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All results from a given calculation for C6H4Cl2 (1,2-dichlorobenzene)

using model chemistry: CCD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-1149.020343
Energy at 298.15K-1149.024395
HF Energy-1148.365530
Nuclear repulsion energy457.631278
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 CCD/6-31G
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 3199 3069 8.62      
2 A1 3178 3049 9.69      
3 A1 1629 1563 2.19      
4 A1 1519 1458 37.42      
5 A1 1275 1223 0.11      
6 A1 1214 1165 0.03      
7 A1 1160 1113 17.36      
8 A1 1060 1017 5.83      
9 A1 674 647 11.89      
10 A1 455 437 6.83      
11 A1 194 187 0.01      
12 A2 889 853 0.00      
13 A2 848 814 0.00      
14 A2 641 615 0.00      
15 A2 504 484 0.00      
16 A2 134 129 0.00      
17 B1 905 869 3.39      
18 B1 757 726 72.84      
19 B1 447 428 5.89      
20 B1 230 221 0.75      
21 B2 3193 3064 6.23      
22 B2 3163 3035 2.23      
23 B2 1634 1568 5.51      
24 B2 1486 1425 13.85      
25 B2 1314 1261 2.10      
26 B2 1167 1119 1.60      
27 B2 1060 1017 35.28      
28 B2 744 714 15.05      
29 B2 415 398 0.67      
30 B2 329 316 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 17708.2 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 16991.0 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 CCD/6-31G
ABC
0.06014 0.04527 0.02583

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.701 -0.002
C2 0.000 -0.701 -0.002
C3 0.000 1.407 1.215
C4 0.000 -1.407 1.215
C5 0.000 0.706 2.436
C6 0.000 -0.706 2.436
Cl7 0.000 1.662 -1.557
Cl8 0.000 -1.662 -1.557
H9 0.000 2.498 1.197
H10 0.000 -2.498 1.197
H11 0.000 1.260 3.378
H12 0.000 -1.260 3.378

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40211.40722.43442.43852.81511.82822.82902.16023.41653.42573.9074
C21.40212.43441.40722.81512.43852.82901.82823.41652.16023.90743.4257
C31.40722.43442.81451.40862.44042.78404.13611.09113.90562.16783.4336
C42.43441.40722.81452.44041.40864.13612.78403.90561.09113.43362.1678
C52.43852.81511.40862.44041.41114.10664.64282.17973.43531.09232.1790
C62.81512.43852.44041.40861.41114.64284.10663.43532.17972.17901.0923
Cl71.82822.82902.78404.13614.10664.64283.32442.87784.98924.95145.7351
Cl82.82901.82824.13612.78404.64284.10663.32444.98922.87785.73514.9514
H92.16023.41651.09113.90562.17973.43532.87784.98924.99652.50844.3450
H103.41652.16023.90561.09113.43532.17974.98922.87784.99654.34502.5084
H113.42573.90742.16783.43361.09232.17904.95145.73512.50844.34502.5191
H123.90743.42573.43362.16782.17901.09235.73514.95144.34502.50842.5191

picture of 1,2-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 120.123 C1 C2 Cl8 121.719
C1 C3 C5 119.997 C1 C3 H9 119.150
C2 C1 C3 120.123 C2 C1 Cl7 121.719
C2 C4 C6 119.997 C2 C4 H10 119.150
C3 C1 Cl7 118.158 C3 C5 C6 119.880
C3 C5 H11 119.643 C4 C2 Cl8 118.158
C4 C6 C5 119.880 C4 C6 H12 119.643
C5 C3 H9 120.853 C5 C6 H12 120.478
C6 C4 H10 120.853 C6 C5 H11 120.478
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability