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

using model chemistry: CCSD(T)=FULL/cc-pVTZ

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

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-998.037001
Energy at 298.15K-998.041874
HF Energy-997.132422
Nuclear repulsion energy203.050381
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)=FULL/cc-pVTZ
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 3147 3014        
2 A 3113 2982        
3 A 1493 1430        
4 A 1355 1298        
5 A 1242 1190        
6 A 1071 1026        
7 A 973 932        
8 A 685 656        
9 A 266 255        
10 A 122 117        
11 B 3160 3028        
12 B 3104 2973        
13 B 1489 1426        
14 B 1331 1275        
15 B 1176 1126        
16 B 907 869        
17 B 708 679        
18 B 413 395        

Unscaled Zero Point Vibrational Energy (zpe) 12876.3 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 12335.5 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)=FULL/cc-pVTZ
ABC
0.33246 0.07544 0.06541

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.296 0.693 0.898
C2 -0.296 -0.693 0.898
Cl3 -0.296 1.674 -0.472
Cl4 0.296 -1.674 -0.472
H5 0.005 1.210 1.806
H6 1.376 0.655 0.828
H7 -0.005 -1.210 1.806
H8 -1.376 -0.655 0.828

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.50671.78612.73471.08501.08322.12972.1488
C21.50672.73471.78612.12972.14881.08501.0832
Cl31.78612.73473.40062.34462.35113.68672.8777
Cl42.73471.78613.40063.68672.87772.34462.3511
H51.08502.12972.34463.68671.77322.41932.5182
H61.08322.14882.35112.87771.77322.51823.0483
H72.12971.08503.68672.34462.41932.51821.7732
H82.14881.08322.87772.35112.51823.04831.7732

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 112.022 C1 C2 H7 109.434
C1 C2 H8 111.081 C2 C1 Cl3 112.022
C2 C1 H5 109.434 C2 C1 H6 111.081
Cl3 C1 H5 106.946 Cl3 C1 H6 107.514
Cl4 C2 H7 106.946 Cl4 C2 H8 107.514
H5 C1 H6 109.734 H7 C2 H8 109.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability