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All results from a given calculation for C6H4Cl2 (1,4-dichlorobenzene)

using model chemistry: B3LYPultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B3LYPultrafine/3-21G
 hartrees
Energy at 0K-1145.762706
Energy at 298.15K-1145.766897
HF Energy-1145.762706
Nuclear repulsion energy442.271003
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 B3LYPultrafine/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3248 3134 0.00      
2 Ag 1598 1542 0.00      
3 Ag 1232 1189 0.00      
4 Ag 1103 1064 0.00      
5 Ag 748 722 0.00      
6 Ag 321 309 0.00      
7 Au 1015 979 0.00      
8 Au 438 423 0.00      
9 B1g 854 824 0.00      
10 B1u 3233 3119 0.07      
11 B1u 1530 1477 94.10      
12 B1u 1103 1064 100.75      
13 B1u 1060 1023 80.36      
14 B1u 506 488 44.02      
15 B2g 1013 977 0.00      
16 B2g 747 721 0.00      
17 B2g 299 289 0.00      
18 B2u 3245 3131 0.04      
19 B2u 1432 1382 8.06      
20 B2u 1313 1267 2.68      
21 B2u 1145 1105 4.41      
22 B2u 202 195 1.93      
23 B3g 3234 3120 0.00      
24 B3g 1619 1563 0.00      
25 B3g 1366 1318 0.00      
26 B3g 666 642 0.00      
27 B3g 333 322 0.00      
28 B3u 868 838 73.33      
29 B3u 504 486 27.32      
30 B3u 103 99 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 18039.8 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 17406.6 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 B3LYPultrafine/3-21G
ABC
0.18821 0.02136 0.01919

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.367
C2 0.000 0.000 -1.367
C3 0.000 1.216 0.699
C4 0.000 -1.216 0.699
C5 0.000 -1.216 -0.699
C6 0.000 1.216 -0.699
Cl7 0.000 0.000 3.196
Cl8 0.000 0.000 -3.196
H9 0.000 2.146 1.252
H10 0.000 -2.146 1.252
H11 0.000 -2.146 -1.252
H12 0.000 2.146 -1.252

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.73491.38791.38792.39772.39771.82884.56372.14892.14893.38583.3858
C22.73492.39772.39771.38791.38794.56371.82883.38583.38582.14892.1489
C31.38792.39772.43262.80551.39772.77784.08051.08143.40723.88682.1606
C41.38792.39772.43261.39772.80552.77784.08053.40721.08142.16063.8868
C52.39771.38792.80551.39772.43264.08052.77783.88682.16061.08143.4072
C62.39771.38791.39772.80552.43264.08052.77782.16063.88683.40721.0814
Cl71.82884.56372.77782.77784.08054.08056.39242.89582.89584.93844.9384
Cl84.56371.82884.08054.08052.77782.77786.39244.93844.93842.89582.8958
H92.14893.38581.08143.40723.88682.16062.89584.93844.29154.96822.5033
H102.14893.38583.40721.08142.16063.88682.89584.93844.29152.50334.9682
H113.38582.14893.88682.16061.08143.40724.93842.89584.96822.50334.2915
H123.38582.14892.16063.88683.40721.08144.93842.89582.50334.96824.2915

picture of 1,4-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 118.798 C1 C3 H9 120.459
C1 C4 C5 118.798 C1 C4 H10 120.459
C2 C5 C4 118.798 C2 C5 H11 120.459
C2 C6 C3 118.798 C2 C6 H12 120.459
C3 C1 C4 122.404 C3 C1 Cl7 118.798
C3 C6 H12 120.743 C4 C1 Cl7 118.798
C4 C5 H11 120.743 C5 C2 C6 122.404
C5 C2 Cl8 118.798 C5 C4 H10 120.743
C6 C2 Cl8 118.798 C6 C3 H9 120.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.270      
2 C -0.270      
3 C -0.147      
4 C -0.147      
5 C -0.147      
6 C -0.147      
7 Cl 0.103      
8 Cl 0.103      
9 H 0.230      
10 H 0.230      
11 H 0.230      
12 H 0.230      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.680 0.000 0.000
y 0.000 -51.638 0.000
z 0.000 0.000 -69.547
Traceless
 xyz
x -3.087 0.000 0.000
y 0.000 14.975 0.000
z 0.000 0.000 -11.888
Polar
3z2-r2-23.776
x2-y2-12.042
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.021 0.000 0.000
y 0.000 10.402 0.000
z 0.000 0.000 18.318


<r2> (average value of r2) Å2
<r2> 480.171
(<r2>)1/2 21.913