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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-311G**
 hartrees
Energy at 0K-1151.048339
Energy at 298.15K-1151.052476
HF Energy-1150.622561
Nuclear repulsion energy448.475744
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 B2PLYP=FULL/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 3234 3234 0.00      
2 Ag 1626 1626 0.00      
3 Ag 1202 1202 0.00      
4 Ag 1115 1115 0.00      
5 Ag 760 760 0.00      
6 Ag 332 332 0.00      
7 Au 955 955 0.00      
8 Au 417 417 0.00      
9 B1g 823 823 0.00      
10 B1u 3219 3219 1.12      
11 B1u 1513 1513 107.65      
12 B1u 1114 1114 111.93      
13 B1u 1026 1026 60.18      
14 B1u 551 551 33.57      
15 B2g 920 920 0.00      
16 B2g 634 634 0.00      
17 B2g 292 292 0.00      
18 B2u 3232 3232 1.83      
19 B2u 1427 1427 6.61      
20 B2u 1335 1335 0.00      
21 B2u 1128 1128 4.08      
22 B2u 221 221 0.54      
23 B3g 3220 3220 0.00      
24 B3g 1621 1621 0.00      
25 B3g 1321 1321 0.00      
26 B3g 640 640 0.00      
27 B3g 357 357 0.00      
28 B3u 814 814 54.23      
29 B3u 485 485 24.40      
30 B3u 101 101 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 17817.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17817.5 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 B2PLYP=FULL/6-311G**
ABC
0.18944 0.02216 0.01984

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.383
C2 0.000 0.000 -1.383
C3 0.000 1.211 0.696
C4 0.000 -1.211 0.696
C5 0.000 -1.211 -0.696
C6 0.000 1.211 -0.696
Cl7 0.000 0.000 3.131
Cl8 0.000 0.000 -3.131
H9 0.000 2.145 1.243
H10 0.000 -2.145 1.243
H11 0.000 -2.145 -1.243
H12 0.000 2.145 -1.243

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76551.39231.39232.40642.40641.74784.51332.14952.14953.39063.3906
C22.76552.40642.40641.39231.39234.51331.74783.39063.39062.14952.1495
C31.39232.40642.42282.79471.39302.71884.01421.08193.40063.87652.1526
C41.39232.40642.42281.39302.79472.71884.01423.40061.08192.15263.8765
C52.40641.39232.79471.39302.42284.01422.71883.87652.15261.08193.4006
C62.40641.39231.39302.79472.42284.01422.71882.15263.87653.40061.0819
Cl71.74784.51332.71882.71884.01424.01426.26112.85712.85714.87144.8714
Cl84.51331.74784.01424.01422.71882.71886.26114.87144.87142.85712.8571
H92.14953.39061.08193.40063.87652.15262.85714.87144.29004.95842.4863
H102.14953.39063.40061.08192.15263.87652.85714.87144.29002.48634.9584
H113.39062.14953.87652.15261.08193.40064.87142.85714.95842.48634.2900
H123.39062.14952.15263.87653.40061.08194.87142.85712.48634.95844.2900

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 119.533 C1 C3 H9 120.117
C1 C4 C5 119.533 C1 C4 H10 120.117
C2 C5 C4 119.533 C2 C5 H11 120.117
C2 C6 C3 119.533 C2 C6 H12 120.117
C3 C1 C4 120.934 C3 C1 Cl7 119.533
C3 C6 H12 120.350 C4 C1 Cl7 119.533
C4 C5 H11 120.350 C5 C2 C6 120.934
C5 C2 Cl8 119.533 C5 C4 H10 120.350
C6 C2 Cl8 119.533 C6 C3 H9 120.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability