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

using model chemistry: B2PLYP=FULL/6-31G

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/6-31G
 hartrees
Energy at 0K-1150.630293
Energy at 298.15K-1150.634427
HF Energy-1150.416964
Nuclear repulsion energy440.748395
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/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3262 3262 0.00      
2 Ag 1626 1626 0.00      
3 Ag 1236 1236 0.00      
4 Ag 1106 1106 0.00      
5 Ag 747 747 0.00      
6 Ag 320 320 0.00      
7 Au 977 977 0.00      
8 Au 429 429 0.00      
9 B1g 850 850 0.00      
10 B1u 3244 3244 0.32      
11 B1u 1536 1536 89.31      
12 B1u 1115 1115 81.61      
13 B1u 1044 1044 96.68      
14 B1u 512 512 37.44      
15 B2g 955 955 0.00      
16 B2g 695 695 0.00      
17 B2g 295 295 0.00      
18 B2u 3259 3259 1.96      
19 B2u 1437 1437 7.06      
20 B2u 1361 1361 1.19      
21 B2u 1151 1151 4.12      
22 B2u 210 210 1.96      
23 B3g 3245 3245 0.00      
24 B3g 1638 1638 0.00      
25 B3g 1361 1361 0.00      
26 B3g 655 655 0.00      
27 B3g 345 345 0.00      
28 B3u 848 848 70.89      
29 B3u 502 502 20.40      
30 B3u 100 100 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 18029.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18029.8 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/6-31G
ABC
0.18696 0.02121 0.01905

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.380
C2 0.000 0.000 -1.380
C3 0.000 1.220 0.702
C4 0.000 -1.220 0.702
C5 0.000 -1.220 -0.702
C6 0.000 1.220 -0.702
Cl7 0.000 0.000 3.207
Cl8 0.000 0.000 -3.207
H9 0.000 2.154 1.250
H10 0.000 -2.154 1.250
H11 0.000 -2.154 -1.250
H12 0.000 2.154 -1.250

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76071.39621.39622.41332.41331.82654.58722.15812.15813.39993.3999
C22.76072.41332.41331.39621.39624.58721.82653.39993.39992.15812.1581
C31.39622.41332.44032.81501.40352.78654.09461.08313.41863.89812.1637
C41.39622.41332.44031.40352.81502.78654.09463.41861.08312.16373.8981
C52.41331.39622.81501.40352.44034.09462.78653.89812.16371.08313.4186
C62.41331.39621.40352.81502.44034.09462.78652.16373.89813.41861.0831
Cl71.82654.58722.78652.78654.09464.09466.41382.91032.91034.95024.9502
Cl84.58721.82654.09464.09462.78652.78656.41384.95024.95022.91032.9103
H92.15813.39991.08313.41863.89812.16372.91034.95024.30844.98122.5001
H102.15813.39993.41861.08312.16373.89812.91034.95024.30842.50014.9812
H113.39992.15813.89812.16371.08313.41864.95022.91034.98122.50014.3084
H123.39992.15812.16373.89813.41861.08314.95022.91032.50014.98124.3084

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 119.083 C1 C3 H9 120.504
C1 C4 C5 119.083 C1 C4 H10 120.504
C2 C5 C4 119.083 C2 C5 H11 120.504
C2 C6 C3 119.083 C2 C6 H12 120.504
C3 C1 C4 121.834 C3 C1 Cl7 119.083
C3 C6 H12 120.413 C4 C1 Cl7 119.083
C4 C5 H11 120.413 C5 C2 C6 121.834
C5 C2 Cl8 119.083 C5 C4 H10 120.413
C6 C2 Cl8 119.083 C6 C3 H9 120.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability