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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-243.501519
Energy at 298.15K-243.509234
Nuclear repulsion energy236.097723
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/LANL2DZ
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 3216 3097 17.73      
2 A1 3195 3077 13.77      
3 A1 3170 3053 0.05      
4 A1 1586 1527 25.38      
5 A1 1487 1432 31.47      
6 A1 1219 1174 0.07      
7 A1 1071 1031 10.50      
8 A1 1023 985 33.45      
9 A1 993 957 0.24      
10 A1 663 639 14.45      
11 A1 300 289 0.91      
12 A2 862 830 0.00      
13 A2 790 760 0.00      
14 A2 394 380 0.00      
15 B1 881 849 0.02      
16 B1 828 797 1.60      
17 B1 716 690 108.10      
18 B1 647 623 14.85      
19 B1 453 436 15.04      
20 B1 160 154 0.84      
21 B2 3206 3087 32.15      
22 B2 3181 3064 3.97      
23 B2 1587 1528 2.69      
24 B2 1452 1398 6.15      
25 B2 1360 1310 0.21      
26 B2 1340 1290 0.09      
27 B2 1198 1153 0.06      
28 B2 1081 1041 4.41      
29 B2 620 597 0.34      
30 B2 238 230 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19457.0 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 18739.1 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/LANL2DZ
ABC
0.18223 0.03099 0.02649

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.865
C2 0.000 0.000 -0.115
C3 0.000 1.239 -0.816
C4 0.000 -1.239 -0.816
C5 0.000 1.232 -2.242
C6 0.000 -1.232 -2.242
C7 0.000 0.000 -2.958
H8 0.000 2.186 -0.269
H9 0.000 -2.186 -0.269
H10 0.000 2.183 -2.782
H11 0.000 -2.183 -2.782
H12 0.000 0.000 -4.052

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.97972.95352.95354.28754.28754.82273.05513.05515.13465.13465.9168
C21.97971.42371.42372.45802.45802.84302.19172.19173.44723.44723.9371
C32.95351.42372.47811.42572.85272.47431.09383.46872.18123.94703.4649
C42.95351.42372.47812.85271.42572.47433.46871.09383.94702.18123.4649
C54.28752.45801.42572.85272.46371.42482.19143.94651.09443.45782.1895
C64.28752.45802.85271.42572.46371.42483.94652.19143.45781.09442.1895
C74.82272.84302.47432.47431.42481.42483.46543.46542.19052.19051.0941
H83.05512.19171.09383.46872.19143.94653.46544.37252.51325.04094.3691
H93.05512.19173.46871.09383.94652.19143.46544.37255.04092.51324.3691
H105.13463.44722.18123.94701.09443.45782.19052.51325.04094.36692.5257
H115.13463.44723.94702.18123.45781.09442.19055.04092.51324.36692.5257
H125.91683.93713.46493.46492.18952.18951.09414.36914.36912.52572.5257

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.510 Br1 C2 C4 119.510
C2 C3 C5 119.222 C2 C3 H8 120.483
C2 C4 C6 119.222 C2 C4 H9 120.483
C3 C2 C4 120.979 C3 C5 C7 120.455
C3 C5 H10 119.310 C4 C6 C7 120.455
C4 C6 H11 119.310 C5 C3 H8 120.295
C5 C7 C6 119.667 C5 C7 H12 120.167
C6 C4 H9 120.295 C6 C7 H12 120.167
C7 C5 H10 120.235 C7 C6 H11 120.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability