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

using model chemistry: QCISD/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 QCISD/6-311G**
 hartrees
Energy at 0K-1149.735618
Energy at 298.15K-1149.739631
HF Energy-1148.594754
Nuclear repulsion energy451.631309
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 QCISD/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 3242 3093 0.25      
2 A1 3237 3089 3.45      
3 A1 3209 3061 4.71      
4 A1 1646 1571 22.04      
5 A1 1460 1393 14.30      
6 A1 1168 1114 22.77      
7 A1 1108 1057 9.25      
8 A1 1007 961 4.76      
9 A1 679 648 1.55      
10 A1 408 389 1.97      
11 A1 197 188 0.19      
12 A2 878 837 0.00      
13 A2 508 485 0.00      
14 A2 202 192 0.00      
15 B1 932 889 0.19      
16 B1 841 802 2.76      
17 B1 759 724 67.88      
18 B1 471 449 0.42      
19 B1 426 407 5.53      
20 B1 167 159 0.24      
21 B2 3232 3084 1.38      
22 B2 1652 1576 72.97      
23 B2 1514 1445 59.28      
24 B2 1323 1262 1.59      
25 B2 1255 1197 0.36      
26 B2 1188 1133 1.23      
27 B2 1125 1073 26.06      
28 B2 811 774 70.74      
29 B2 436 416 1.97      
30 B2 368 351 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 17723.8 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 16910.3 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 QCISD/6-311G**
ABC
0.09383 0.02853 0.02188

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.081
C2 0.000 1.216 1.391
C3 0.000 -1.216 1.391
C4 0.000 1.200 -0.005
C5 0.000 -1.200 -0.005
C6 0.000 0.000 -0.719
Cl7 0.000 2.704 -0.883
Cl8 0.000 -2.704 -0.883
H9 0.000 0.000 3.167
H10 0.000 2.162 1.923
H11 0.000 -2.162 1.923
H12 0.000 0.000 -1.803

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39811.39812.40672.40672.80004.01224.01221.08642.16742.16743.8841
C21.39812.43221.39652.79072.43562.71784.53222.15261.08483.41943.4180
C31.39812.43222.79071.39652.43564.53222.71782.15263.41941.08483.4180
C42.40671.39652.79072.40011.39631.74154.00183.39202.15473.87552.1616
C52.40672.79071.39652.40011.39634.00181.74153.39203.87552.15472.1616
C62.80002.43562.43561.39631.39632.70922.70923.88653.41373.41371.0841
Cl74.01222.71784.53221.74154.00182.70925.40864.87012.85785.61702.8566
Cl84.01224.53222.71784.00181.74152.70925.40864.87015.61702.85782.8566
H91.08642.15262.15263.39203.39203.88654.87014.87012.49432.49434.9706
H102.16741.08483.41942.15473.87553.41372.85785.61702.49434.32334.3078
H112.16743.41941.08483.87552.15473.41375.61702.85782.49434.32334.3078
H123.88413.41803.41802.16162.16161.08412.85662.85664.97064.30784.3078

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 118.902 C1 C2 H10 121.087
C1 C3 C5 118.902 C1 C3 H11 121.087
C2 C1 C3 120.878 C2 C1 H9 119.561
C2 C4 C6 121.404 C2 C4 Cl7 119.604
C3 C1 H9 119.561 C3 C5 C6 121.404
C3 C5 Cl8 119.604 C4 C2 H10 120.011
C4 C6 C5 118.508 C4 C6 H12 120.746
C5 C3 H11 120.011 C5 C6 H12 120.746
C6 C4 Cl7 118.992 C6 C5 Cl8 118.992
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability