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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-1148.641423
Energy at 298.15K-1148.646068
HF Energy-1148.641423
Nuclear repulsion energy452.408652
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 HF/Def2TZVPP
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 3371 3055 0.00      
2 Ag 1766 1601 0.00      
3 Ag 1287 1167 0.00      
4 Ag 1187 1076 0.00      
5 Ag 811 735 0.00      
6 Ag 354 321 0.00      
7 Au 1105 1002 0.00      
8 Au 461 417 0.00      
9 B1g 934 847 0.00      
10 B1u 3353 3039 2.25      
11 B1u 1643 1489 114.37      
12 B1u 1199 1087 117.62      
13 B1u 1105 1002 41.95      
14 B1u 587 532 34.74      
15 B2g 1087 985 0.00      
16 B2g 782 709 0.00      
17 B2g 327 297 0.00      
18 B2u 3369 3054 3.34      
19 B2u 1533 1389 9.39      
20 B2u 1241 1125 3.94      
21 B2u 1162 1053 0.22      
22 B2u 237 215 1.20      
23 B3g 3354 3040 0.00      
24 B3g 1750 1586 0.00      
25 B3g 1431 1297 0.00      
26 B3g 690 625 0.00      
27 B3g 383 347 0.00      
28 B3u 944 855 61.68      
29 B3u 550 498 20.80      
30 B3u 113 102 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 19057.4 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 17273.6 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 HF/Def2TZVPP
ABC
0.19337 0.02252 0.02017

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.369
C2 0.000 0.000 -1.369
C3 0.000 1.199 0.690
C4 0.000 -1.199 0.690
C5 0.000 -1.199 -0.690
C6 0.000 1.199 -0.690
Cl7 0.000 0.000 3.104
Cl8 0.000 0.000 -3.104
H9 0.000 2.123 1.230
H10 0.000 -2.123 1.230
H11 0.000 -2.123 -1.230
H12 0.000 2.123 -1.230

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.73851.37761.37762.38282.38281.73494.47332.12792.12793.35653.3565
C22.73852.38282.38281.37761.37764.47331.73493.35653.35652.12792.1279
C31.37762.38282.39722.76611.38032.69523.97901.07093.36553.83712.1314
C41.37762.38282.39721.38032.76612.69523.97903.36551.07092.13143.8371
C52.38281.37762.76611.38032.39723.97902.69523.83712.13141.07093.3655
C62.38281.37761.38032.76612.39723.97902.69522.13143.83713.36551.0709
Cl71.73494.47332.69522.69523.97903.97906.20822.83192.83194.82654.8265
Cl84.47331.73493.97903.97902.69522.69526.20824.82654.82652.83192.8319
H92.12793.35651.07093.36553.83712.13142.83194.82654.24674.90802.4605
H102.12793.35653.36551.07092.13143.83712.83194.82654.24672.46054.9080
H113.35652.12793.83712.13141.07093.36554.82652.83194.90802.46054.2467
H123.35652.12792.13143.83713.36551.07094.82652.83192.46054.90804.2467

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 119.535 C1 C3 H9 120.176
C1 C4 C5 119.535 C1 C4 H10 120.176
C2 C5 C4 119.535 C2 C5 H11 120.176
C2 C6 C3 119.535 C2 C6 H12 120.176
C3 C1 C4 120.929 C3 C1 Cl7 119.535
C3 C6 H12 120.289 C4 C1 Cl7 119.535
C4 C5 H11 120.289 C5 C2 C6 120.929
C5 C2 Cl8 119.535 C5 C4 H10 120.289
C6 C2 Cl8 119.535 C6 C3 H9 120.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.079      
2 C 0.079      
3 C -0.091      
4 C -0.091      
5 C -0.091      
6 C -0.091      
7 Cl -0.100      
8 Cl -0.100      
9 H 0.102      
10 H 0.102      
11 H 0.102      
12 H 0.102      


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 -63.243 0.000 0.000
y 0.000 -52.952 0.000
z 0.000 0.000 -66.971
Traceless
 xyz
x -3.281 0.000 0.000
y 0.000 12.155 0.000
z 0.000 0.000 -8.874
Polar
3z2-r2-17.748
x2-y2-10.291
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.498 0.000 0.000
y 0.000 12.487 0.000
z 0.000 0.000 18.948


<r2> (average value of r2) Å2
<r2> 458.626
(<r2>)1/2 21.416