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All results from a given calculation for C6H5Cl (chlorobenzene)

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-51.434568
Energy at 298.15K-51.439785
HF Energy-50.530152
Nuclear repulsion energy130.575756
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/CEP-121G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3232 3080 3.59      
2 A 3230 3077 10.20      
3 A 3223 3071 15.16      
4 A 3211 3059 9.20      
5 A 3202 3051 0.16      
6 A 1620 1544 2.72      
7 A 1619 1543 25.26      
8 A 1505 1434 43.42      
9 A 1469 1400 6.35      
10 A 1430 1362 0.05      
11 A 1333 1271 0.36      
12 A 1202 1145 0.02      
13 A 1183 1127 0.14      
14 A 1120 1067 40.78      
15 A 1094 1042 5.10      
16 A 1047 997 1.45      
17 A 1034 985 20.18      
18 A 1009 961 2.73      
19 A 941 896 5.19      
20 A 897 854 3.00      
21 A 840 800 0.02      
22 A 748 713 81.82      
23 A 712 679 20.90      
24 A 696 663 25.44      
25 A 615 586 0.29      
26 A 453 432 9.03      
27 A 418 398 2.51      
28 A 399 380 0.07      
29 A 294 280 0.12      
30 A 184 175 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 19978.9 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 19035.9 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/CEP-121G*
ABC
0.18619 0.05165 0.04044

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 2.603 -0.000 -0.000
C2 0.847 0.000 -0.016
C3 0.163 1.227 0.017
C4 0.163 -1.227 0.017
C5 -1.244 1.217 -0.015
C6 -1.244 -1.217 -0.016
C7 -1.950 -0.000 0.015
H8 0.720 2.160 -0.004
H9 0.720 -2.160 -0.004
H10 -1.783 2.163 0.006
H11 -1.783 -2.163 0.007
H12 -3.038 -0.000 -0.010

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.75622.73162.73164.03554.03554.55332.86632.86624.89064.89055.6410
C21.75621.40511.40512.41992.41992.79742.16412.16413.40543.40533.8849
C32.73161.40512.45341.40732.82032.44311.08733.43242.15943.90833.4276
C42.73161.40512.45342.82031.40722.44303.43251.08723.90832.15913.4275
C54.03552.41991.40732.82032.43491.40762.17843.90701.08843.42302.1678
C64.03552.41992.82031.40722.43491.40763.90712.17823.42311.08842.1677
C74.55332.79742.44312.44301.40761.40763.43423.43412.16932.16931.0880
H82.86632.16411.08733.43252.17843.90713.43424.32052.50274.99524.3341
H92.86622.16413.43241.08723.90702.17823.43414.32054.99522.50244.3339
H104.89063.40542.15943.90831.08843.42312.16932.50274.99524.32572.5005
H114.89053.40533.90832.15913.42301.08842.16934.99522.50244.32572.5004
H125.64103.88493.42763.42752.16782.16771.08804.33414.33392.50052.5004

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.139 Cl1 C2 C4 119.136
C2 C3 C5 118.733 C2 C3 H8 119.982
C2 C4 C6 118.732 C2 C4 H9 119.983
C3 C2 C4 121.623 C3 C5 C7 120.429
C3 C5 H10 119.266 C4 C6 C7 120.432
C4 C6 H11 119.256 C5 C3 H8 121.141
C5 C7 C6 119.743 C5 C7 H12 120.060
C6 C4 H9 121.143 C6 C7 H12 120.052
C7 C5 H10 120.167 C7 C6 H11 120.170
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability