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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-1151.343005
Energy at 298.15K-1151.347179
HF Energy-1151.343005
Nuclear repulsion energy449.389407
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 B3PW91/6-311G*
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 3222 3102 0.00      
2 Ag 1638 1577 0.00      
3 Ag 1201 1157 0.00      
4 Ag 1118 1076 0.00      
5 Ag 760 732 0.00      
6 Ag 332 320 0.00      
7 Au 960 924 0.00      
8 Au 419 404 0.00      
9 B1g 820 789 0.00      
10 B1u 3207 3087 2.65      
11 B1u 1517 1460 117.25      
12 B1u 1112 1071 109.75      
13 B1u 1025 987 64.50      
14 B1u 552 532 38.15      
15 B2g 949 913 0.00      
16 B2g 702 676 0.00      
17 B2g 296 285 0.00      
18 B2u 3221 3101 4.60      
19 B2u 1434 1380 6.43      
20 B2u 1335 1285 0.08      
21 B2u 1130 1088 4.93      
22 B2u 223 215 0.54      
23 B3g 3208 3089 0.00      
24 B3g 1631 1570 0.00      
25 B3g 1320 1270 0.00      
26 B3g 638 615 0.00      
27 B3g 359 345 0.00      
28 B3u 822 791 58.02      
29 B3u 495 476 29.12      
30 B3u 102 98 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 17873.0 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 17206.4 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 B3PW91/6-311G*
ABC
0.19011 0.02226 0.01993

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.380
C2 0.000 0.000 -1.380
C3 0.000 1.209 0.695
C4 0.000 -1.209 0.695
C5 0.000 -1.209 -0.695
C6 0.000 1.209 -0.695
Cl7 0.000 0.000 3.123
Cl8 0.000 0.000 -3.123
H9 0.000 2.145 1.241
H10 0.000 -2.145 1.241
H11 0.000 -2.145 -1.241
H12 0.000 2.145 -1.241

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76021.38951.38952.40132.40131.74334.50352.14932.14933.38713.3871
C22.76022.40132.40131.38951.38954.50351.74333.38713.38712.14932.1493
C31.38952.40132.41752.78841.38962.71284.00501.08403.39783.87242.1506
C41.38952.40132.41751.38962.78842.71284.00503.39781.08402.15063.8724
C52.40131.38952.78841.38962.41754.00502.71283.87242.15061.08403.3978
C62.40131.38951.38962.78842.41754.00502.71282.15063.87243.39781.0840
Cl71.74334.50352.71282.71284.00504.00506.24682.85342.85344.86334.8633
Cl84.50351.74334.00504.00502.71282.71286.24684.86334.86332.85342.8534
H92.14933.38711.08403.39783.87242.15062.85344.86334.28964.95632.4829
H102.14933.38713.39781.08402.15063.87242.85344.86334.28962.48294.9563
H113.38712.14933.87242.15061.08403.39784.86332.85344.95632.48294.2896
H123.38712.14932.15063.87243.39781.08404.86332.85342.48294.95634.2896

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 119.551 C1 C3 H9 120.165
C1 C4 C5 119.551 C1 C4 H10 120.165
C2 C5 C4 119.551 C2 C5 H11 120.165
C2 C6 C3 119.551 C2 C6 H12 120.165
C3 C1 C4 120.898 C3 C1 Cl7 119.551
C3 C6 H12 120.284 C4 C1 Cl7 119.551
C4 C5 H11 120.284 C5 C2 C6 120.898
C5 C2 Cl8 119.551 C5 C4 H10 120.284
C6 C2 Cl8 119.551 C6 C3 H9 120.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.188      
2 C -0.188      
3 C -0.118      
4 C -0.118      
5 C -0.118      
6 C -0.118      
7 Cl -0.057      
8 Cl -0.057      
9 H 0.241      
10 H 0.241      
11 H 0.241      
12 H 0.241      


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 -63.222 0.000 0.000
y 0.000 -52.234 0.000
z 0.000 0.000 -65.813
Traceless
 xyz
x -4.198 0.000 0.000
y 0.000 12.284 0.000
z 0.000 0.000 -8.086
Polar
3z2-r2-16.172
x2-y2-10.988
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.067 0.000 0.000
y 0.000 11.803 0.000
z 0.000 0.000 19.776


<r2> (average value of r2) Å2
<r2> 463.499
(<r2>)1/2 21.529