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

using model chemistry: CCD/cc-pVDZ

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/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCD/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-997.677932
Energy at 298.15K-997.682816
HF Energy-997.076082
Nuclear repulsion energy201.321418
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3180 3042 1.78      
2 A 3120 2985 25.79      
3 A 1481 1417 0.23      
4 A 1363 1304 20.37      
5 A 1245 1191 0.84      
6 A 1078 1032 1.19      
7 A 978 936 8.62      
8 A 696 666 15.56      
9 A 266 255 0.64      
10 A 120 115 0.85      
11 B 3190 3052 7.56      
12 B 3110 2975 4.63      
13 B 1476 1412 7.79      
14 B 1336 1278 37.49      
15 B 1174 1123 0.90      
16 B 914 874 14.15      
17 B 723 692 18.85      
18 B 418 400 6.42      

Unscaled Zero Point Vibrational Energy (zpe) 12933.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 12373.8 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/cc-pVDZ
ABC
0.33058 0.07375 0.06413

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.297 0.701 0.896
C2 -0.297 -0.701 0.896
Cl3 -0.297 1.694 -0.473
Cl4 0.297 -1.694 -0.473
H5 0.004 1.217 1.826
H6 1.395 0.664 0.833
H7 -0.004 -1.217 1.826
H8 -1.395 -0.664 0.833

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.52231.79252.75891.10271.10102.15262.1745
C21.52232.75891.79252.15262.17451.10271.1010
Cl31.79252.75893.43972.36672.37253.72102.9108
Cl42.75891.79253.43973.72102.91082.36672.3725
H51.10272.15262.36673.72101.79652.43462.5457
H61.10102.17452.37252.91081.79652.54573.0900
H72.15261.10273.72102.36672.43462.54571.7965
H82.17451.10102.91082.37252.54573.09001.7965

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 112.417 C1 C2 H7 109.130
C1 C2 H8 110.958 C2 C1 Cl3 112.417
C2 C1 H5 109.130 C2 C1 H6 110.958
Cl3 C1 H5 107.248 Cl3 C1 H6 107.755
Cl4 C2 H7 107.248 Cl4 C2 H8 107.755
H5 C1 H6 109.221 H7 C2 H8 109.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability