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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-1150.899525
Energy at 298.15K-1150.903745
HF Energy-1150.899525
Nuclear repulsion energy449.608217
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 HSEh1PBE/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 3253 3104 0.00      
2 Ag 1661 1585 0.00      
3 Ag 1202 1148 0.00      
4 Ag 1136 1084 0.00      
5 Ag 770 734 0.00      
6 Ag 335 320 0.00      
7 Au 972 927 0.00      
8 Au 422 402 0.00      
9 B1g 832 794 0.00      
10 B1u 3238 3090 1.25      
11 B1u 1526 1456 116.26      
12 B1u 1125 1073 98.79      
13 B1u 1027 980 56.51      
14 B1u 562 537 34.24      
15 B2g 960 916 0.00      
16 B2g 705 673 0.00      
17 B2g 302 288 0.00      
18 B2u 3251 3103 0.93      
19 B2u 1445 1379 5.76      
20 B2u 1359 1297 0.00      
21 B2u 1133 1081 5.80      
22 B2u 225 215 1.05      
23 B3g 3239 3091 0.00      
24 B3g 1651 1576 0.00      
25 B3g 1316 1256 0.00      
26 B3g 640 610 0.00      
27 B3g 360 344 0.00      
28 B3u 835 797 54.86      
29 B3u 498 475 15.59      
30 B3u 104 100 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 18041.5 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 17217.0 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 HSEh1PBE/6-31G**
ABC
0.18969 0.02231 0.01996

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.381
C2 0.000 0.000 -1.381
C3 0.000 1.210 0.695
C4 0.000 -1.210 0.695
C5 0.000 -1.210 -0.695
C6 0.000 1.210 -0.695
Cl7 0.000 0.000 3.119
Cl8 0.000 0.000 -3.119
H9 0.000 2.146 1.244
H10 0.000 -2.146 1.244
H11 0.000 -2.146 -1.244
H12 0.000 2.146 -1.244

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76171.39111.39112.40302.40301.73844.50022.14992.14993.39013.3901
C22.76172.40302.40301.39111.39114.50021.73843.39013.39012.14992.1499
C31.39112.40302.42062.79141.39022.70954.00181.08443.40043.87582.1528
C41.39112.40302.42061.39022.79142.70954.00183.40041.08442.15283.8758
C52.40301.39112.79141.39022.42064.00182.70953.87582.15281.08443.4004
C62.40301.39111.39022.79142.42064.00182.70952.15283.87583.40041.0844
Cl71.73844.50022.70952.70954.00184.00186.23862.84962.84964.86224.8622
Cl84.50021.73844.00184.00182.70952.70956.23864.86224.86222.84962.8496
H92.14993.39011.08443.40043.87582.15282.84964.86224.29104.96012.4879
H102.14993.39013.40041.08442.15283.87582.84964.86224.29102.48794.9601
H113.39012.14993.87582.15281.08443.40044.86222.84964.96012.48794.2910
H123.39012.14992.15283.87583.40041.08444.86222.84962.48794.96014.2910

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 120.058
C1 C4 C5 119.535 C1 C4 H10 120.058
C2 C5 C4 119.535 C2 C5 H11 120.058
C2 C6 C3 119.535 C2 C6 H12 120.058
C3 C1 C4 120.929 C3 C1 Cl7 119.535
C3 C6 H12 120.407 C4 C1 Cl7 119.535
C4 C5 H11 120.407 C5 C2 C6 120.929
C5 C2 Cl8 119.535 C5 C4 H10 120.407
C6 C2 Cl8 119.535 C6 C3 H9 120.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.140      
2 C -0.140      
3 C -0.094      
4 C -0.094      
5 C -0.094      
6 C -0.094      
7 Cl 0.017      
8 Cl 0.017      
9 H 0.156      
10 H 0.156      
11 H 0.156      
12 H 0.156      


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 -61.879 0.000 0.000
y 0.000 -51.705 0.000
z 0.000 0.000 -64.912
Traceless
 xyz
x -3.570 0.000 0.000
y 0.000 11.690 0.000
z 0.000 0.000 -8.120
Polar
3z2-r2-16.239
x2-y2-10.174
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.575 0.000 0.000
y 0.000 11.469 0.000
z 0.000 0.000 18.661


<r2> (average value of r2) Å2
<r2> 462.220
(<r2>)1/2 21.499