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/STO-3G

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/STO-3G
 hartrees
Energy at 0K-683.821506
Energy at 298.15K-683.826189
Nuclear repulsion energy307.173558
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/STO-3G
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 3378 3125 0.02      
2 A1 3367 3115 9.93      
3 A1 3348 3097 0.19      
4 A1 1646 1523 16.04      
5 A1 1545 1429 52.09      
6 A1 1213 1122 0.31      
7 A1 1141 1055 43.41      
8 A1 1053 974 2.28      
9 A1 1017 941 3.79      
10 A1 721 667 14.61      
11 A1 410 379 2.81      
12 A2 982 909 0.00      
13 A2 848 784 0.00      
14 A2 408 378 0.00      
15 B1 1002 927 0.06      
16 B1 918 849 2.01      
17 B1 746 690 36.37      
18 B1 690 638 3.16      
19 B1 460 426 1.27      
20 B1 185 171 0.13      
21 B2 3374 3122 18.71      
22 B2 3357 3106 0.36      
23 B2 1646 1523 3.63      
24 B2 1510 1397 9.24      
25 B2 1356 1255 0.16      
26 B2 1308 1210 0.15      
27 B2 1210 1119 0.10      
28 B2 1109 1026 0.26      
29 B2 624 578 0.11      
30 B2 273 253 0.95      

Unscaled Zero Point Vibrational Energy (zpe) 20421.1 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 18893.6 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 BLYP/STO-3G
ABC
0.18118 0.04931 0.03876

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.330
C2 0.000 0.000 0.501
C3 0.000 1.245 -0.192
C4 0.000 -1.245 -0.192
C5 0.000 1.232 -1.614
C6 0.000 -1.232 -1.614
C7 0.000 0.000 -2.323
H8 0.000 2.196 0.372
H9 0.000 -2.196 0.372
H10 0.000 2.192 -2.165
H11 0.000 -2.192 -2.165
H12 0.000 0.000 -3.430

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.82882.81222.81224.13204.13204.65372.94282.94285.00115.00115.7597
C21.82881.42461.42462.44802.44802.82482.20012.20013.45163.45163.9309
C32.81221.42462.48941.42232.85642.46871.10573.48682.18903.96293.4690
C42.81221.42462.48942.85641.42232.46873.48681.10573.96292.18903.4690
C54.13202.44801.42232.85642.46481.42212.20703.96201.10653.46832.1945
C64.13202.44802.85641.42232.46481.42213.96202.20703.46831.10652.1945
C74.65372.82482.46872.46871.42211.42213.47663.47662.19762.19761.1061
H82.94282.20011.10573.48682.20703.96203.47664.39262.53665.06864.3900
H92.94282.20013.48681.10573.96202.20703.47664.39265.06862.53664.3900
H105.00113.45162.18903.96291.10653.46832.19762.53665.06864.38372.5305
H115.00113.45163.96292.18903.46831.10652.19765.06862.53664.38372.5305
H125.75973.93093.46903.46902.19452.19451.10614.39004.39002.53052.5305

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.103 Cl1 C2 C4 119.103
C2 C3 C5 118.607 C2 C3 H8 120.280
C2 C4 C6 118.607 C2 C4 H9 120.280
C3 C2 C4 121.793 C3 C5 C7 120.432
C3 C5 H10 119.382 C4 C6 C7 120.432
C4 C6 H11 119.382 C5 C3 H8 121.113
C5 C7 C6 120.129 C5 C7 H12 119.935
C6 C4 H9 121.113 C6 C7 H12 119.935
C7 C5 H10 120.186 C7 C6 H11 120.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.118      
2 C 0.026      
3 C -0.072      
4 C -0.072      
5 C -0.070      
6 C -0.070      
7 C -0.074      
8 H 0.096      
9 H 0.096      
10 H 0.087      
11 H 0.087      
12 H 0.084      


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 -2.188 2.188
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.071 0.000 0.000
y 0.000 -39.806 0.000
z 0.000 0.000 -44.923
Traceless
 xyz
x -3.707 0.000 0.000
y 0.000 5.691 0.000
z 0.000 0.000 -1.984
Polar
3z2-r2-3.968
x2-y2-6.265
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.083 0.000 0.000
y 0.000 7.351 0.000
z 0.000 0.000 10.365


<r2> (average value of r2) Å2
<r2> 262.616
(<r2>)1/2 16.205