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

using model chemistry: MP2=FULL/TZVP

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 MP2=FULL/TZVP
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP2=FULL/TZVP
 hartrees
Energy at 0K-997.772310
Energy at 298.15K-997.777237
HF Energy-997.103559
Nuclear repulsion energy202.535449
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 MP2=FULL/TZVP
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 3207 3055 1.26      
2 A 3140 2992 23.28      
3 A 1491 1421 0.28      
4 A 1395 1329 22.30      
5 A 1262 1202 1.36      
6 A 1087 1036 0.72      
7 A 991 944 8.44      
8 A 701 667 16.93      
9 A 274 261 0.62      
10 A 125 119 0.84      
11 B 3218 3066 4.81      
12 B 3134 2986 4.09      
13 B 1486 1416 10.53      
14 B 1373 1308 42.34      
15 B 1197 1140 1.39      
16 B 927 883 15.31      
17 B 727 692 18.64      
18 B 423 403 7.08      

Unscaled Zero Point Vibrational Energy (zpe) 13078.3 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 12459.7 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 MP2=FULL/TZVP
ABC
0.33394 0.07462 0.06483

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.295 0.693 0.894
C2 -0.295 -0.693 0.894
Cl3 -0.295 1.685 -0.471
Cl4 0.295 -1.685 -0.471
H5 0.003 1.201 1.810
H6 1.378 0.654 0.827
H7 -0.003 -1.201 1.810
H8 -1.378 -0.654 0.827

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.50611.78792.74221.08761.08562.12482.1485
C21.50612.74221.78792.12482.14851.08761.0856
Cl31.78792.74223.42172.35102.35513.69062.8860
Cl42.74221.78793.42173.69062.88602.35102.3551
H51.08762.12482.35103.69061.77692.40212.5125
H61.08562.14852.35512.88601.77692.51253.0500
H72.12481.08763.69062.35102.40212.51251.7769
H82.14851.08562.88602.35512.51253.05001.7769

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 112.427 C1 C2 H7 108.943
C1 C2 H8 110.946 C2 C1 Cl3 112.427
C2 C1 H5 108.943 C2 C1 H6 110.946
Cl3 C1 H5 107.170 Cl3 C1 H6 107.563
Cl4 C2 H7 107.170 Cl4 C2 H8 107.563
H5 C1 H6 109.697 H7 C2 H8 109.697
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability