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

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-1151.435133
Energy at 298.15K-1151.439335
HF Energy-1151.435133
Nuclear repulsion energy450.158577
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 B1B95/6-31+G**
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 3256 3115 0.00      
2 Ag 1657 1585 0.00      
3 Ag 1201 1149 0.00      
4 Ag 1133 1084 0.00      
5 Ag 763 730 0.00      
6 Ag 333 318 0.00      
7 Au 979 937 0.00      
8 Au 419 401 0.00      
9 B1g 831 795 0.00      
10 B1u 3241 3101 1.59      
11 B1u 1521 1455 116.99      
12 B1u 1121 1073 102.56      
13 B1u 1021 977 59.91      
14 B1u 560 536 34.89      
15 B2g 960 918 0.00      
16 B2g 708 677 0.00      
17 B2g 301 288 0.00      
18 B2u 3255 3113 1.26      
19 B2u 1441 1379 5.38      
20 B2u 1354 1296 0.13      
21 B2u 1131 1082 6.26      
22 B2u 224 214 0.88      
23 B3g 3243 3102 0.00      
24 B3g 1650 1578 0.00      
25 B3g 1315 1258 0.00      
26 B3g 631 604 0.00      
27 B3g 353 338 0.00      
28 B3u 836 799 59.50      
29 B3u 495 474 20.58      
30 B3u 104 99 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 18018.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 17236.7 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 B1B95/6-31+G**
ABC
0.19029 0.02236 0.02000

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

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 1.208 0.695
C4 0.000 -1.208 0.695
C5 0.000 -1.208 -0.695
C6 0.000 1.208 -0.695
Cl7 0.000 0.000 3.116
Cl8 0.000 0.000 -3.116
H9 0.000 2.142 1.241
H10 0.000 -2.142 1.241
H11 0.000 -2.142 -1.241
H12 0.000 2.142 -1.241

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.75931.38901.38902.40052.40051.73634.49562.14692.14693.38533.3853
C22.75932.40052.40051.38901.38904.49561.73633.38533.38532.14692.1469
C31.38902.40052.41672.78751.38912.70613.99751.08243.39513.86992.1496
C41.38902.40052.41671.38912.78752.70613.99753.39511.08242.14963.8699
C52.40051.38902.78751.38912.41673.99752.70613.86992.14961.08243.3951
C62.40051.38901.38912.78752.41673.99752.70612.14963.86993.39511.0824
Cl71.73634.49562.70612.70613.99753.99756.23192.84672.84674.85564.8556
Cl84.49561.73633.99753.99752.70612.70616.23194.85564.85562.84672.8467
H92.14693.38531.08243.39513.86992.14962.84674.85564.28494.95222.4829
H102.14693.38533.39511.08242.14963.86992.84674.85564.28492.48294.9522
H113.38532.14693.86992.14961.08243.39514.85562.84674.95222.48294.2849
H123.38532.14692.14963.86993.39511.08244.85562.84672.48294.95224.2849

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 120.102
C1 C4 C5 119.551 C1 C4 H10 120.102
C2 C5 C4 119.551 C2 C5 H11 120.102
C2 C6 C3 119.551 C2 C6 H12 120.102
C3 C1 C4 120.898 C3 C1 Cl7 119.551
C3 C6 H12 120.347 C4 C1 Cl7 119.551
C4 C5 H11 120.347 C5 C2 C6 120.898
C5 C2 Cl8 119.551 C5 C4 H10 120.347
C6 C2 Cl8 119.551 C6 C3 H9 120.347
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.088      
2 C -0.088      
3 C -0.253      
4 C -0.253      
5 C -0.253      
6 C -0.253      
7 Cl 0.246      
8 Cl 0.246      
9 H 0.174      
10 H 0.174      
11 H 0.174      
12 H 0.174      


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 -62.711 0.000 0.000
y 0.000 -52.448 0.000
z 0.000 0.000 -65.824
Traceless
 xyz
x -3.575 0.000 0.000
y 0.000 11.820 0.000
z 0.000 0.000 -8.245
Polar
3z2-r2-16.490
x2-y2-10.263
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.358 0.000 0.000
y 0.000 12.834 0.000
z 0.000 0.000 19.868


<r2> (average value of r2) Å2
<r2> 461.776
(<r2>)1/2 21.489