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

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-1151.458916
Energy at 298.15K-1151.463203
HF Energy-1151.458916
Nuclear repulsion energy469.353262
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/cc-pVDZ
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 3251 3115 2.84      
2 A1 3235 3100 4.86      
3 A1 1649 1580 4.83      
4 A1 1501 1438 69.30      
5 A1 1365 1308 1.50      
6 A1 1179 1130 14.38      
7 A1 1165 1116 32.73      
8 A1 1071 1026 7.41      
9 A1 675 647 16.48      
10 A1 490 470 6.72      
11 A1 202 193 0.01      
12 A2 1006 964 0.00      
13 A2 879 842 0.00      
14 A2 721 691 0.00      
15 A2 528 506 0.00      
16 A2 138 132 0.00      
17 B1 969 929 1.25      
18 B1 769 737 53.48      
19 B1 451 432 5.27      
20 B1 238 228 1.06      
21 B2 3246 3111 1.61      
22 B2 3222 3087 0.93      
23 B2 1658 1589 8.06      
24 B2 1470 1409 19.08      
25 B2 1270 1217 2.66      
26 B2 1156 1108 1.04      
27 B2 1049 1005 37.26      
28 B2 757 725 18.96      
29 B2 435 417 0.52      
30 B2 341 327 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 18041.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 17289.3 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/cc-pVDZ
ABC
0.06385 0.04764 0.02728

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.700 -0.030
C2 0.000 -0.700 -0.030
C3 0.000 1.392 1.181
C4 0.000 -1.392 1.181
C5 0.000 0.697 2.385
C6 0.000 -0.697 2.385
Cl7 0.000 1.598 -1.512
Cl8 0.000 -1.598 -1.512
H9 0.000 2.481 1.161
H10 0.000 -2.481 1.161
H11 0.000 1.249 3.324
H12 0.000 -1.249 3.324

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39951.39452.41662.41492.78951.73282.73412.14263.39623.39913.8794
C21.39952.41661.39452.78952.41492.73411.73283.39622.14263.87943.3991
C31.39452.41662.78351.39052.41062.70044.02341.08903.87242.14843.4014
C42.41661.39452.78352.41061.39054.02342.70043.87241.08903.40142.1484
C52.41492.78951.39052.41061.39323.99964.52212.16323.40461.08992.1607
C62.78952.41492.41061.39051.39324.52213.99963.40462.16322.16071.0899
Cl71.73282.73412.70044.02343.99964.52213.19602.81514.87654.84875.6120
Cl82.73411.73284.02342.70044.52213.99963.19604.87652.81515.61204.8487
H92.14263.39621.08903.87242.16323.40462.81514.87654.96112.48894.3115
H103.39622.14263.87241.08903.40462.16324.87652.81514.96114.31152.4889
H113.39913.87942.14843.40141.08992.16074.84875.61202.48894.31152.4983
H123.87943.39913.40142.14842.16071.08995.61204.84874.31152.48892.4983

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 119.751 C1 C2 Cl8 121.224
C1 C3 C5 120.252 C1 C3 H9 118.736
C2 C1 C3 119.751 C2 C1 Cl7 121.224
C2 C4 C6 120.252 C2 C4 H10 118.736
C3 C1 Cl7 119.025 C3 C5 C6 119.997
C3 C5 H11 119.540 C4 C2 Cl8 119.025
C4 C6 C5 119.997 C4 C6 H12 119.540
C5 C3 H9 121.013 C5 C6 H12 120.463
C6 C4 H10 121.013 C6 C5 H11 120.463
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.103      
2 C -0.103      
3 C 0.102      
4 C 0.102      
5 C 0.006      
6 C 0.006      
7 Cl -0.046      
8 Cl -0.046      
9 H 0.022      
10 H 0.022      
11 H 0.017      
12 H 0.017      


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 2.503 2.503
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.086 0.000 0.000
y 0.000 -55.233 0.000
z 0.000 0.000 -54.068
Traceless
 xyz
x -7.435 0.000 0.000
y 0.000 2.844 0.000
z 0.000 0.000 4.591
Polar
3z2-r29.182
x2-y2-6.853
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.778 0.000 0.000
y 0.000 13.840 0.000
z 0.000 0.000 16.487


<r2> (average value of r2) Å2
<r2> 360.370
(<r2>)1/2 18.983