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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-1149.708278
Energy at 298.15K 
HF Energy-1148.613231
Nuclear repulsion energy452.483991
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/TZVP
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 3259 3090 2.37      
2 A1 3258 3089 0.18      
3 A1 3232 3063 3.45      
4 A1 1624 1539 25.63      
5 A1 1450 1375 12.11      
6 A1 1153 1093 16.98      
7 A1 1105 1047 15.72      
8 A1 1000 947 5.59      
9 A1 675 640 1.31      
10 A1 404 383 2.28      
11 A1 197 187 0.37      
12 A2 697 660 0.00      
13 A2 285 271 0.00      
14 A2 108 103 0.00      
15 B1 751 712 9.58      
16 B1 711 674 25.28      
17 B1 647 613 41.57      
18 B1 171 162 0.70      
19 B1 18 17 0.04      
20 B1 1593i 1510i 0.12      
21 B2 3254 3084 0.28      
22 B2 1625 1540 75.99      
23 B2 1501 1423 61.74      
24 B2 1437 1362 0.77      
25 B2 1307 1239 2.96      
26 B2 1201 1138 0.58      
27 B2 1118 1059 21.43      
28 B2 806 764 69.95      
29 B2 433 410 2.74      
30 B2 367 348 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 16099.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 15260.6 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/TZVP
ABC
0.09426 0.02860 0.02194

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.074
C2 0.000 1.212 1.389
C3 0.000 -1.212 1.389
C4 0.000 1.194 -0.002
C5 0.000 -1.194 -0.002
C6 0.000 0.000 -0.715
Cl7 0.000 2.702 -0.882
Cl8 0.000 -2.702 -0.882
H9 0.000 0.000 3.157
H10 0.000 2.154 1.919
H11 0.000 -2.154 1.919
H12 0.000 0.000 -1.796

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39211.39212.39502.39502.78924.00494.00491.08282.15932.15933.8703
C21.39212.42321.39082.77852.42762.71604.52452.14361.08143.40703.4074
C31.39212.42322.77851.39082.42764.52452.71602.14363.40701.08143.4074
C42.39501.39082.77852.38771.39051.74593.99383.37712.14793.85992.1549
C52.39502.77851.39082.38771.39053.99381.74593.37713.85992.14792.1549
C62.78922.42762.42761.39051.39052.70702.70703.87203.40283.40281.0810
Cl74.00492.71604.52451.74593.99382.70705.40374.85932.85465.60582.8523
Cl84.00494.52452.71603.99381.74592.70705.40374.85935.60582.85462.8523
H91.08282.14362.14363.37713.37713.87204.85934.85932.48402.48404.9531
H102.15931.08143.40702.14793.85993.40282.85465.60582.48404.30754.2946
H112.15933.40701.08143.85992.14793.40285.60582.85462.48404.30754.2946
H123.87033.40743.40742.15492.15491.08102.85232.85234.95314.29464.2946

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 118.771 C1 C2 H10 121.098
C1 C3 C5 118.771 C1 C3 H11 121.098
C2 C1 C3 120.994 C2 C1 H9 119.503
C2 C4 C6 121.578 C2 C4 Cl7 119.532
C3 C1 H9 119.503 C3 C5 C6 121.578
C3 C5 Cl8 119.532 C4 C2 H10 120.131
C4 C6 C5 118.308 C4 C6 H12 120.846
C5 C3 H11 120.131 C5 C6 H12 120.846
C6 C4 Cl7 118.890 C6 C5 Cl8 118.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability