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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-1150.798804
Energy at 298.15K-1150.802862
HF Energy-1150.798804
Nuclear repulsion energy465.790875
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3153 3134 3.11      
2 A1 3137 3119 5.93      
3 A1 1579 1570 4.81      
4 A1 1439 1430 63.95      
5 A1 1350 1342 2.56      
6 A1 1137 1130 8.16      
7 A1 1116 1110 45.11      
8 A1 1034 1028 7.50      
9 A1 650 646 15.99      
10 A1 471 468 7.33      
11 A1 195 193 0.01      
12 A2 958 953 0.00      
13 A2 838 833 0.00      
14 A2 690 686 0.00      
15 A2 509 506 0.00      
16 A2 132 131 0.00      
17 B1 922 916 1.00      
18 B1 736 732 46.35      
19 B1 433 430 4.60      
20 B1 228 227 0.98      
21 B2 3148 3130 2.53      
22 B2 3124 3106 1.02      
23 B2 1584 1575 8.81      
24 B2 1413 1405 16.73      
25 B2 1221 1214 2.81      
26 B2 1114 1108 0.73      
27 B2 1006 1000 36.92      
28 B2 728 724 20.26      
29 B2 420 417 0.64      
30 B2 329 327 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 17395.1 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 17294.2 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 PBEPBE/cc-pVDZ
ABC
0.06292 0.04690 0.02687

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.706 -0.030
C2 0.000 -0.706 -0.030
C3 0.000 1.402 1.190
C4 0.000 -1.402 1.190
C5 0.000 0.702 2.403
C6 0.000 -0.702 2.403
Cl7 0.000 1.609 -1.524
Cl8 0.000 -1.609 -1.524
H9 0.000 2.500 1.170
H10 0.000 -2.500 1.170
H11 0.000 1.259 3.350
H12 0.000 -1.259 3.350

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.41161.40502.43582.43312.81081.74582.75522.15873.42323.42533.9099
C21.41162.43581.40502.81082.43312.75521.74583.42322.15873.90993.4253
C31.40502.43582.80481.40082.42862.72194.05421.09813.90282.16483.4279
C42.43581.40502.80482.42861.40084.05422.72193.90281.09813.42792.1648
C52.43312.81081.40082.42861.40324.03054.55652.18103.43131.09912.1777
C62.81082.43312.42861.40081.40324.55654.03053.43132.18102.17771.0991
Cl71.74582.75522.72194.05424.03054.55653.21882.83714.91384.88665.6556
Cl82.75521.74584.05422.72194.55654.03053.21884.91382.83715.65564.8866
H92.15873.42321.09813.90282.18103.43132.83714.91385.00072.50894.3462
H103.42322.15873.90281.09813.43132.18104.91382.83715.00074.34622.5089
H113.42533.90992.16483.42791.09912.17774.88665.65562.50894.34622.5186
H123.90993.42533.42792.16482.17771.09915.65564.88664.34622.50892.5186

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 119.722 C1 C2 Cl8 121.170
C1 C3 C5 120.260 C1 C3 H9 118.657
C2 C1 C3 119.722 C2 C1 Cl7 121.170
C2 C4 C6 120.260 C2 C4 H10 118.657
C3 C1 Cl7 119.108 C3 C5 C6 120.018
C3 C5 H11 119.490 C4 C2 Cl8 119.108
C4 C6 C5 120.018 C4 C6 H12 119.490
C5 C3 H9 121.083 C5 C6 H12 120.492
C6 C4 H10 121.083 C6 C5 H11 120.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.089      
2 C -0.089      
3 C 0.113      
4 C 0.113      
5 C 0.029      
6 C 0.029      
7 Cl -0.041      
8 Cl -0.041      
9 H -0.005      
10 H -0.005      
11 H -0.007      
12 H -0.007      


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 2.280 2.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.014 0.000 0.000
y 0.000 -55.537 0.000
z 0.000 0.000 -54.380
Traceless
 xyz
x -7.055 0.000 0.000
y 0.000 2.660 0.000
z 0.000 0.000 4.395
Polar
3z2-r28.791
x2-y2-6.476
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.823 0.000 0.000
y 0.000 14.432 0.000
z 0.000 0.000 17.281


<r2> (average value of r2) Å2
<r2> 365.459
(<r2>)1/2 19.117