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

using model chemistry: PBEPBEultrafine/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-1150.802080
Energy at 298.15K-1150.806101
HF Energy-1150.802080
Nuclear repulsion energy445.610425
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 PBEPBEultrafine/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 Ag 3155 3137 0.00      
2 Ag 1586 1577 0.00      
3 Ag 1145 1138 0.00      
4 Ag 1091 1085 0.00      
5 Ag 738 734 0.00      
6 Ag 323 321 0.00      
7 Au 937 932 0.00      
8 Au 406 403 0.00      
9 B1g 797 792 0.00      
10 B1u 3140 3122 1.53      
11 B1u 1451 1443 110.68      
12 B1u 1072 1066 95.30      
13 B1u 988 982 48.35      
14 B1u 539 536 36.51      
15 B2g 926 920 0.00      
16 B2g 685 681 0.00      
17 B2g 289 287 0.00      
18 B2u 3154 3135 1.08      
19 B2u 1387 1379 3.58      
20 B2u 1345 1337 0.48      
21 B2u 1079 1073 9.35      
22 B2u 216 214 0.85      
23 B3g 3141 3123 0.00      
24 B3g 1582 1573 0.00      
25 B3g 1248 1241 0.00      
26 B3g 615 611 0.00      
27 B3g 344 342 0.00      
28 B3u 805 800 37.72      
29 B3u 478 475 15.81      
30 B3u 98 98 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 17379.4 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 17278.6 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 PBEPBEultrafine/cc-pVDZ
ABC
0.18636 0.02192 0.01961

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.393
C2 0.000 0.000 -1.393
C3 0.000 1.221 0.701
C4 0.000 -1.221 0.701
C5 0.000 -1.221 -0.701
C6 0.000 1.221 -0.701
Cl7 0.000 0.000 3.147
Cl8 0.000 0.000 -3.147
H9 0.000 2.168 1.256
H10 0.000 -2.168 1.256
H11 0.000 -2.168 -1.256
H12 0.000 2.168 -1.256

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.78661.40331.40332.42402.42401.75374.54042.17222.17223.42333.4233
C22.78662.42402.42401.40331.40334.54041.75373.42333.42332.17222.1722
C31.40332.42402.44122.81511.40192.73374.03701.09803.43363.91302.1743
C41.40332.42402.44121.40192.81512.73374.03703.43361.09802.17433.9130
C52.42401.40332.81511.40192.44124.03702.73373.91302.17431.09803.4336
C62.42401.40331.40192.81512.44124.03702.73372.17433.91303.43361.0980
Cl71.75374.54042.73372.73374.03704.03706.29412.87672.87674.90794.9079
Cl84.54041.75374.03704.03702.73372.73376.29414.90794.90792.87672.8767
H92.17223.42331.09803.43363.91302.17432.87674.90794.33585.01102.5122
H102.17223.42333.43361.09802.17433.91302.87674.90794.33582.51225.0110
H113.42332.17223.91302.17431.09803.43364.90792.87675.01102.51224.3358
H123.42332.17222.17433.91303.43361.09804.90792.87672.51225.01104.3358

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 119.564 C1 C3 H9 120.064
C1 C4 C5 119.564 C1 C4 H10 120.064
C2 C5 C4 119.564 C2 C5 H11 120.064
C2 C6 C3 119.564 C2 C6 H12 120.064
C3 C1 C4 120.872 C3 C1 Cl7 119.564
C3 C6 H12 120.372 C4 C1 Cl7 119.564
C4 C5 H11 120.372 C5 C2 C6 120.872
C5 C2 Cl8 119.564 C5 C4 H10 120.372
C6 C2 Cl8 119.564 C6 C3 H9 120.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.149      
2 C -0.149      
3 C 0.110      
4 C 0.110      
5 C 0.110      
6 C 0.110      
7 Cl -0.066      
8 Cl -0.066      
9 H -0.002      
10 H -0.002      
11 H -0.002      
12 H -0.002      


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 -62.017 0.000 0.000
y 0.000 -52.658 0.000
z 0.000 0.000 -63.977
Traceless
 xyz
x -3.700 0.000 0.000
y 0.000 10.339 0.000
z 0.000 0.000 -6.639
Polar
3z2-r2-13.278
x2-y2-9.359
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.844 0.000 0.000
y 0.000 12.290 0.000
z 0.000 0.000 20.063


<r2> (average value of r2) Å2
<r2> 469.884
(<r2>)1/2 21.677