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

using model chemistry: MP4/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 MP4/TZVP
Rotational Constants (cm-1) from geometry optimized at MP4/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP4/TZVP
 hartrees
Energy at 0K-997.748245
Energy at 298.15K-997.753123
HF Energy-997.103430
Nuclear repulsion energy201.301459
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 MP4/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 3170 3053        
2 A 3108 2993        
3 A 1484 1429        
4 A 1384 1332        
5 A 1245 1198        
6 A 1072 1032        
7 A 978 941        
8 A 678 653        
9 A 270 260        
10 A 122 118        
11 B 3183 3065        
12 B 3101 2985        
13 B 1478 1423        
14 B 1362 1311        
15 B 1180 1136        
16 B 914 880        
17 B 705 678        
18 B 415 400        

Unscaled Zero Point Vibrational Energy (zpe) 12923.5 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 12444.1 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 MP4/TZVP
ABC
0.33049 0.07359 0.06397

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.298 0.695 0.899
C2 -0.298 -0.695 0.899
Cl3 -0.298 1.697 -0.473
Cl4 0.298 -1.697 -0.473
H5 0.004 1.205 1.818
H6 1.383 0.656 0.830
H7 -0.004 -1.205 1.818
H8 -1.383 -0.656 0.830

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.51261.80072.75831.09081.08862.13252.1580
C21.51262.75831.80072.13252.15801.09081.0886
Cl31.80072.75833.44652.36262.36803.70962.9007
Cl42.75831.80073.44653.70962.90072.36262.3680
H51.09082.13252.36263.70961.78322.41102.5235
H61.08862.15802.36802.90071.78322.52353.0621
H72.13251.09083.70962.36262.41102.52351.7832
H82.15801.08862.90072.36802.52353.06211.7832

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 112.422 C1 C2 H7 108.914
C1 C2 H8 111.064 C2 C1 Cl3 112.422
C2 C1 H5 108.914 C2 C1 H6 111.064
Cl3 C1 H5 107.013 Cl3 C1 H6 107.517
Cl4 C2 H7 107.013 Cl4 C2 H8 107.517
H5 C1 H6 109.812 H7 C2 H8 109.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability