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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-1148.509098
Energy at 298.15K-1148.513738
HF Energy-1148.509098
Nuclear repulsion energy451.060205
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/6-31G**
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 3395 3064 0.00      
2 Ag 1789 1614 0.00      
3 Ag 1294 1168 0.00      
4 Ag 1200 1083 0.00      
5 Ag 816 737 0.00      
6 Ag 355 321 0.00      
7 Au 1100 993 0.00      
8 Au 460 415 0.00      
9 B1g 936 845 0.00      
10 B1u 3378 3049 2.21      
11 B1u 1653 1492 118.16      
12 B1u 1208 1090 116.22      
13 B1u 1108 1000 54.23      
14 B1u 590 532 35.55      
15 B2g 1082 976 0.00      
16 B2g 776 700 0.00      
17 B2g 329 297 0.00      
18 B2u 3394 3063 4.29      
19 B2u 1546 1396 9.85      
20 B2u 1260 1137 2.76      
21 B2u 1184 1069 0.44      
22 B2u 238 215 1.43      
23 B3g 3380 3050 0.00      
24 B3g 1769 1596 0.00      
25 B3g 1435 1295 0.00      
26 B3g 691 624 0.00      
27 B3g 386 349 0.00      
28 B3u 939 848 61.00      
29 B3u 551 497 18.54      
30 B3u 113 102 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 19177.0 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 17309.2 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/6-31G**
ABC
0.19209 0.02239 0.02005

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.373
C2 0.000 0.000 -1.373
C3 0.000 1.203 0.692
C4 0.000 -1.203 0.692
C5 0.000 -1.203 -0.692
C6 0.000 1.203 -0.692
Cl7 0.000 0.000 3.115
Cl8 0.000 0.000 -3.115
H9 0.000 2.130 1.233
H10 0.000 -2.130 1.233
H11 0.000 -2.130 -1.233
H12 0.000 2.130 -1.233

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.74651.38251.38252.39012.39011.74154.48802.13472.13473.36623.3662
C22.74652.39012.39011.38251.38254.48801.74153.36623.36622.13472.1347
C31.38252.39012.40602.77571.38412.70493.99241.07353.37683.84922.1370
C41.38252.39012.40601.38412.77572.70493.99243.37681.07352.13703.8492
C52.39011.38252.77571.38412.40603.99242.70493.84922.13701.07353.3768
C62.39011.38251.38412.77572.40603.99242.70492.13703.84923.37681.0735
Cl71.74154.48802.70492.70493.99243.99246.22952.84202.84204.84184.8418
Cl84.48801.74153.99243.99242.70492.70496.22954.84184.84182.84202.8420
H92.13473.36621.07353.37683.84922.13702.84204.84184.26024.92272.4666
H102.13473.36623.37681.07352.13703.84922.84204.84184.26022.46664.9227
H113.36622.13473.84922.13701.07353.37684.84182.84204.92272.46664.2602
H123.36622.13472.13703.84923.37681.07354.84182.84202.46664.92274.2602

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 119.521 C1 C3 H9 120.201
C1 C4 C5 119.521 C1 C4 H10 120.201
C2 C5 C4 119.521 C2 C5 H11 120.201
C2 C6 C3 119.521 C2 C6 H12 120.201
C3 C1 C4 120.957 C3 C1 Cl7 119.521
C3 C6 H12 120.278 C4 C1 Cl7 119.521
C4 C5 H11 120.278 C5 C2 C6 120.957
C5 C2 Cl8 119.521 C5 C4 H10 120.278
C6 C2 Cl8 119.521 C6 C3 H9 120.278
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.164      
2 C -0.164      
3 C -0.109      
4 C -0.109      
5 C -0.109      
6 C -0.109      
7 Cl 0.008      
8 Cl 0.008      
9 H 0.187      
10 H 0.187      
11 H 0.187      
12 H 0.187      


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 -63.106 0.000 0.000
y 0.000 -52.231 0.000
z 0.000 0.000 -67.585
Traceless
 xyz
x -3.198 0.000 0.000
y 0.000 13.115 0.000
z 0.000 0.000 -9.917
Polar
3z2-r2-19.833
x2-y2-10.875
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.503 0.000 0.000
y 0.000 11.019 0.000
z 0.000 0.000 17.344


<r2> (average value of r2) Å2
<r2> 461.028
(<r2>)1/2 21.472