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

using model chemistry: mPW1PW91/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-1151.475662
Energy at 298.15K-1151.479907
HF Energy-1151.475662
Nuclear repulsion energy448.951340
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/aug-cc-pVDZ
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 3248 3112 0.00      
2 Ag 1647 1579 0.00      
3 Ag 1191 1141 0.00      
4 Ag 1131 1084 0.00      
5 Ag 766 734 0.00      
6 Ag 334 320 0.00      
7 Au 976 936 0.00      
8 Au 420 403 0.00      
9 B1g 827 792 0.00      
10 B1u 3233 3098 1.05      
11 B1u 1506 1443 118.43      
12 B1u 1115 1068 91.61      
13 B1u 1021 979 55.92      
14 B1u 559 535 33.06      
15 B2g 953 913 0.00      
16 B2g 708 678 0.00      
17 B2g 303 290 0.00      
18 B2u 3246 3111 0.43      
19 B2u 1432 1372 6.37      
20 B2u 1354 1298 0.09      
21 B2u 1124 1077 7.14      
22 B2u 223 214 0.86      
23 B3g 3234 3099 0.00      
24 B3g 1645 1576 0.00      
25 B3g 1302 1248 0.00      
26 B3g 636 609 0.00      
27 B3g 356 341 0.00      
28 B3u 838 803 50.85      
29 B3u 497 476 20.21      
30 B3u 103 99 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 17962.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 17213.7 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 mPW1PW91/aug-cc-pVDZ
ABC
0.18903 0.02225 0.01991

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

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 1.212 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 3.123
Cl8 0.000 0.000 -3.123
H9 0.000 2.150 1.247
H10 0.000 -2.150 1.247
H11 0.000 -2.150 -1.247
H12 0.000 2.150 -1.247

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76001.39181.39182.40432.40431.74354.50352.15442.15443.39453.3945
C22.76002.40432.40431.39181.39184.50351.74353.39453.39452.15442.1544
C31.39182.40432.42452.79601.39262.71314.00751.08753.40733.88352.1575
C41.39182.40432.42451.39262.79602.71314.00753.40731.08752.15753.8835
C52.40431.39182.79601.39262.42454.00752.71313.88352.15751.08753.4073
C62.40431.39181.39262.79602.42454.00752.71312.15753.88353.40731.0875
Cl71.74354.50352.71312.71314.00754.00756.24692.85412.85414.87054.8705
Cl84.50351.74354.00754.00752.71312.71316.24694.87054.87052.85412.8541
H92.15443.39451.08753.40733.88352.15752.85414.87054.30054.97102.4933
H102.15443.39453.40731.08752.15753.88352.85414.87054.30052.49334.9710
H113.39452.15443.88352.15751.08753.40734.87052.85414.97102.49334.3005
H123.39452.15442.15753.88353.40731.08754.87052.85412.49334.97104.3005

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 119.422 C1 C3 H9 120.176
C1 C4 C5 119.422 C1 C4 H10 120.176
C2 C5 C4 119.422 C2 C5 H11 120.176
C2 C6 C3 119.422 C2 C6 H12 120.176
C3 C1 C4 121.155 C3 C1 Cl7 119.422
C3 C6 H12 120.402 C4 C1 Cl7 119.422
C4 C5 H11 120.402 C5 C2 C6 121.155
C5 C2 Cl8 119.422 C5 C4 H10 120.402
C6 C2 Cl8 119.422 C6 C3 H9 120.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.209      
2 C -0.209      
3 C 0.797      
4 C 0.797      
5 C 0.797      
6 C 0.797      
7 Cl -0.263      
8 Cl -0.263      
9 H -0.561      
10 H -0.561      
11 H -0.561      
12 H -0.561      


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 -62.811 0.000 0.000
y 0.000 -52.543 0.000
z 0.000 0.000 -65.543
Traceless
 xyz
x -3.768 0.000 0.000
y 0.000 11.633 0.000
z 0.000 0.000 -7.865
Polar
3z2-r2-15.731
x2-y2-10.268
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.696 0.000 0.000
y 0.000 13.869 0.000
z 0.000 0.000 21.319


<r2> (average value of r2) Å2
<r2> 463.837
(<r2>)1/2 21.537