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: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-691.735532
Energy at 298.15K-691.740642
Nuclear repulsion energy312.907392
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 BLYP/6-31G(2df,p)
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 3135 3117 0.52      
2 A1 3120 3102 19.42      
3 A1 3097 3079 0.13      
4 A1 1556 1547 20.01      
5 A1 1460 1452 39.43      
6 A1 1168 1161 0.01      
7 A1 1059 1054 40.73      
8 A1 1011 1005 17.11      
9 A1 983 978 7.05      
10 A1 683 679 26.45      
11 A1 399 397 5.16      
12 A2 913 908 0.00      
13 A2 821 816 0.00      
14 A2 402 400 0.00      
15 B1 948 943 0.32      
16 B1 883 878 2.03      
17 B1 739 735 41.70      
18 B1 681 678 9.27      
19 B1 467 464 3.79      
20 B1 182 181 0.01      
21 B2 3132 3115 8.37      
22 B2 3105 3088 12.37      
23 B2 1563 1555 2.52      
24 B2 1429 1422 4.65      
25 B2 1309 1302 0.30      
26 B2 1289 1281 0.16      
27 B2 1155 1149 0.16      
28 B2 1066 1060 3.17      
29 B2 606 603 0.21      
30 B2 287 285 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 19323.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 19217.2 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 BLYP/6-31G(2df,p)
ABC
0.18713 0.05141 0.04033

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.276
C2 0.000 0.000 0.504
C3 0.000 1.223 -0.179
C4 0.000 -1.223 -0.179
C5 0.000 1.214 -1.582
C6 0.000 -1.214 -1.582
C7 0.000 0.000 -2.286
H8 0.000 2.160 0.378
H9 0.000 -2.160 0.378
H10 0.000 2.162 -2.122
H11 0.000 -2.162 -2.122
H12 0.000 0.000 -3.377

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.77212.74332.74334.04484.04484.56222.87522.87524.90124.90125.6533
C21.77211.40121.40122.41362.41362.79012.16332.16333.40203.40203.8812
C32.74331.40122.44651.40302.81192.43611.08973.42842.15803.90353.4238
C42.74331.40122.44652.81191.40302.43613.42841.08973.90352.15803.4238
C54.04482.41361.40302.81192.42731.40292.17663.90151.09173.41892.1667
C64.04482.41362.81191.40302.42731.40293.90152.17663.41891.09172.1667
C74.56222.79012.43612.43611.40291.40293.42953.42952.16862.16861.0911
H82.87522.16331.08973.42842.17663.90153.42954.31922.50034.99314.3319
H92.87522.16333.42841.08973.90152.17663.42954.31924.99312.50034.3319
H104.90123.40202.15803.90351.09173.41892.16862.50034.99314.32482.5002
H114.90123.40203.90352.15803.41891.09172.16864.99312.50034.32482.5002
H125.65333.88123.42383.42382.16672.16671.09114.33194.33192.50022.5002

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.190 Cl1 C2 C4 119.190
C2 C3 C5 118.798 C2 C3 H8 120.046
C2 C4 C6 118.798 C2 C4 H9 120.046
C3 C2 C4 121.619 C3 C5 C7 120.502
C3 C5 H10 119.252 C4 C6 C7 120.502
C4 C6 H11 119.252 C5 C3 H8 121.157
C5 C7 C6 119.782 C5 C7 H12 120.109
C6 C4 H9 121.157 C6 C7 H12 120.109
C7 C5 H10 120.246 C7 C6 H11 120.246
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.192      
2 C 0.241      
3 C -0.135      
4 C -0.135      
5 C -0.064      
6 C -0.064      
7 C -0.087      
8 H 0.096      
9 H 0.096      
10 H 0.083      
11 H 0.083      
12 H 0.079      


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 -1.837 1.837
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.695 0.000 0.000
y 0.000 -42.321 0.000
z 0.000 0.000 -46.039
Traceless
 xyz
x -5.515 0.000 0.000
y 0.000 5.546 0.000
z 0.000 0.000 -0.031
Polar
3z2-r2-0.062
x2-y2-7.374
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.921 0.000 0.000
y 0.000 11.807 0.000
z 0.000 0.000 15.576


<r2> (average value of r2) Å2
<r2> 255.136
(<r2>)1/2 15.973