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

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

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD=FULL/TZVP
 hartrees
Energy at 0K-997.817654
Energy at 298.15K-997.822563
HF Energy-997.103633
Nuclear repulsion energy201.726340
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 CCSD=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 3190 3023 1.82      
2 A 3132 2967 26.23      
3 A 1501 1422 0.17      
4 A 1401 1328 23.37      
5 A 1264 1197 1.13      
6 A 1086 1029 0.64      
7 A 989 937 7.88      
8 A 690 654 18.04      
9 A 272 257 0.59      
10 A 122 116 0.92      
11 B 3202 3034 7.52      
12 B 3123 2959 4.26      
13 B 1495 1416 8.79      
14 B 1378 1306 46.60      
15 B 1197 1134 1.28      
16 B 926 878 13.59      
17 B 718 680 20.56      
18 B 421 399 7.19      

Unscaled Zero Point Vibrational Energy (zpe) 13052.7 cm-1
Scaled (by 0.9475) Zero Point Vibrational Energy (zpe) 12367.4 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 CCSD=FULL/TZVP
ABC
0.33360 0.07368 0.06415

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.298 0.694 0.894
C2 -0.298 -0.694 0.894
Cl3 -0.298 1.697 -0.471
Cl4 0.298 -1.697 -0.471
H5 0.011 1.202 1.812
H6 1.381 0.653 0.822
H7 -0.011 -1.202 1.812
H8 -1.381 -0.653 0.822

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.51011.79522.75241.08791.08592.12892.1534
C21.51012.75241.79522.12892.15341.08791.0859
Cl31.79522.75243.44512.35572.36153.70072.8923
Cl42.75241.79523.44513.70072.89232.35572.3615
H51.08792.12892.35573.70071.77712.40442.5216
H61.08592.15342.36152.89231.77712.52163.0548
H72.12891.08793.70072.35572.40442.52161.7771
H82.15341.08592.89232.36152.52163.05481.7771

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 112.479 C1 C2 H7 108.977
C1 C2 H8 111.050 C2 C1 Cl3 112.479
C2 C1 H5 108.977 C2 C1 H6 111.050
Cl3 C1 H5 107.018 Cl3 C1 H6 107.537
Cl4 C2 H7 107.018 Cl4 C2 H8 107.537
H5 C1 H6 109.674 H7 C2 H8 109.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability