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: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-689.667078
Energy at 298.15K-689.672755
Nuclear repulsion energy317.222680
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 HF/6-311G*
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 3381 3058 1.72      
2 A1 3365 3043 30.19      
3 A1 3340 3021 0.00      
4 A1 1779 1609 26.20      
5 A1 1645 1487 50.69      
6 A1 1289 1166 0.03      
7 A1 1193 1079 49.30      
8 A1 1115 1008 19.39      
9 A1 1085 982 2.62      
10 A1 761 688 28.66      
11 A1 447 404 4.32      
12 A2 1091 986 0.00      
13 A2 938 849 0.00      
14 A2 456 412 0.00      
15 B1 1112 1005 0.08      
16 B1 1023 925 3.34      
17 B1 831 752 75.62      
18 B1 760 687 25.07      
19 B1 524 474 11.63      
20 B1 207 188 0.24      
21 B2 3378 3055 19.26      
22 B2 3352 3031 15.28      
23 B2 1774 1605 2.80      
24 B2 1601 1448 9.62      
25 B2 1457 1318 0.28      
26 B2 1323 1197 0.41      
27 B2 1194 1079 1.42      
28 B2 1165 1054 0.93      
29 B2 674 609 0.28      
30 B2 320 290 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21288.8 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 19253.6 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 HF/6-311G*
ABC
0.19264 0.05277 0.04142

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.246
C2 0.000 0.000 0.500
C3 0.000 1.204 -0.177
C4 0.000 -1.204 -0.177
C5 0.000 1.198 -1.562
C6 0.000 -1.198 -1.562
C7 0.000 0.000 -2.257
H8 0.000 2.128 0.369
H9 0.000 -2.128 0.369
H10 0.000 2.132 -2.094
H11 0.000 -2.132 -2.094
H12 0.000 0.000 -3.332

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.74612.70592.70593.99193.99194.50312.83782.83784.83564.83565.5780
C21.74611.38151.38152.38452.38452.75702.13232.13233.35773.35773.8318
C32.70591.38152.40841.38492.77242.40331.07333.37692.12973.84753.3768
C42.70591.38152.40842.77241.38492.40333.37691.07333.84752.12973.3768
C53.99192.38451.38492.77242.39511.38462.14353.84571.07513.37142.1370
C63.99192.38452.77241.38492.39511.38463.84572.14353.37141.07512.1370
C74.50312.75702.40332.40331.38461.38463.38013.38012.13772.13771.0749
H82.83782.13231.07333.37692.14353.84573.38014.25652.46334.92074.2691
H92.83782.13233.37691.07333.84572.14353.38014.25654.92072.46334.2691
H104.83563.35772.12973.84751.07513.37142.13772.46334.92074.26312.4647
H114.83563.35773.84752.12973.37141.07512.13774.92072.46334.26312.4647
H125.57803.83183.37683.37682.13702.13701.07494.26914.26912.46472.4647

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.347 Cl1 C2 C4 119.347
C2 C3 C5 119.073 C2 C3 H8 120.074
C2 C4 C6 119.073 C2 C4 H9 120.074
C3 C2 C4 121.305 C3 C5 C7 120.404
C3 C5 H10 119.411 C4 C6 C7 120.404
C4 C6 H11 119.411 C5 C3 H8 120.853
C5 C7 C6 119.741 C5 C7 H12 120.130
C6 C4 H9 120.853 C6 C7 H12 120.130
C7 C5 H10 120.185 C7 C6 H11 120.185
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.110     -0.130
2 C -0.148     -0.008
3 C -0.146     -0.031
4 C -0.146     -0.031
5 C -0.208     -0.227
6 C -0.208     -0.227
7 C -0.219     -0.076
8 H 0.252     0.130
9 H 0.252     0.130
10 H 0.228     0.166
11 H 0.228     0.166
12 H 0.224     0.138


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 -2.175 2.175
CHELPG        
AIM        
ESP 0.000 0.000 -2.232 2.232


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.507 0.000 0.000
y 0.000 -42.108 0.000
z 0.000 0.000 -46.668
Traceless
 xyz
x -8.119 0.000 0.000
y 0.000 7.479 0.000
z 0.000 0.000 0.640
Polar
3z2-r21.279
x2-y2-10.398
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.511 0.000 0.000
y 0.000 10.862 0.000
z 0.000 0.000 14.140


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000