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All results from a given calculation for C6H4Cl2 (1,2-dichlorobenzene)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-1151.398699
Energy at 298.15K-1151.402944
HF Energy-1151.398699
Nuclear repulsion energy469.815200
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 mPW1PW91/6-31G*
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 3260 3091 4.26      
2 A1 3244 3077 7.41      
3 A1 1653 1568 3.87      
4 A1 1520 1441 66.04      
5 A1 1360 1289 1.00      
6 A1 1201 1139 1.66      
7 A1 1174 1114 45.73      
8 A1 1079 1023 7.81      
9 A1 679 644 16.97      
10 A1 491 466 7.00      
11 A1 204 194 0.01      
12 A2 997 946 0.00      
13 A2 875 829 0.00      
14 A2 712 675 0.00      
15 A2 526 499 0.00      
16 A2 139 132 0.00      
17 B1 958 909 2.04      
18 B1 770 731 63.09      
19 B1 452 428 4.40      
20 B1 239 227 0.83      
21 B2 3256 3087 3.63      
22 B2 3232 3064 1.28      
23 B2 1663 1577 7.60      
24 B2 1488 1411 19.79      
25 B2 1294 1227 3.16      
26 B2 1171 1110 1.83      
27 B2 1053 998 40.26      
28 B2 761 721 18.96      
29 B2 437 415 0.51      
30 B2 343 325 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 18115.0 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 17178.5 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 mPW1PW91/6-31G*
ABC
0.06382 0.04779 0.02733

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.699 -0.031
C2 0.000 -0.699 -0.031
C3 0.000 1.390 1.179
C4 0.000 -1.390 1.179
C5 0.000 0.696 2.382
C6 0.000 -0.696 2.382
Cl7 0.000 1.600 -1.509
Cl8 0.000 -1.600 -1.509
H9 0.000 2.474 1.162
H10 0.000 -2.474 1.162
H11 0.000 1.245 3.317
H12 0.000 -1.245 3.317

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39771.39312.41382.41232.78651.73152.73312.13813.38913.39163.8709
C21.39772.41381.39312.78652.41232.73311.73153.38912.13813.87093.3916
C31.39312.41382.78021.38882.40782.69644.02061.08373.86382.14263.3935
C42.41381.39312.78022.40781.38884.02062.69643.86381.08373.39352.1426
C52.41232.78651.38882.40781.39163.99464.51762.15623.39621.08452.1546
C62.78652.41232.40781.38881.39164.51763.99463.39622.15622.15461.0845
Cl71.73152.73312.69644.02063.99464.51763.19932.81034.87094.83895.6021
Cl82.73311.73154.02062.69644.51763.99463.19934.87092.81035.60214.8389
H92.13813.38911.08373.86382.15623.39622.81034.87094.94732.48044.2983
H103.38912.13813.86381.08373.39622.15624.87092.81034.94734.29832.4804
H113.39163.87092.14263.39351.08452.15464.83895.60212.48044.29832.4909
H123.87093.39163.39352.14262.15461.08455.60214.83894.29832.48042.4909

picture of 1,2-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 119.748 C1 C2 Cl8 121.350
C1 C3 C5 120.257 C1 C3 H9 118.833
C2 C1 C3 119.748 C2 C1 Cl7 121.350
C2 C4 C6 120.257 C2 C4 H10 118.833
C3 C1 Cl7 118.902 C3 C5 C6 119.996
C3 C5 H11 119.552 C4 C2 Cl8 118.902
C4 C6 C5 119.996 C4 C6 H12 119.552
C5 C3 H9 120.911 C5 C6 H12 120.452
C6 C4 H10 120.911 C6 C5 H11 120.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.111      
2 C -0.111      
3 C -0.155      
4 C -0.155      
5 C -0.163      
6 C -0.163      
7 Cl 0.043      
8 Cl 0.043      
9 H 0.201      
10 H 0.201      
11 H 0.186      
12 H 0.186      


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 2.745 2.745
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.828 0.000 0.000
y 0.000 -54.879 0.000
z 0.000 0.000 -53.693
Traceless
 xyz
x -7.542 0.000 0.000
y 0.000 2.882 0.000
z 0.000 0.000 4.660
Polar
3z2-r29.321
x2-y2-6.949
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.514 0.000 0.000
y 0.000 13.460 0.000
z 0.000 0.000 15.976


<r2> (average value of r2) Å2
<r2> 359.587
(<r2>)1/2 18.963