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

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-1150.742438
Energy at 298.15K-1150.746391
HF Energy-1150.742438
Nuclear repulsion energy446.044958
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 PBEPBE/6-31G*
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 3163 3118 0.00      
2 Ag 1590 1568 0.00      
3 Ag 1172 1155 0.00      
4 Ag 1089 1074 0.00      
5 Ag 739 728 0.00      
6 Ag 323 318 0.00      
7 Au 914 901 0.00      
8 Au 406 400 0.00      
9 B1g 790 779 0.00      
10 B1u 3148 3103 2.16      
11 B1u 1474 1452 104.49      
12 B1u 1081 1065 99.65      
13 B1u 992 978 66.28      
14 B1u 537 529 38.09      
15 B2g 911 898 0.00      
16 B2g 672 662 0.00      
17 B2g 288 284 0.00      
18 B2u 3162 3116 2.61      
19 B2u 1399 1379 4.45      
20 B2u 1344 1325 0.03      
21 B2u 1101 1085 6.12      
22 B2u 217 214 1.01      
23 B3g 3150 3105 0.00      
24 B3g 1585 1562 0.00      
25 B3g 1278 1260 0.00      
26 B3g 618 609 0.00      
27 B3g 347 342 0.00      
28 B3u 792 780 52.48      
29 B3u 475 469 13.43      
30 B3u 99 98 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 17427.6 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 17178.4 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 PBEPBE/6-31G*
ABC
0.18673 0.02195 0.01964

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.391
C2 0.000 0.000 -1.391
C3 0.000 1.220 0.700
C4 0.000 -1.220 0.700
C5 0.000 -1.220 -0.700
C6 0.000 1.220 -0.700
Cl7 0.000 0.000 3.145
Cl8 0.000 0.000 -3.145
H9 0.000 2.163 1.252
H10 0.000 -2.163 1.252
H11 0.000 -2.163 -1.252
H12 0.000 2.163 -1.252

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.78151.40161.40162.42082.42081.75384.53542.16752.16753.41553.4155
C22.78152.42082.42081.40161.40164.53541.75383.41553.41552.16752.1675
C31.40162.42082.43952.81291.40052.73184.03371.09313.42763.90602.1686
C41.40162.42082.43951.40052.81292.73184.03373.42761.09312.16863.9060
C52.42081.40162.81291.40052.43954.03372.73183.90602.16861.09313.4276
C62.42081.40161.40052.81292.43954.03372.73182.16863.90603.42761.0931
Cl71.75384.53542.73182.73184.03374.03376.28922.87392.87394.90034.9003
Cl84.53541.75384.03374.03372.73182.73186.28924.90034.90032.87392.8739
H92.16753.41551.09313.42763.90602.16862.87394.90034.32624.99912.5048
H102.16753.41553.42761.09312.16863.90602.87394.90034.32622.50484.9991
H113.41552.16753.90602.16861.09313.42764.90032.87394.99912.50484.3262
H123.41552.16752.16863.90603.42761.09314.90032.87392.50484.99914.3262

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 119.514 C1 C3 H9 120.146
C1 C4 C5 119.514 C1 C4 H10 120.146
C2 C5 C4 119.514 C2 C5 H11 120.146
C2 C6 C3 119.514 C2 C6 H12 120.146
C3 C1 C4 120.972 C3 C1 Cl7 119.514
C3 C6 H12 120.340 C4 C1 Cl7 119.514
C4 C5 H11 120.340 C5 C2 C6 120.972
C5 C2 Cl8 119.514 C5 C4 H10 120.340
C6 C2 Cl8 119.514 C6 C3 H9 120.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.090      
2 C -0.090      
3 C -0.130      
4 C -0.130      
5 C -0.130      
6 C -0.130      
7 Cl 0.009      
8 Cl 0.009      
9 H 0.171      
10 H 0.171      
11 H 0.171      
12 H 0.171      


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 -61.775 0.000 0.000
y 0.000 -51.930 0.000
z 0.000 0.000 -64.682
Traceless
 xyz
x -3.469 0.000 0.000
y 0.000 11.299 0.000
z 0.000 0.000 -7.830
Polar
3z2-r2-15.660
x2-y2-9.846
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.579 0.000 0.000
y 0.000 11.738 0.000
z 0.000 0.000 19.607


<r2> (average value of r2) Å2
<r2> 469.024
(<r2>)1/2 21.657