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

using model chemistry: B2PLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-1150.626061
Energy at 298.15K-1150.630190
HF Energy-1150.416947
Nuclear repulsion energy440.718317
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 B2PLYP/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3261 3261 0.00      
2 Ag 1626 1626 0.00      
3 Ag 1236 1236 0.00      
4 Ag 1106 1106 0.00      
5 Ag 747 747 0.00      
6 Ag 320 320 0.00      
7 Au 976 976 0.00      
8 Au 428 428 0.00      
9 B1g 849 849 0.00      
10 B1u 3244 3244 0.32      
11 B1u 1536 1536 89.23      
12 B1u 1114 1114 81.76      
13 B1u 1044 1044 96.70      
14 B1u 511 511 37.47      
15 B2g 954 954 0.00      
16 B2g 693 693 0.00      
17 B2g 294 294 0.00      
18 B2u 3259 3259 1.97      
19 B2u 1437 1437 7.05      
20 B2u 1360 1360 1.20      
21 B2u 1151 1151 4.12      
22 B2u 210 210 1.97      
23 B3g 3245 3245 0.00      
24 B3g 1638 1638 0.00      
25 B3g 1361 1361 0.00      
26 B3g 655 655 0.00      
27 B3g 345 345 0.00      
28 B3u 846 846 71.02      
29 B3u 501 501 20.31      
30 B3u 100 100 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 18023.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18023.9 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 B2PLYP/6-31G
ABC
0.18693 0.02120 0.01904

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.380
C2 0.000 0.000 -1.380
C3 0.000 1.220 0.702
C4 0.000 -1.220 0.702
C5 0.000 -1.220 -0.702
C6 0.000 1.220 -0.702
Cl7 0.000 0.000 3.207
Cl8 0.000 0.000 -3.207
H9 0.000 2.154 1.250
H10 0.000 -2.154 1.250
H11 0.000 -2.154 -1.250
H12 0.000 2.154 -1.250

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76081.39631.39632.41342.41341.82674.58752.15832.15833.40013.4001
C22.76082.41342.41341.39631.39634.58751.82673.40013.40012.15832.1583
C31.39632.41342.44052.81531.40352.78674.09491.08313.41883.89842.1638
C41.39632.41342.44051.40352.81532.78674.09493.41881.08312.16383.8984
C52.41341.39632.81531.40352.44054.09492.78673.89842.16381.08313.4188
C62.41341.39631.40352.81532.44054.09492.78672.16383.89843.41881.0831
Cl71.82674.58752.78672.78674.09494.09496.41422.91052.91054.95054.9505
Cl84.58751.82674.09494.09492.78672.78676.41424.95054.95052.91052.9105
H92.15833.40011.08313.41883.89842.16382.91054.95054.30874.98152.5001
H102.15833.40013.41881.08312.16383.89842.91054.95054.30872.50014.9815
H113.40012.15833.89842.16381.08313.41884.95052.91054.98152.50014.3087
H123.40012.15832.16383.89843.41881.08314.95052.91052.50014.98154.3087

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 119.081 C1 C3 H9 120.508
C1 C4 C5 119.081 C1 C4 H10 120.508
C2 C5 C4 119.081 C2 C5 H11 120.508
C2 C6 C3 119.081 C2 C6 H12 120.508
C3 C1 C4 121.839 C3 C1 Cl7 119.081
C3 C6 H12 120.411 C4 C1 Cl7 119.081
C4 C5 H11 120.411 C5 C2 C6 121.839
C5 C2 Cl8 119.081 C5 C4 H10 120.411
C6 C2 Cl8 119.081 C6 C3 H9 120.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.240      
2 C -0.240      
3 C -0.105      
4 C -0.105      
5 C -0.105      
6 C -0.105      
7 Cl 0.082      
8 Cl 0.082      
9 H 0.184      
10 H 0.184      
11 H 0.184      
12 H 0.184      


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 -62.992 0.000 0.000
y 0.000 -52.475 0.000
z 0.000 0.000 -70.423
Traceless
 xyz
x -1.543 0.000 0.000
y 0.000 14.232 0.000
z 0.000 0.000 -12.689
Polar
3z2-r2-25.379
x2-y2-10.517
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.628 0.000 0.000
y 0.000 10.899 0.000
z 0.000 0.000 18.690


<r2> (average value of r2) Å2
<r2> 483.640
(<r2>)1/2 21.992