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

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

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-997.697002
Energy at 298.15K-997.701843
HF Energy-997.075840
Nuclear repulsion energy200.852741
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(T)/cc-pVDZ
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 3155 3088        
2 A 3095 3029        
3 A 1466 1435        
4 A 1342 1313        
5 A 1227 1201        
6 A 1064 1041        
7 A 964 944        
8 A 677 663        
9 A 264 259        
10 A 119 117        
11 B 3167 3099        
12 B 3085 3019        
13 B 1461 1430        
14 B 1314 1286        
15 B 1157 1132        
16 B 899 880        
17 B 702 687        
18 B 411 403        

Unscaled Zero Point Vibrational Energy (zpe) 12784.5 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 12513.5 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(T)/cc-pVDZ
ABC
0.32764 0.07359 0.06392

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.298 0.701 0.901
C2 -0.298 -0.701 0.901
Cl3 -0.298 1.696 -0.475
Cl4 0.298 -1.696 -0.475
H5 0.003 1.221 1.831
H6 1.398 0.664 0.836
H7 -0.003 -1.221 1.831
H8 -1.398 -0.664 0.836

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.52401.79962.76421.10461.10272.15622.1781
C21.52402.76421.79962.15622.17811.10461.1027
Cl31.79962.76423.44342.37342.37923.72962.9148
Cl42.76421.79963.44343.72962.91482.37342.3792
H51.10462.15622.37343.72961.80132.44172.5504
H61.10272.17812.37922.91481.80132.55043.0952
H72.15621.10463.72962.37342.44172.55041.8013
H82.17811.10272.91482.37922.55043.09521.8013

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 112.278 C1 C2 H7 109.182
C1 C2 H8 111.016 C2 C1 Cl3 112.278
C2 C1 H5 109.182 C2 C1 H6 111.016
Cl3 C1 H5 107.177 Cl3 C1 H6 107.693
Cl4 C2 H7 107.177 Cl4 C2 H8 107.693
H5 C1 H6 109.386 H7 C2 H8 109.386
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability