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

using model chemistry: MP2=FULL/STO-3G

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 MP2=FULL/STO-3G
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/STO-3G
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-986.426441
Energy at 298.15K-986.431149
HF Energy-986.298246
Nuclear repulsion energy197.492711
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 MP2=FULL/STO-3G
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 3527 3135 0.15      
2 A 3408 3029 0.01      
3 A 1658 1474 0.42      
4 A 1482 1318 12.65      
5 A 1331 1183 0.19      
6 A 1142 1015 2.06      
7 A 1050 933 4.64      
8 A 778 691 9.80      
9 A 252 224 0.73      
10 A 98 87 1.82      
11 B 3532 3140 0.55      
12 B 3406 3027 0.00      
13 B 1649 1465 1.56      
14 B 1457 1295 46.16      
15 B 1265 1124 1.44      
16 B 987 877 7.06      
17 B 812 722 9.18      
18 B 421 374 7.88      

Unscaled Zero Point Vibrational Energy (zpe) 14126.9 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 12557.4 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 MP2=FULL/STO-3G
ABC
0.31513 0.07122 0.06176

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.302 0.720 0.922
C2 -0.302 -0.720 0.922
Cl3 -0.302 1.723 -0.485
Cl4 0.302 -1.723 -0.485
H5 0.004 1.240 1.856
H6 1.408 0.684 0.860
H7 -0.004 -1.240 1.856
H8 -1.408 -0.684 0.860

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.56261.83042.81961.10961.10852.19332.2140
C21.56262.81961.83042.19332.21401.10961.1085
Cl31.83042.81963.49862.40952.41203.78812.9708
Cl42.81961.83043.49863.78812.97082.40952.4120
H51.10962.19332.40953.78811.80912.48092.5860
H61.10852.21402.41202.97081.80912.58603.1311
H72.19331.10963.78812.40952.48092.58601.8091
H82.21401.10852.97082.41202.58603.13111.8091

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 112.162 C1 C2 H7 109.155
C1 C2 H8 110.821 C2 C1 Cl3 112.162
C2 C1 H5 109.155 C2 C1 H6 110.821
Cl3 C1 H5 107.539 Cl3 C1 H6 107.775
Cl4 C2 H7 107.539 Cl4 C2 H8 107.775
H5 C1 H6 109.298 H7 C2 H8 109.298
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability