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

using model chemistry: B2PLYP=FULL/3-21G

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 B2PLYP=FULL/3-21G
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-993.691863
Energy at 298.15K-993.696587
HF Energy-993.595222
Nuclear repulsion energy196.212444
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 B2PLYP=FULL/3-21G
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 3228 3073 0.04      
2 A 3157 3006 6.51      
3 A 1535 1461 0.72      
4 A 1364 1299 16.97      
5 A 1240 1180 0.72      
6 A 1048 998 2.37      
7 A 944 898 11.88      
8 A 604 575 21.79      
9 A 262 250 1.42      
10 A 105 100 1.34      
11 B 3240 3085 0.21      
12 B 3151 2999 1.40      
13 B 1539 1465 17.16      
14 B 1344 1280 38.67      
15 B 1182 1125 0.71      
16 B 894 851 19.30      
17 B 627 596 27.94      
18 B 401 381 11.05      

Unscaled Zero Point Vibrational Energy (zpe) 12932.0 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 12311.2 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 B2PLYP=FULL/3-21G
ABC
0.30182 0.07117 0.06135

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.321 0.683 0.955
C2 -0.321 -0.683 0.955
Cl3 -0.321 1.725 -0.495
Cl4 0.321 -1.725 -0.495
H5 0.043 1.242 1.847
H6 1.399 0.639 0.834
H7 -0.043 -1.242 1.847
H8 -1.399 -0.639 0.834

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.50911.89712.81081.08861.08552.15252.1723
C21.50912.81081.89712.15252.17231.08861.0855
Cl31.89712.81083.50922.41852.42913.79002.9186
Cl42.81081.89713.50923.79002.91862.41852.4291
H51.08862.15252.41853.79001.79632.48542.5773
H61.08552.17232.42912.91861.79632.57733.0755
H72.15251.08863.79002.41852.48542.57731.7963
H82.17231.08552.91862.42912.57733.07551.7963

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 110.702 C1 C2 H7 110.873
C1 C2 H8 112.684 C2 C1 Cl3 110.702
C2 C1 H5 110.873 C2 C1 H6 112.684
Cl3 C1 H5 104.938 Cl3 C1 H6 105.826
Cl4 C2 H7 104.938 Cl4 C2 H8 105.826
H5 C1 H6 111.425 H7 C2 H8 111.425
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability