return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H5Cl (chlorobenzene)

using model chemistry: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-691.852927
Energy at 298.15K-691.858206
Nuclear repulsion energy314.543583
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 B3LYP/6-31G**
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 3222 3096 0.98      
2 A1 3209 3083 17.54      
3 A1 3187 3062 0.08      
4 A1 1640 1576 23.09      
5 A1 1520 1461 42.18      
6 A1 1202 1155 0.03      
7 A1 1105 1062 41.89      
8 A1 1048 1007 14.89      
9 A1 1014 974 8.41      
10 A1 710 682 26.55      
11 A1 415 399 4.91      
12 A2 970 932 0.00      
13 A2 844 811 0.00      
14 A2 418 402 0.00      
15 B1 997 958 0.16      
16 B1 916 880 2.54      
17 B1 756 726 50.26      
18 B1 699 672 11.01      
19 B1 480 461 5.08      
20 B1 190 183 0.02      
21 B2 3220 3094 7.87      
22 B2 3196 3071 10.91      
23 B2 1642 1577 2.69      
24 B2 1487 1429 4.96      
25 B2 1353 1300 0.35      
26 B2 1330 1278 0.00      
27 B2 1187 1141 0.08      
28 B2 1103 1060 3.47      
29 B2 627 602 0.23      
30 B2 298 286 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 19993.0 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 19209.3 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 B3LYP/6-31G**
ABC
0.18924 0.05192 0.04074

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.265
C2 0.000 0.000 0.504
C3 0.000 1.216 -0.179
C4 0.000 -1.216 -0.179
C5 0.000 1.207 -1.574
C6 0.000 -1.207 -1.574
C7 0.000 0.000 -2.275
H8 0.000 2.148 0.374
H9 0.000 -2.148 0.374
H10 0.000 2.151 -2.112
H11 0.000 -2.151 -2.112
H12 0.000 0.000 -3.360

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.76132.72932.72934.02454.02454.53972.86172.86174.87644.87645.6251
C21.76131.39421.39422.40312.40312.77842.15232.15233.38603.38603.8639
C32.72931.39422.43171.39562.79622.42331.08423.40942.14723.88203.4060
C42.72931.39422.43172.79621.39562.42333.40941.08423.88202.14723.4060
C54.02452.40311.39562.79622.41431.39572.16413.88041.08583.40062.1557
C64.02452.40312.79621.39562.41431.39573.88042.16413.40061.08582.1557
C74.53972.77842.42332.42331.39571.39573.41093.41092.15692.15691.0854
H82.86172.15231.08423.40942.16413.88043.41094.29682.48614.96624.3086
H92.86172.15233.40941.08423.88042.16413.41094.29684.96622.48614.3086
H104.87643.38602.14723.88201.08583.40062.15692.48614.96624.30142.4869
H114.87643.38603.88202.14723.40061.08582.15694.96622.48614.30142.4869
H125.62513.86393.40603.40602.15572.15571.08544.30864.30862.48692.4869

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.299 Cl1 C2 C4 119.299
C2 C3 C5 118.943 C2 C3 H8 120.029
C2 C4 C6 118.943 C2 C4 H9 120.029
C3 C2 C4 121.402 C3 C5 C7 120.483
C3 C5 H10 119.307 C4 C6 C7 120.483
C4 C6 H11 119.307 C5 C3 H8 121.028
C5 C7 C6 119.746 C5 C7 H12 120.127
C6 C4 H9 121.028 C6 C7 H12 120.127
C7 C5 H10 120.210 C7 C6 H11 120.210
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.027      
2 C -0.093      
3 C -0.069      
4 C -0.069      
5 C -0.083      
6 C -0.083      
7 C -0.083      
8 H 0.110      
9 H 0.110      
10 H 0.097      
11 H 0.097      
12 H 0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.919 1.919
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.130 0.000 0.000
y 0.000 -41.761 0.000
z 0.000 0.000 -45.676
Traceless
 xyz
x -6.411 0.000 0.000
y 0.000 6.142 0.000
z 0.000 0.000 0.269
Polar
3z2-r20.538
x2-y2-8.368
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.867 0.000 0.000
y 0.000 11.087 0.000
z 0.000 0.000 14.548


<r2> (average value of r2) Å2
<r2> 252.737
(<r2>)1/2 15.898