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All results from a given calculation for C6H5Cl (chlorobenzene)

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-690.651400
Energy at 298.15K 
HF Energy-689.693832
Nuclear repulsion energy315.565636
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/TZVP
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 3254 3084 3.27      
2 A1 3243 3075 8.48      
3 A1 3222 3054 0.14      
4 A1 1634 1548 24.58      
5 A1 1517 1438 40.80      
6 A1 1209 1146 0.00      
7 A1 1122 1064 35.21      
8 A1 1047 992 12.47      
9 A1 998 946 9.72      
10 A1 716 679 18.36      
11 A1 420 398 2.40      
12 A2 725 687 0.00      
13 A2 604 573 0.00      
14 A2 249i 236i 0.00      
15 B1 775 735 2.02      
16 B1 685 649 40.80      
17 B1 629 596 55.11      
18 B1 206 196 1.10      
19 B1 135i 128i 0.06      
20 B1 1863i 1766i 0.01      
21 B2 3250 3081 5.58      
22 B2 3231 3063 6.13      
23 B2 1634 1549 2.67      
24 B2 1482 1404 5.16      
25 B2 1435 1360 0.05      
26 B2 1337 1267 0.19      
27 B2 1193 1131 0.12      
28 B2 1104 1047 4.82      
29 B2 620 588 0.23      
30 B2 296 280 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 17670.7 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 16750.1 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/TZVP
ABC
0.19026 0.05231 0.04103

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.252
C2 0.000 0.000 0.516
C3 0.000 1.209 -0.176
C4 0.000 -1.209 -0.176
C5 0.000 1.203 -1.569
C6 0.000 -1.203 -1.569
C7 0.000 0.000 -2.269
H8 0.000 2.141 0.372
H9 0.000 -2.141 0.372
H10 0.000 2.143 -2.104
H11 0.000 -2.143 -2.104
H12 0.000 0.000 -3.351

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.73602.71232.71234.00514.00514.52092.84872.84874.85474.85475.6030
C21.73601.39281.39282.40652.40652.78492.14552.14553.38503.38503.8670
C32.71231.39282.41731.39212.78462.41671.08143.39402.14253.86683.3971
C42.71231.39282.41732.78461.39212.41673.39401.08143.86682.14253.3971
C54.00512.40651.39212.78462.40601.39222.15533.86601.08223.38892.1507
C64.00512.40652.78461.39212.40601.39223.86602.15533.38891.08222.1507
C74.52092.78492.41672.41671.39221.39223.39993.39992.14962.14961.0821
H82.84872.14551.08143.39402.15533.86603.39994.28132.47654.94824.2949
H92.84872.14553.39401.08143.86602.15533.39994.28134.94822.47654.2949
H104.85473.38502.14253.86681.08223.38892.14962.47654.94824.28652.4796
H114.85473.38503.86682.14253.38891.08222.14964.94822.47654.28652.4796
H125.60303.86703.39713.39712.15072.15071.08214.29494.29492.47962.4796

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.797 Cl1 C2 C4 119.797
C2 C3 C5 119.563 C2 C3 H8 119.722
C2 C4 C6 119.563 C2 C4 H9 119.722
C3 C2 C4 120.406 C3 C5 C7 120.454
C3 C5 H10 119.444 C4 C6 C7 120.454
C4 C6 H11 119.444 C5 C3 H8 120.715
C5 C7 C6 119.561 C5 C7 H12 120.220
C6 C4 H9 120.715 C6 C7 H12 120.220
C7 C5 H10 120.102 C7 C6 H11 120.102
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability