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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-1151.504865
Energy at 298.15K-1151.509117
HF Energy-1151.504865
Nuclear repulsion energy450.249712
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 mPW1PW91/6-311G**
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 3240 3100 0.00      
2 Ag 1650 1578 0.00      
3 Ag 1200 1148 0.00      
4 Ag 1129 1080 0.00      
5 Ag 766 733 0.00      
6 Ag 335 321 0.00      
7 Au 983 940 0.00      
8 Au 422 404 0.00      
9 B1g 832 796 0.00      
10 B1u 3225 3085 1.10      
11 B1u 1519 1454 120.89      
12 B1u 1119 1070 109.32      
13 B1u 1029 984 60.39      
14 B1u 559 535 36.63      
15 B2g 963 922 0.00      
16 B2g 711 680 0.00      
17 B2g 299 286 0.00      
18 B2u 3239 3098 0.96      
19 B2u 1437 1375 6.40      
20 B2u 1340 1282 0.07      
21 B2u 1130 1081 5.13      
22 B2u 224 215 0.53      
23 B3g 3226 3087 0.00      
24 B3g 1643 1572 0.00      
25 B3g 1317 1260 0.00      
26 B3g 640 613 0.00      
27 B3g 360 345 0.00      
28 B3u 836 800 52.50      
29 B3u 501 479 29.92      
30 B3u 103 98 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 17989.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17210.5 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 mPW1PW91/6-311G**
ABC
0.19065 0.02235 0.02001

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.378
C2 0.000 0.000 -1.378
C3 0.000 1.207 0.694
C4 0.000 -1.207 0.694
C5 0.000 -1.207 -0.694
C6 0.000 1.207 -0.694
Cl7 0.000 0.000 3.117
Cl8 0.000 0.000 -3.117
H9 0.000 2.141 1.241
H10 0.000 -2.141 1.241
H11 0.000 -2.141 -1.241
H12 0.000 2.141 -1.241

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.75511.38741.38742.39742.39741.73914.49422.14492.14493.38193.3819
C22.75512.39742.39741.38741.38744.49421.73913.38193.38192.14492.1449
C31.38742.39742.41442.78471.38752.70703.99711.08183.39213.86642.1478
C41.38742.39742.41441.38752.78472.70703.99713.39211.08182.14783.8664
C52.39741.38742.78471.38752.41443.99712.70703.86642.14781.08183.3921
C62.39741.38741.38752.78472.41443.99712.70702.14783.86643.39211.0818
Cl71.73914.49422.70702.70703.99713.99716.23332.84622.84624.85474.8547
Cl84.49421.73913.99713.99712.70702.70706.23334.85474.85472.84622.8462
H92.14493.38191.08183.39213.86642.14782.84624.85474.28104.94822.4814
H102.14493.38193.39211.08182.14783.86642.84624.85474.28102.48144.9482
H113.38192.14493.86642.14781.08183.39214.85472.84624.94822.48144.2810
H123.38192.14492.14783.86643.39211.08184.85472.84622.48144.94824.2810

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 119.529 C1 C3 H9 120.101
C1 C4 C5 119.529 C1 C4 H10 120.101
C2 C5 C4 119.529 C2 C5 H11 120.101
C2 C6 C3 119.529 C2 C6 H12 120.101
C3 C1 C4 120.943 C3 C1 Cl7 119.529
C3 C6 H12 120.370 C4 C1 Cl7 119.529
C4 C5 H11 120.370 C5 C2 C6 120.943
C5 C2 Cl8 119.529 C5 C4 H10 120.370
C6 C2 Cl8 119.529 C6 C3 H9 120.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.260      
2 C -0.260      
3 C 0.020      
4 C 0.020      
5 C 0.020      
6 C 0.020      
7 Cl -0.052      
8 Cl -0.052      
9 H 0.136      
10 H 0.136      
11 H 0.136      
12 H 0.136      


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 -63.053 0.000 0.000
y 0.000 -52.306 0.000
z 0.000 0.000 -65.842
Traceless
 xyz
x -3.979 0.000 0.000
y 0.000 12.141 0.000
z 0.000 0.000 -8.162
Polar
3z2-r2-16.324
x2-y2-10.747
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.141 0.000 0.000
y 0.000 11.802 0.000
z 0.000 0.000 19.582


<r2> (average value of r2) Å2
<r2> 461.769
(<r2>)1/2 21.489