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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-1148.596794
Energy at 298.15K-1148.601437
HF Energy-1148.596794
Nuclear repulsion energy451.201358
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 3374 3065 0.00      
2 Ag 1773 1611 0.00      
3 Ag 1286 1168 0.00      
4 Ag 1189 1080 0.00      
5 Ag 810 736 0.00      
6 Ag 354 322 0.00      
7 Au 1097 997 0.00      
8 Au 459 417 0.00      
9 B1g 929 844 0.00      
10 B1u 3357 3050 1.88      
11 B1u 1641 1491 121.51      
12 B1u 1198 1088 128.26      
13 B1u 1101 1001 59.54      
14 B1u 586 532 38.01      
15 B2g 1073 975 0.00      
16 B2g 773 702 0.00      
17 B2g 325 295 0.00      
18 B2u 3373 3064 3.99      
19 B2u 1533 1393 9.97      
20 B2u 1246 1132 2.69      
21 B2u 1168 1061 0.10      
22 B2u 238 216 0.85      
23 B3g 3358 3051 0.00      
24 B3g 1757 1597 0.00      
25 B3g 1427 1297 0.00      
26 B3g 689 626 0.00      
27 B3g 386 350 0.00      
28 B3u 932 847 59.80      
29 B3u 549 498 30.04      
30 B3u 112 102 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 19046.1 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 17303.3 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
0.19245 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 1.372
C2 0.000 0.000 -1.372
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 1.233
H10 0.000 -2.128 1.233
H11 0.000 -2.128 -1.233
H12 0.000 2.128 -1.233

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.74391.38101.38102.38812.38811.74274.48662.13302.13303.36393.3639
C22.74392.38812.38811.38101.38104.48661.74273.36393.36392.13302.1330
C31.38102.38812.40372.77341.38352.70463.99161.07313.37403.84652.1361
C41.38102.38812.40371.38352.77342.70463.99163.37401.07312.13613.8465
C52.38811.38102.77341.38352.40373.99162.70463.84652.13611.07313.3740
C62.38811.38101.38352.77342.40373.99162.70462.13613.84653.37401.0731
Cl71.74274.48662.70462.70463.99163.99166.22942.84102.84104.84074.8407
Cl84.48661.74273.99163.99162.70462.70466.22944.84074.84072.84102.8410
H92.13303.36391.07313.37403.84652.13612.84104.84074.25694.91962.4659
H102.13303.36393.37401.07312.13613.84652.84104.84074.25692.46594.9196
H113.36392.13303.84652.13611.07313.37404.84072.84104.91962.46594.2569
H123.36392.13302.13613.84653.37401.07314.84072.84102.46594.91964.2569

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 119.510 C1 C3 H9 120.202
C1 C4 C5 119.510 C1 C4 H10 120.202
C2 C5 C4 119.510 C2 C5 H11 120.202
C2 C6 C3 119.510 C2 C6 H12 120.202
C3 C1 C4 120.981 C3 C1 Cl7 119.510
C3 C6 H12 120.288 C4 C1 Cl7 119.510
C4 C5 H11 120.288 C5 C2 C6 120.981
C5 C2 Cl8 119.510 C5 C4 H10 120.288
C6 C2 Cl8 119.510 C6 C3 H9 120.288
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 -0.214      
2 C -0.214      
3 C 0.018      
4 C 0.018      
5 C 0.018      
6 C 0.018      
7 Cl -0.092      
8 Cl -0.092      
9 H 0.134      
10 H 0.134      
11 H 0.134      
12 H 0.134      


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 -64.134 0.000 0.000
y 0.000 -52.809 0.000
z 0.000 0.000 -68.525
Traceless
 xyz
x -3.467 0.000 0.000
y 0.000 13.521 0.000
z 0.000 0.000 -10.054
Polar
3z2-r2-20.107
x2-y2-11.325
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.069 0.000 0.000
y 0.000 11.324 0.000
z 0.000 0.000 18.202


<r2> (average value of r2) Å2
<r2> 461.393
(<r2>)1/2 21.480