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All results from a given calculation for C6H5Cl (chlorobenzene)

using model chemistry: MP2=FULL/3-21G*

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=FULL/3-21G*
 hartrees
Energy at 0K-686.916054
Energy at 298.15K-686.921318
HF Energy-686.237357
Nuclear repulsion energy312.973209
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=FULL/3-21G*
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 3231 3063 4.38      
2 A1 3217 3049 7.16      
3 A1 3196 3030 0.00      
4 A1 1589 1506 18.18      
5 A1 1529 1449 38.20      
6 A1 1247 1182 0.16      
7 A1 1114 1056 42.70      
8 A1 1061 1005 6.18      
9 A1 1018 965 1.83      
10 A1 724 687 19.54      
11 A1 418 397 4.53      
12 A2 932 884 0.00      
13 A2 838 794 0.00      
14 A2 419 398 0.00      
15 B1 932 883 0.02      
16 B1 886 840 2.55      
17 B1 742 704 95.28      
18 B1 668 633 4.81      
19 B1 475 450 9.21      
20 B1 191 181 0.16      
21 B2 3224 3057 5.50      
22 B2 3205 3038 5.13      
23 B2 1588 1505 3.94      
24 B2 1494 1417 7.32      
25 B2 1386 1314 0.89      
26 B2 1313 1245 0.10      
27 B2 1241 1176 0.12      
28 B2 1102 1044 2.54      
29 B2 654 620 0.21      
30 B2 299 284 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 19966.1 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 18927.8 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=FULL/3-21G*
ABC
0.18706 0.05143 0.04034

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.274
C2 0.000 0.000 0.510
C3 0.000 1.222 -0.177
C4 0.000 -1.222 -0.177
C5 0.000 1.216 -1.583
C6 0.000 -1.216 -1.583
C7 0.000 0.000 -2.289
H8 0.000 2.155 0.379
H9 0.000 -2.155 0.379
H10 0.000 2.160 -2.121
H11 0.000 -2.160 -2.121
H12 0.000 0.000 -3.375

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.76402.73852.73854.04384.04384.56252.86952.86954.89664.89665.6486
C21.76401.40171.40172.42042.42042.79852.15862.15863.40373.40373.8846
C32.73851.40172.44401.40582.81472.43981.08563.42202.15823.90103.4234
C42.73851.40172.44402.81471.40582.43983.42201.08563.90102.15823.4234
C54.04382.42041.40582.81472.43291.40652.17433.90021.08643.41952.1659
C64.04382.42042.81471.40582.43291.40653.90022.17433.41951.08642.1659
C74.56252.79852.43982.43981.40651.40653.42893.42892.16702.16701.0861
H82.86952.15861.08563.42202.17433.90023.42894.30932.49914.98664.3280
H92.86952.15863.42201.08563.90022.17433.42894.30934.98662.49914.3280
H104.89663.40372.15823.90101.08643.41952.16702.49914.98664.32102.4983
H114.89663.40373.90102.15823.41951.08642.16704.98662.49914.32102.4983
H125.64863.88463.42343.42342.16592.16591.08614.32804.32802.49832.4983

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.335 Cl1 C2 C4 119.335
C2 C3 C5 119.109 C2 C3 H8 119.879
C2 C4 C6 119.109 C2 C4 H9 119.879
C3 C2 C4 121.331 C3 C5 C7 120.354
C3 C5 H10 119.437 C4 C6 C7 120.354
C4 C6 H11 119.437 C5 C3 H8 121.011
C5 C7 C6 119.743 C5 C7 H12 120.128
C6 C4 H9 121.011 C6 C7 H12 120.128
C7 C5 H10 120.209 C7 C6 H11 120.209
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability