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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-1151.246796
Energy at 298.15K-1151.250952
HF Energy-1151.246796
Nuclear repulsion energy448.714817
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 B3PW91/6-31G*
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 3243 3102 0.00      
2 Ag 1649 1578 0.00      
3 Ag 1207 1155 0.00      
4 Ag 1125 1076 0.00      
5 Ag 763 730 0.00      
6 Ag 332 318 0.00      
7 Au 963 921 0.00      
8 Au 419 401 0.00      
9 B1g 827 791 0.00      
10 B1u 3228 3088 1.91      
11 B1u 1525 1459 109.12      
12 B1u 1119 1070 100.31      
13 B1u 1024 980 62.33      
14 B1u 555 531 35.90      
15 B2g 954 913 0.00      
16 B2g 699 669 0.00      
17 B2g 299 286 0.00      
18 B2u 3242 3101 2.41      
19 B2u 1442 1379 5.68      
20 B2u 1352 1293 0.03      
21 B2u 1135 1086 5.50      
22 B2u 223 213 1.08      
23 B3g 3229 3090 0.00      
24 B3g 1640 1569 0.00      
25 B3g 1322 1265 0.00      
26 B3g 637 610 0.00      
27 B3g 358 342 0.00      
28 B3u 829 793 57.31      
29 B3u 495 474 15.23      
30 B3u 103 99 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 17969.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17191.0 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 B3PW91/6-31G*
ABC
0.18917 0.02221 0.01987

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.383
C2 0.000 0.000 -1.383
C3 0.000 1.212 0.696
C4 0.000 -1.212 0.696
C5 0.000 -1.212 -0.696
C6 0.000 1.212 -0.696
Cl7 0.000 0.000 3.127
Cl8 0.000 0.000 -3.127
H9 0.000 2.149 1.244
H10 0.000 -2.149 1.244
H11 0.000 -2.149 -1.244
H12 0.000 2.149 -1.244

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76551.39291.39292.40642.40641.74404.50942.15312.15313.39363.3936
C22.76552.40642.40641.39291.39294.50941.74403.39363.39362.15312.1531
C31.39292.40642.42392.79531.39232.71594.01041.08523.40503.88052.1545
C41.39292.40642.42391.39232.79532.71594.01043.40501.08522.15453.8805
C52.40641.39292.79531.39232.42394.01042.71593.88052.15451.08523.4050
C62.40641.39291.39232.79532.42394.01042.71592.15453.88053.40501.0852
Cl71.74404.50942.71592.71594.01044.01046.25342.85682.85684.87034.8703
Cl84.50941.74404.01044.01042.71592.71596.25344.87034.87032.85682.8568
H92.15313.39361.08523.40503.88052.15452.85684.87034.29734.96562.4881
H102.15313.39363.40501.08522.15453.88052.85684.87034.29732.48814.9656
H113.39362.15313.88052.15451.08523.40504.87032.85684.96562.48814.2973
H123.39362.15312.15453.88053.40501.08524.87032.85682.48814.96564.2973

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 119.532 C1 C3 H9 120.145
C1 C4 C5 119.532 C1 C4 H10 120.145
C2 C5 C4 119.532 C2 C5 H11 120.145
C2 C6 C3 119.532 C2 C6 H12 120.145
C3 C1 C4 120.936 C3 C1 Cl7 119.532
C3 C6 H12 120.323 C4 C1 Cl7 119.532
C4 C5 H11 120.323 C5 C2 C6 120.936
C5 C2 Cl8 119.532 C5 C4 H10 120.323
C6 C2 Cl8 119.532 C6 C3 H9 120.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.102      
2 C -0.102      
3 C -0.152      
4 C -0.152      
5 C -0.152      
6 C -0.152      
7 Cl 0.010      
8 Cl 0.010      
9 H 0.197      
10 H 0.197      
11 H 0.197      
12 H 0.197      


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 -61.786 0.000 0.000
y 0.000 -51.549 0.000
z 0.000 0.000 -64.895
Traceless
 xyz
x -3.564 0.000 0.000
y 0.000 11.791 0.000
z 0.000 0.000 -8.227
Polar
3z2-r2-16.454
x2-y2-10.236
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.538 0.000 0.000
y 0.000 11.445 0.000
z 0.000 0.000 18.779


<r2> (average value of r2) Å2
<r2> 463.982
(<r2>)1/2 21.540