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All results from a given calculation for C6H5Cl (chlorobenzene)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-690.709021
Energy at 298.15K-690.714291
HF Energy-689.628870
Nuclear repulsion energy315.927729
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 MP2/6-31G(2df,p)
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 3264 3083 2.11      
2 A1 3254 3074 4.59      
3 A1 3233 3054 0.09      
4 A1 1626 1535 18.93      
5 A1 1507 1423 43.87      
6 A1 1204 1137 0.12      
7 A1 1127 1064 37.14      
8 A1 1047 989 10.06      
9 A1 1007 951 8.24      
10 A1 714 675 19.21      
11 A1 421 397 1.95      
12 A2 948 895 0.00      
13 A2 852 805 0.00      
14 A2 410 387 0.00      
15 B1 971 917 0.10      
16 B1 911 860 2.00      
17 B1 759 717 58.86      
18 B1 676 638 5.19      
19 B1 477 450 5.14      
20 B1 190 180 0.04      
21 B2 3261 3080 1.39      
22 B2 3242 3062 4.54      
23 B2 1631 1540 2.15      
24 B2 1473 1392 6.74      
25 B2 1460 1379 0.71      
26 B2 1324 1251 0.39      
27 B2 1187 1121 0.12      
28 B2 1101 1040 3.76      
29 B2 612 578 0.22      
30 B2 297 281 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 20092.4 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 18977.3 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 MP2/6-31G(2df,p)
ABC
0.18957 0.05265 0.04121

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.245
C2 0.000 0.000 0.508
C3 0.000 1.215 -0.171
C4 0.000 -1.215 -0.171
C5 0.000 1.206 -1.565
C6 0.000 -1.206 -1.565
C7 0.000 0.000 -2.265
H8 0.000 2.145 0.384
H9 0.000 -2.145 0.384
H10 0.000 2.148 -2.102
H11 0.000 -2.148 -2.102
H12 0.000 0.000 -3.348

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.73662.70472.70473.99663.99664.50952.83972.83974.84884.84885.5929
C21.73661.39241.39242.39902.39902.77292.14832.14833.38053.38053.8563
C32.70471.39242.43041.39392.79392.42031.08273.40542.14433.87773.4010
C42.70471.39242.43042.79391.39392.42033.40541.08273.87772.14433.4010
C53.99662.39901.39392.79392.41241.39422.16333.87651.08383.39652.1523
C63.99662.39902.79391.39392.41241.39423.87652.16333.39651.08382.1523
C74.50952.77292.42032.42031.39421.39423.40783.40782.15372.15371.0833
H82.83972.14831.08273.40542.16333.87653.40784.28942.48614.96034.3041
H92.83972.14833.40541.08273.87652.16333.40784.28944.96032.48614.3041
H104.84883.38052.14433.87771.08383.39652.15372.48614.96034.29532.4827
H114.84883.38053.87772.14433.39651.08382.15374.96032.48614.29532.4827
H125.59293.85633.40103.40102.15232.15231.08334.30414.30412.48272.4827

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.222 Cl1 C2 C4 119.222
C2 C3 C5 118.853 C2 C3 H8 119.929
C2 C4 C6 118.853 C2 C4 H9 119.929
C3 C2 C4 121.555 C3 C5 C7 120.471
C3 C5 H10 119.332 C4 C6 C7 120.471
C4 C6 H11 119.332 C5 C3 H8 121.218
C5 C7 C6 119.796 C5 C7 H12 120.102
C6 C4 H9 121.218 C6 C7 H12 120.102
C7 C5 H10 120.197 C7 C6 H11 120.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability