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

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

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/6-31+G**
 hartrees
Energy at 0K-1150.902085
Energy at 298.15K-1150.906083
HF Energy-1150.535153
Nuclear repulsion energy447.935872
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/6-31+G**
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 3258 3098 0.00      
2 Ag 1638 1558 0.00      
3 Ag 1211 1151 0.00      
4 Ag 1118 1063 0.00      
5 Ag 762 725 0.00      
6 Ag 332 316 0.00      
7 Au 954 907 0.00      
8 Au 411 391 0.00      
9 B1g 824 783 0.00      
10 B1u 3243 3084 1.43      
11 B1u 1524 1449 103.94      
12 B1u 1122 1067 106.38      
13 B1u 1029 979 56.83      
14 B1u 552 525 33.14      
15 B2g 913 869 0.00      
16 B2g 501 476 0.00      
17 B2g 283 269 0.00      
18 B2u 3256 3097 1.87      
19 B2u 1437 1366 5.44      
20 B2u 1352 1286 0.01      
21 B2u 1136 1080 5.10      
22 B2u 222 211 0.82      
23 B3g 3244 3085 0.00      
24 B3g 1629 1549 0.00      
25 B3g 1328 1263 0.00      
26 B3g 641 610 0.00      
27 B3g 358 340 0.00      
28 B3u 814 775 63.44      
29 B3u 464 442 17.74      
30 B3u 100 95 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 17827.6 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 16954.1 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/6-31+G**
ABC
0.18884 0.02211 0.01979

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.386
C2 0.000 0.000 -1.386
C3 0.000 1.213 0.698
C4 0.000 -1.213 0.698
C5 0.000 -1.213 -0.698
C6 0.000 1.213 -0.698
Cl7 0.000 0.000 3.134
Cl8 0.000 0.000 -3.134
H9 0.000 2.148 1.243
H10 0.000 -2.148 1.243
H11 0.000 -2.148 -1.243
H12 0.000 2.148 -1.243

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.77151.39481.39482.41112.41111.74804.51952.15272.15273.39493.3949
C22.77152.41112.41111.39481.39484.51951.74803.39493.39492.15272.1527
C31.39482.41112.42672.79941.39552.72154.01901.08223.40533.88152.1544
C41.39482.41112.42671.39552.79942.72154.01903.40531.08222.15443.8815
C52.41111.39482.79941.39552.42674.01902.72153.88152.15441.08223.4053
C62.41111.39481.39552.79942.42674.01902.72152.15443.88153.40531.0822
Cl71.74804.51952.72152.72154.01904.01906.26752.86142.86144.87574.8757
Cl84.51951.74804.01904.01902.72152.72156.26754.87574.87572.86142.8614
H92.15273.39491.08223.40533.88152.15442.86144.87574.29594.96372.4866
H102.15273.39493.40531.08222.15443.88152.86144.87574.29592.48664.9637
H113.39492.15273.88152.15441.08223.40534.87572.86144.96372.48664.2959
H123.39492.15272.15443.88153.40531.08224.87572.86142.48664.96374.2959

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 119.553 C1 C3 H9 120.173
C1 C4 C5 119.553 C1 C4 H10 120.173
C2 C5 C4 119.553 C2 C5 H11 120.173
C2 C6 C3 119.553 C2 C6 H12 120.173
C3 C1 C4 120.894 C3 C1 Cl7 119.553
C3 C6 H12 120.274 C4 C1 Cl7 119.553
C4 C5 H11 120.274 C5 C2 C6 120.894
C5 C2 Cl8 119.553 C5 C4 H10 120.274
C6 C2 Cl8 119.553 C6 C3 H9 120.274
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability