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

using model chemistry: CCSD=FULL/6-31G*

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/6-31G*
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD=FULL/6-31G*
 hartrees
Energy at 0K-997.622495
Energy at 298.15K-997.627394
HF Energy-997.027322
Nuclear repulsion energy202.061822
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/6-31G*
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 3185 3025 1.29      
2 A 3129 2972 22.75      
3 A 1528 1452 0.12      
4 A 1405 1335 22.15      
5 A 1281 1217 0.90      
6 A 1095 1040 0.43      
7 A 1001 951 10.57      
8 A 699 664 16.58      
9 A 269 256 0.79      
10 A 121 115 1.00      
11 B 3196 3035 6.66      
12 B 3121 2964 3.84      
13 B 1525 1448 11.51      
14 B 1384 1315 35.66      
15 B 1212 1152 1.28      
16 B 937 890 16.39      
17 B 728 692 19.81      
18 B 425 403 7.13      

Unscaled Zero Point Vibrational Energy (zpe) 13121.2 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 12462.5 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=FULL/6-31G*
ABC
0.33486 0.07400 0.06443

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.296 0.698 0.891
C2 -0.296 -0.698 0.891
Cl3 -0.296 1.692 -0.470
Cl4 0.296 -1.692 -0.470
H5 0.007 1.208 1.814
H6 1.385 0.661 0.827
H7 -0.007 -1.208 1.814
H8 -1.385 -0.661 0.827

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.51541.78572.74971.09391.09202.13872.1623
C21.51542.74971.78572.13872.16231.09391.0920
Cl31.78572.74973.43542.35422.36013.70232.8993
Cl42.74971.78573.43543.70232.89932.35422.3601
H51.09392.13872.35423.70231.78142.41512.5304
H61.09202.16232.36012.89931.78142.53043.0698
H72.13871.09393.70232.35422.41512.53041.7814
H82.16231.09202.89932.36012.53043.06981.7814

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 112.551 C1 C2 H7 109.031
C1 C2 H8 111.010 C2 C1 Cl3 112.551
C2 C1 H5 109.031 C2 C1 H6 111.010
Cl3 C1 H5 107.220 Cl3 C1 H6 107.747
Cl4 C2 H7 107.220 Cl4 C2 H8 107.747
H5 C1 H6 109.165 H7 C2 H8 109.165
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability