619 1477 43.48      
6 A1 1299 1185 0.00      
7 A1 1158 1056 19.97      
8 A1 1101 1004 44.25      
9 A1 1073 979 0.00      
10 A1 720 657 25.03      
11 A1 325 297 2.31      
12 A2 1120 1022 0.00      
13 A2 968 883 0.00      
14 A2 456 416 0.00      
15 B1 1132 1033 0.23      
16 B1 1050 958 5.10      
17 B1 847 773 107.57      
18 B1 752 686 17.75      
19 B1 519 474 13.29      
20 B1 185 169 0.74      
21 B2 3376 3081 21.19      
22 B2 3346 3053 15.25      
23 B2 1749 1596 1.61      
24 B2 1578 1440 12.87      
25 B2 1452 1325 1.15      
26 B2 1334 1217 1.01      
27 B2 1247 1138 0.73      
28 B2 1167 1065 2.93      
29 B2 673 614 0.33      
30 B2 261 238 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21165.2 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 19313.2 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 HF/CEP-121G
ABC
0.18821 0.03220 0.02749

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.830
C2 0.000 0.000 -0.118
C3 0.000 1.220 -0.798
C4 0.000 -1.220 -0.798
C5 0.000 1.213 -2.200
C6 0.000 -1.213 -2.200
C7 0.000 0.000 -2.902
H8 0.000 2.146 -0.256
H9 0.000 -2.146 -0.256
H10 0.000 2.145 -2.733
H11 0.000 -2.145 -2.733
H12 0.000 0.000 -3.976

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.94742.89712.89714.20824.20824.73142.99222.99225.04215.04215.8057
C21.94741.39691.39692.40962.40962.78392.15002.15003.38283.38283.8582
C32.89711.39692.44011.40212.80772.43191.07253.40892.14503.88223.4041
C42.89711.39692.44012.80771.40212.43193.40891.07253.88222.14503.4041
C54.20822.40961.40212.80772.42501.40092.15633.88011.07453.40002.1504
C64.20822.40962.80771.40212.42501.40093.88012.15633.40001.07452.1504
C74.73142.78392.43192.43191.40091.40093.40633.40632.15212.15211.0743
H82.99222.15001.07253.40892.15633.88013.40634.29102.47714.95474.2943
H92.99222.15003.40891.07253.88012.15633.40634.29104.95472.47714.2943
H105.04213.38282.14503.88221.07453.40002.15212.47714.95474.29092.4794
H115.04213.38283.88222.14503.40001.07452.15214.95472.47714.29092.4794
H125.80573.85823.40413.40412.15042.15041.07434.29434.29432.47942.4794

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.143 Br1 C2 C4 119.143
C2 C3 C5 118.833 C2 C3 H8 120.502
C2 C4 C6 118.833 C2 C4 H9 120.502
C3 C2 C4 121.715 C3 C5 C7 120.365
C3 C5 H10 119.435 C4 C6 C7 120.365
C4 C6 H11 119.435 C5 C3 H8 120.665
C5 C7 C6 119.889 C5 C7 H12 120.055
C6 C4 H9 120.665 C6 C7 H12 120.055
C7 C5 H10 120.200 C7 C6 H11 120.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.154      
2 C -0.434      
3 C -0.114      
4 C -0.114      
5 C -0.145      
6 C -0.145      
7 C -0.189      
8 H 0.216      
9 H 0.216      
10 H 0.184      
11 H 0.184      
12 H 0.187      


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 -2.331 2.331
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.446 0.000 0.000
y 0.000 -44.796 0.000
z 0.000 0.000 -46.417
Traceless
 xyz
x -9.840 0.000 0.000
y 0.000 6.135 0.000
z 0.000 0.000 3.705
Polar
3z2-r27.410
x2-y2-10.650
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.648 0.000 0.000
y 0.000 11.187 0.000
z 0.000 0.000 16.171


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