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

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-1151.393446
Energy at 298.15K-1151.397723
HF Energy-1151.393446
Nuclear repulsion energy470.910297
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 B3PW91/cc-pVTZ
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 3215 3091 3.15      
2 A1 3200 3077 5.82      
3 A1 1622 1560 3.62      
4 A1 1495 1438 65.11      
5 A1 1333 1282 1.25      
6 A1 1183 1137 2.06      
7 A1 1154 1109 45.24      
8 A1 1064 1023 8.66      
9 A1 673 648 15.17      
10 A1 485 466 6.60      
11 A1 199 191 0.01      
12 A2 1002 964 0.00      
13 A2 880 846 0.00      
14 A2 726 698 0.00      
15 A2 529 509 0.00      
16 A2 137 132 0.00      
17 B1 969 932 1.98      
18 B1 767 738 63.26      
19 B1 451 433 4.79      
20 B1 236 227 1.00      
21 B2 3211 3087 2.28      
22 B2 3187 3064 1.09      
23 B2 1631 1568 7.19      
24 B2 1467 1410 18.74      
25 B2 1277 1228 3.56      
26 B2 1154 1109 1.12      
27 B2 1049 1009 35.52      
28 B2 754 725 19.03      
29 B2 432 416 0.64      
30 B2 338 325 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 17908.9 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 17221.2 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 B3PW91/cc-pVTZ
ABC
0.06421 0.04796 0.02745

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.697 -0.029
C2 0.000 -0.697 -0.029
C3 0.000 1.386 1.177
C4 0.000 -1.386 1.177
C5 0.000 0.694 2.377
C6 0.000 -0.694 2.377
Cl7 0.000 1.595 -1.507
Cl8 0.000 -1.595 -1.507
H9 0.000 2.468 1.159
H10 0.000 -2.468 1.159
H11 0.000 1.243 3.310
H12 0.000 -1.243 3.310

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39381.38922.40712.40562.77881.72912.72662.13253.38033.38313.8612
C21.39382.40711.38922.77882.40562.72661.72913.38032.13253.86123.3831
C31.38922.40712.77261.38502.40142.69204.01111.08163.85412.13763.3852
C42.40711.38922.77262.40141.38504.01112.69203.85411.08163.38522.1376
C52.40562.77881.38502.40141.38803.98654.50762.15153.38811.08252.1497
C62.77882.40562.40141.38501.38804.50763.98653.38812.15152.14971.0825
Cl71.72912.72662.69204.01113.98654.50763.18912.80524.85904.82955.5901
Cl82.72661.72914.01112.69204.50763.98653.18914.85902.80525.59014.8295
H92.13253.38031.08163.85412.15153.38812.80524.85904.93562.47534.2886
H103.38032.13253.85411.08163.38812.15154.85902.80524.93564.28862.4753
H113.38313.86122.13763.38521.08252.14974.82955.59012.47534.28862.4851
H123.86123.38313.38522.13762.14971.08255.59014.82954.28862.47532.4851

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 119.754 C1 C2 Cl8 121.276
C1 C3 C5 120.256 C1 C3 H9 118.800
C2 C1 C3 119.754 C2 C1 Cl7 121.276
C2 C4 C6 120.256 C2 C4 H10 118.800
C3 C1 Cl7 118.971 C3 C5 C6 119.990
C3 C5 H11 119.562 C4 C2 Cl8 118.971
C4 C6 C5 119.990 C4 C6 H12 119.562
C5 C3 H9 120.944 C5 C6 H12 120.448
C6 C4 H10 120.944 C6 C5 H11 120.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 C 0.036      
3 C -0.086      
4 C -0.086      
5 C -0.104      
6 C -0.104      
7 Cl -0.088      
8 Cl -0.088      
9 H 0.126      
10 H 0.126      
11 H 0.116      
12 H 0.116      


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 2.484 2.484
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.994 0.000 0.000
y 0.000 -55.700 0.000
z 0.000 0.000 -54.540
Traceless
 xyz
x -6.874 0.000 0.000
y 0.000 2.567 0.000
z 0.000 0.000 4.307
Polar
3z2-r28.614
x2-y2-6.294
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.713 0.000 0.000
y 0.000 14.971 0.000
z 0.000 0.000 17.563


<r2> (average value of r2) Å2
<r2> 358.454
(<r2>)1/2 18.933