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All results from a given calculation for CH2ClCH2Cl (Ethane, 1,2-dichloro-)

using model chemistry: CCD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2 1A

Conformer 1 (C2H)

Jump to S1C2
Vibrational Frequencies calculated at CCD/6-31G**
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-997.624505
Energy at 298.15K-997.629428
HF Energy-997.033804
Nuclear repulsion energy202.322742
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 A 3233 3031 1.99      
2 A 3172 2974 24.64      
3 A 1538 1442 0.01      
4 A 1416 1328 23.43      
5 A 1288 1207 1.08      
6 A 1099 1031 0.45      
7 A 1006 944 9.17      
8 A 708 664 15.65      
9 A 268 251 0.65      
10 A 122 115 0.95      
11 B 3243 3041 8.25      
12 B 3164 2967 4.57      
13 B 1533 1438 8.98      
14 B 1395 1308 40.47      
15 B 1219 1143 1.21      
16 B 940 882 14.34      
17 B 739 693 18.18      
18 B 424 398 6.57      

Unscaled Zero Point Vibrational Energy (zpe) 13253.9 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 12426.8 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 CCD/6-31G**
ABC
0.33628 0.07406 0.06448

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.294 0.699 0.889
C2 -0.294 -0.699 0.889
Cl3 -0.294 1.692 -0.469
Cl4 0.294 -1.692 -0.469
H5 0.002 1.202 1.809
H6 1.378 0.662 0.832
H7 -0.002 -1.202 1.809
H8 -1.378 -0.662 0.832

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.51551.78232.74941.08821.08652.13202.1562
C21.51552.74941.78232.13202.15621.08821.0865
Cl31.78232.74943.43432.34902.35503.69442.8999
Cl42.74941.78233.43433.69442.89992.34902.3550
H51.08822.13202.34903.69441.77172.40382.5170
H61.08652.15622.35502.89991.77172.51703.0576
H72.13201.08823.69442.34902.40382.51701.7717
H82.15621.08652.89992.35502.51703.05761.7717

picture of Ethane, 1,2-dichloro- state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 112.713 C1 C2 H7 108.824
C1 C2 H8 110.847 C2 C1 Cl3 112.713
C2 C1 H5 108.824 C2 C1 H6 110.847
Cl3 C1 H5 107.350 Cl3 C1 H6 107.882
Cl4 C2 H7 107.350 Cl4 C2 H8 107.882
H5 C1 H6 109.114 H7 C2 H8 109.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability