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

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

Conformer 2 (C2)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-997.766097
Energy at 298.15K-997.770890
HF Energy-997.085501
Nuclear repulsion energy200.551487
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 QCISD(T)=FULL/aug-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 3145 3051        
2 A 3081 2989        
3 A 1455 1411        
4 A 1326 1286        
5 A 1215 1179        
6 A 1058 1026        
7 A 949 921        
8 A 660 641        
9 A 261 253        
10 A 109 106        
11 B 3155 3061        
12 B 3073 2981        
13 B 1448 1405        
14 B 1299 1260        
15 B 1147 1113        
16 B 890 864        
17 B 682 662        
18 B 406 394        

Unscaled Zero Point Vibrational Energy (zpe) 12679.3 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 12300.2 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 QCISD(T)=FULL/aug-cc-pVDZ
ABC
0.32646 0.07336 0.06382

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.306 0.697 0.903
C2 -0.306 -0.697 0.903
Cl3 -0.306 1.697 -0.474
Cl4 0.306 -1.697 -0.474
H5 0.022 1.225 1.828
H6 1.401 0.654 0.813
H7 -0.022 -1.225 1.828
H8 -1.401 -0.654 0.813

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.52231.80952.76221.10181.09982.15752.1790
C21.52232.76221.80952.15752.17901.10181.0998
Cl31.80952.76223.44952.37292.37943.73082.8952
Cl42.76221.80953.44953.73082.89522.37292.3794
H51.10182.15752.37293.73081.80552.45002.5662
H61.09982.17902.37942.89521.80552.56623.0928
H72.15751.10183.73082.37292.45002.56621.8055
H82.17901.09982.89522.37942.56623.09281.8055

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 111.715 C1 C2 H7 109.564
C1 C2 H8 111.393 C2 C1 Cl3 111.715
C2 C1 H5 109.564 C2 C1 H6 111.393
Cl3 C1 H5 106.645 Cl3 C1 H6 107.211
Cl4 C2 H7 106.645 Cl4 C2 H8 107.211
H5 C1 H6 110.184 H7 C2 H8 110.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability