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All results from a given calculation for C6H4Cl2 (1,3-dichlorobenzene)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-1149.691578
Energy at 298.15K-1149.695378
HF Energy-1148.594753
Nuclear repulsion energy452.286698
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 MP2/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3246 3084 2.21      
2 A1 3245 3084 0.43      
3 A1 3219 3059 3.57      
4 A1 1621 1540 23.78      
5 A1 1443 1372 14.44      
6 A1 1162 1104 23.08      
7 A1 1102 1047 10.25      
8 A1 1002 952 5.31      
9 A1 675 641 1.36      
10 A1 408 388 1.84      
11 A1 197 188 0.17      
12 A2 844 802 0.00      
13 A2 489 465 0.00      
14 A2 197 187 0.00      
15 B1 900 856 0.11      
16 B1 811 771 2.46      
17 B1 741 704 72.44      
18 B1 417 396 5.04      
19 B1 323 307 0.21      
20 B1 164 156 0.31      
21 B2 3241 3079 0.40      
22 B2 1624 1543 75.91      
23 B2 1495 1420 63.25      
24 B2 1449 1377 2.54      
25 B2 1297 1232 2.79      
26 B2 1190 1130 0.82      
27 B2 1118 1063 26.71      
28 B2 812 771 71.57      
29 B2 434 413 1.85      
30 B2 367 349 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 17615.6 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 16738.4 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 MP2/6-311G**
ABC
0.09404 0.02864 0.02195

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.079
C2 0.000 1.216 1.390
C3 0.000 -1.216 1.390
C4 0.000 1.200 -0.007
C5 0.000 -1.200 -0.007
C6 0.000 0.000 -0.720
Cl7 0.000 2.698 -0.881
Cl8 0.000 -2.698 -0.881
H9 0.000 0.000 3.165
H10 0.000 2.162 1.921
H11 0.000 -2.162 1.921
H12 0.000 0.000 -1.805

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39741.39742.40592.40592.79924.00504.00501.08612.16752.16753.8833
C21.39742.43231.39702.79102.43612.71214.52562.15121.08453.41953.4186
C31.39742.43232.79101.39702.43614.52562.71212.15123.41951.08453.4186
C42.40591.39702.79102.40021.39641.73463.99513.39082.15453.87552.1618
C52.40592.79101.39702.40021.39643.99511.73463.39083.87552.15452.1618
C62.79922.43612.43611.39641.39642.70292.70293.88523.41363.41361.0841
Cl74.00502.71214.52561.73463.99512.70295.39624.86302.85335.61002.8518
Cl84.00504.52562.71213.99511.73462.70295.39624.86305.61002.85332.8518
H91.08612.15122.15123.39083.39083.88524.86304.86302.49392.49394.9694
H102.16751.08453.41952.15453.87553.41362.85335.61002.49394.32364.3077
H112.16753.41951.08453.87552.15453.41365.61002.85332.49394.32364.3077
H123.88333.41863.41862.16182.16181.08412.85182.85184.96944.30774.3077

picture of 1,3-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 118.851 C1 C2 H10 121.176
C1 C3 C5 118.851 C1 C3 H11 121.176
C2 C1 C3 120.982 C2 C1 H9 119.509
C2 C4 C6 121.406 C2 C4 Cl7 119.619
C3 C1 H9 119.509 C3 C5 C6 121.406
C3 C5 Cl8 119.619 C4 C2 H10 119.973
C4 C6 C5 118.504 C4 C6 H12 120.748
C5 C3 H11 119.973 C5 C6 H12 120.748
C6 C4 Cl7 118.975 C6 C5 Cl8 118.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability