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

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-1148.589312
Energy at 298.15K-1148.593930
HF Energy-1148.589312
Nuclear repulsion energy451.168079
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/6-311G*
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 3391 3067 0.00      
2 Ag 1778 1608 0.00      
3 Ag 1292 1169 0.00      
4 Ag 1190 1076 0.00      
5 Ag 810 733 0.00      
6 Ag 354 320 0.00      
7 Au 1090 986 0.00      
8 Au 459 416 0.00      
9 B1g 927 838 0.00      
10 B1u 3374 3051 3.77      
11 B1u 1649 1491 119.24      
12 B1u 1201 1086 128.60      
13 B1u 1104 999 60.37      
14 B1u 586 530 38.05      
15 B2g 1070 968 0.00      
16 B2g 770 697 0.00      
17 B2g 325 294 0.00      
18 B2u 3389 3065 9.64      
19 B2u 1540 1393 10.00      
20 B2u 1250 1130 2.65      
21 B2u 1170 1058 0.03      
22 B2u 237 215 0.86      
23 B3g 3375 3052 0.00      
24 B3g 1760 1592 0.00      
25 B3g 1437 1299 0.00      
26 B3g 690 624 0.00      
27 B3g 386 349 0.00      
28 B3u 928 840 64.19      
29 B3u 547 495 29.34      
30 B3u 112 101 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 19095.4 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 17269.9 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 HF/6-311G*
ABC
0.19248 0.02239 0.02006

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.373
C2 0.000 0.000 -1.373
C3 0.000 1.202 0.692
C4 0.000 -1.202 0.692
C5 0.000 -1.202 -0.692
C6 0.000 1.202 -0.692
Cl7 0.000 0.000 3.115
Cl8 0.000 0.000 -3.115
H9 0.000 2.128 1.232
H10 0.000 -2.128 1.232
H11 0.000 -2.128 -1.232
H12 0.000 2.128 -1.232

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.74531.38111.38112.38872.38871.74254.48772.13312.13313.36413.3641
C22.74532.38872.38871.38111.38114.48771.74253.36413.36412.13312.1331
C31.38112.38872.40342.77321.38372.70493.99211.07293.37383.84622.1358
C41.38112.38872.40341.38372.77322.70493.99213.37381.07292.13583.8462
C52.38871.38112.77321.38372.40343.99212.70493.84622.13581.07293.3738
C62.38871.38111.38372.77322.40343.99212.70492.13583.84623.37381.0729
Cl71.74254.48772.70492.70493.99213.99216.23022.84162.84164.84064.8406
Cl84.48771.74253.99213.99212.70492.70496.23024.84064.84062.84162.8416
H92.13313.36411.07293.37383.84622.13582.84164.84064.25704.91912.4649
H102.13313.36413.37381.07292.13583.84622.84164.84064.25702.46494.9191
H113.36412.13313.84622.13581.07293.37384.84062.84164.91912.46494.2570
H123.36412.13312.13583.84623.37381.07294.84062.84162.46494.91914.2570

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 119.533 C1 C3 H9 120.210
C1 C4 C5 119.533 C1 C4 H10 120.210
C2 C5 C4 119.533 C2 C5 H11 120.210
C2 C6 C3 119.533 C2 C6 H12 120.210
C3 C1 C4 120.934 C3 C1 Cl7 119.533
C3 C6 H12 120.257 C4 C1 Cl7 119.533
C4 C5 H11 120.257 C5 C2 C6 120.934
C5 C2 Cl8 119.533 C5 C4 H10 120.257
C6 C2 Cl8 119.533 C6 C3 H9 120.257
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.158      
2 C -0.158      
3 C -0.133      
4 C -0.133      
5 C -0.133      
6 C -0.133      
7 Cl -0.097      
8 Cl -0.097      
9 H 0.261      
10 H 0.261      
11 H 0.261      
12 H 0.261      


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 -64.294 0.000 0.000
y 0.000 -52.755 0.000
z 0.000 0.000 -68.434
Traceless
 xyz
x -3.700 0.000 0.000
y 0.000 13.610 0.000
z 0.000 0.000 -9.910
Polar
3z2-r2-19.819
x2-y2-11.540
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.981 0.000 0.000
y 0.000 11.266 0.000
z 0.000 0.000 18.170


<r2> (average value of r2) Å2
<r2> 461.499
(<r2>)1/2 21.483