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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G
 hartrees
Energy at 0K-2789.471669
Energy at 298.15K-2789.479784
Nuclear repulsion energy425.717013
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 MP2=FULL/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 3233 3087 3.88      
2 A1 3218 3072 9.44      
3 A1 3194 3050 0.00      
4 A1 1595 1523 29.17      
5 A1 1538 1469 26.10      
6 A1 1257 1200 0.82      
7 A1 1128 1077 26.09      
8 A1 1068 1019 11.95      
9 A1 1021 974 0.45      
10 A1 707 675 11.46      
11 A1 326 311 0.91      
12 A2 970 926 0.00      
13 A2 863 824 0.00      
14 A2 427 408 0.00      
15 B1 950 907 4.30      
16 B1 931 889 2.61      
17 B1 773 738 46.02      
18 B1 709 677 43.69      
19 B1 494 472 11.29      
20 B1 179 171 0.67      
21 B2 3228 3082 8.71      
22 B2 3204 3059 5.31      
23 B2 1592 1520 3.90      
24 B2 1492 1425 7.41      
25 B2 1395 1332 1.42      
26 B2 1322 1263 0.05      
27 B2 1241 1185 0.12      
28 B2 1101 1052 2.28      
29 B2 658 628 0.20      
30 B2 255 244 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20033.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 19128.1 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 MP2=FULL/3-21G
ABC
0.18855 0.03195 0.02732

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.836
C2 0.000 0.000 -0.107
C3 0.000 1.213 -0.803
C4 0.000 -1.213 -0.803
C5 0.000 1.215 -2.208
C6 0.000 -1.215 -2.208
C7 0.000 0.000 -2.916
H8 0.000 2.146 -0.250
H9 0.000 -2.146 -0.250
H10 0.000 2.161 -2.743
H11 0.000 -2.161 -2.743
H12 0.000 0.000 -4.002

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.94272.90412.90414.22254.22254.75162.99332.99335.06265.06265.8378
C21.94271.39831.39832.42712.42712.80882.15122.15123.40813.40813.8950
C32.90411.39832.42551.40522.80492.43611.08493.40432.15893.89133.4212
C42.90411.39832.42552.80491.40522.43613.40431.08493.89132.15893.4212
C54.22252.42711.40522.80492.42941.40582.16813.88971.08653.41742.1664
C64.22252.42712.80491.40522.42941.40583.88972.16813.41741.08652.1664
C74.75162.80882.43612.43611.40581.40583.42213.42212.16762.16761.0862
H82.99332.15121.08493.40432.16813.88973.42214.29292.49214.97614.3221
H92.99332.15123.40431.08493.88972.16813.42214.29294.97612.49214.3221
H105.06263.40812.15893.89131.08653.41742.16762.49214.97614.32142.5009
H115.06263.40813.89132.15893.41741.08652.16764.97612.49214.32142.5009
H125.83783.89503.42123.42122.16642.16641.08624.32214.32212.50092.5009

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.853 Br1 C2 C4 119.853
C2 C3 C5 119.932 C2 C3 H8 119.534
C2 C4 C6 119.932 C2 C4 H9 119.534
C3 C2 C4 120.294 C3 C5 C7 120.142
C3 C5 H10 119.543 C4 C6 C7 120.142
C4 C6 H11 119.543 C5 C3 H8 120.533
C5 C7 C6 119.557 C5 C7 H12 120.221
C6 C4 H9 120.533 C6 C7 H12 120.221
C7 C5 H10 120.316 C7 C6 H11 120.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability