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All results from a given calculation for CF2ClCFCl2 (Ethane, 1,1,2-trichloro-1,2,2-trifluoro-)

using model chemistry: QCISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-1744.560725
Energy at 298.15K-1744.562073
HF Energy-1743.843228
Nuclear repulsion energy678.593717
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/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 1283 1243 109.63      
2 A 1234 1196 52.18      
3 A 1174 1138 135.46      
4 A 1022 991 58.81      
5 A 830 804 136.82      
6 A 740 717 234.62      
7 A 608 589 17.49      
8 A 489 474 4.64      
9 A 404 392 4.38      
10 A 380 368 0.13      
11 A 350 340 0.84      
12 A 314 304 1.65      
13 A 291 282 0.64      
14 A 263 255 0.40      
15 A 224 217 0.91      
16 A 190 184 2.61      
17 A 155 150 2.10      
18 A 64 62 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 5007.4 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 4853.1 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 QCISD/3-21G
ABC
0.04912 0.03413 0.02802

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.535 0.147 0.346
C2 -0.674 -0.555 -0.292
F3 0.363 0.226 1.709
Cl4 2.073 -0.868 -0.017
Cl5 0.740 1.858 -0.371
Cl6 -2.262 0.285 0.277
F7 -0.592 -0.498 -1.655
F8 -0.719 -1.863 0.121

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 Cl5 Cl6 F7 F8
C11.53591.37641.87811.86662.80052.38472.3792
C21.53592.38482.77822.79771.88401.36671.3721
F31.37642.38482.66452.67062.99033.57082.8385
Cl41.87812.77822.66453.05464.49483.15012.9672
Cl51.86662.79772.67063.05463.45052.99514.0268
Cl62.80051.88402.99034.49483.45052.67022.6489
F72.38471.36673.57083.15012.99512.67022.2433
F82.37921.37212.83852.96724.02682.64892.2433

picture of Ethane, 1,1,2-trichloro-1,2,2-trifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.525 C1 C2 F7 110.349
C1 C2 F8 109.674 C2 C1 F3 109.826
C2 C1 Cl4 108.516 C2 C1 Cl5 110.248
F3 C1 Cl4 108.941 F3 C1 Cl5 109.960
Cl4 C1 Cl5 109.317 Cl6 C2 F7 109.426
Cl6 C2 F8 107.844 F7 C2 F8 109.981
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability