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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: MP2/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-2803.855107
Energy at 298.15K-2803.863066
HF Energy-2802.658149
Nuclear repulsion energy432.591214
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/aug-cc-pVTZ
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 3237 3085 4.44      
2 A1 3227 3075 4.67      
3 A1 3204 3053 0.07      
4 A1 1614 1538 23.08      
5 A1 1493 1423 32.24      
6 A1 1188 1132 0.01      
7 A1 1098 1046 21.95      
8 A1 1039 990 15.37      
9 A1 1011 964 8.23      
10 A1 680 648 13.79      
11 A1 325 310 0.83      
12 A2 965 920 0.00      
13 A2 840 800 0.00      
14 A2 401 382 0.00      
15 B1 962 916 0.04      
16 B1 904 862 1.18      
17 B1 741 706 69.70      
18 B1 665 633 6.21      
19 B1 457 435 7.87      
20 B1 169 161 0.42      
21 B2 3233 3080 3.17      
22 B2 3214 3062 4.90      
23 B2 1621 1544 1.51      
24 B2 1466 1397 3.88      
25 B2 1456 1388 2.77      
26 B2 1318 1256 0.99      
27 B2 1171 1116 0.07      
28 B2 1090 1039 4.72      
29 B2 612 583 0.19      
30 B2 250 238 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19824.2 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 18890.5 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/aug-cc-pVTZ
ABC
0.18982 0.03337 0.02838

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.789
C2 0.000 0.000 -0.090
C3 0.000 1.215 -0.768
C4 0.000 -1.215 -0.768
C5 0.000 1.206 -2.162
C6 0.000 -1.206 -2.162
C7 0.000 0.000 -2.860
H8 0.000 2.144 -0.216
H9 0.000 -2.144 -0.216
H10 0.000 2.145 -2.698
H11 0.000 -2.145 -2.698
H12 0.000 0.000 -3.941

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.87982.83112.83114.13084.13084.64942.93622.93624.97404.97405.7308
C21.87981.39091.39092.39642.39642.76952.14812.14813.37673.37673.8509
C32.83111.39092.42961.39372.79302.41921.08093.40422.14293.87483.3981
C42.83111.39092.42962.79301.39372.41923.40421.08093.87482.14293.3981
C54.13082.39641.39372.79302.41121.39332.15983.87381.08193.39322.1497
C64.13082.39642.79301.39372.41121.39333.87382.15983.39321.08192.1497
C74.64942.76952.41922.41921.39331.39333.40403.40402.15092.15091.0814
H82.93622.14811.08093.40422.15983.87383.40404.28882.48214.95564.2981
H92.93622.14813.40421.08093.87382.15983.40404.28884.95562.48214.2981
H104.97403.37672.14293.87481.08193.39322.15092.48214.95564.28972.4790
H114.97403.37673.87482.14293.39321.08192.15094.95562.48214.28972.4790
H125.73083.85093.39813.39812.14972.14971.08144.29814.29812.47902.4790

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.145 Br1 C2 C4 119.145
C2 C3 C5 118.767 C2 C3 H8 120.176
C2 C4 C6 118.767 C2 C4 H9 120.176
C3 C2 C4 121.709 C3 C5 C7 120.463
C3 C5 H10 119.377 C4 C6 C7 120.463
C4 C6 H11 119.377 C5 C3 H8 121.057
C5 C7 C6 119.830 C5 C7 H12 120.085
C6 C4 H9 121.057 C6 C7 H12 120.085
C7 C5 H10 120.160 C7 C6 H11 120.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability