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All results from a given calculation for CF2ClCF2Cl (1,2-Dichloro-1,1,2,2-tetrafluoroethane)

using model chemistry: MP2=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-1386.650481
Energy at 298.15K-1386.652426
HF Energy-1385.693498
Nuclear repulsion energy606.185579
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/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 Ag 1253 1188 0.00      
2 Ag 1053 998 0.00      
3 Ag 674 639 0.00      
4 Ag 427 405 0.00      
5 Ag 347 329 0.00      
6 Ag 265 251 0.00      
7 Au 1266 1200 230.39      
8 Au 362 343 2.72      
9 Au 205 194 3.49      
10 Au 57 54 0.26      
11 Bg 1230 1166 0.00      
12 Bg 524 497 0.00      
13 Bg 312 295 0.00      
14 Bu 1157 1097 273.85      
15 Bu 833 790 391.07      
16 Bu 573 543 19.36      
17 Bu 417 395 2.05      
18 Bu 170 161 3.64      

Unscaled Zero Point Vibrational Energy (zpe) 5561.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 5272.7 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/3-21G*
ABC
0.07095 0.03831 0.03470

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.245 0.730 0.000
C2 0.245 -0.730 0.000
Cl3 -2.012 0.789 0.000
Cl4 2.012 -0.789 0.000
F5 0.245 1.359 1.124
F6 0.245 1.359 -1.124
F7 -0.245 -1.359 1.124
F8 -0.245 -1.359 -1.124

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.54031.76802.72071.37761.37762.37182.3718
C21.54032.72071.76802.37182.37181.37761.3776
Cl31.76802.72074.32252.58482.58482.99962.9996
Cl42.72071.76804.32252.99962.99962.58482.5848
F51.37762.37182.58482.99962.24712.76123.5600
F61.37762.37182.58482.99962.24713.56002.7612
F72.37181.37762.99962.58482.76123.56002.2471
F82.37181.37762.99962.58483.56002.76122.2471

picture of 1,2-Dichloro-1,1,2,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 110.462 C1 C2 F7 108.626
C1 C2 F8 108.626 C2 C1 Cl3 110.462
C2 C1 F5 108.626 C2 C1 F6 108.626
Cl3 C1 F5 109.898 Cl3 C1 F6 109.898
Cl4 C2 F7 109.898 Cl4 C2 F8 109.898
F5 C1 F6 109.298 F7 C2 F8 109.298
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability