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

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 C2H 1Ag
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-1386.246721
Energy at 298.15K-1386.248436
HF Energy-1385.468314
Nuclear repulsion energy594.789368
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 Ag 1281 1242 0.00      
2 Ag 1019 988 0.00      
3 Ag 662 642 0.00      
4 Ag 376 364 0.00      
5 Ag 348 337 0.00      
6 Ag 243 235 0.00      
7 Au 1307 1267 246.11      
8 Au 327 317 4.02      
9 Au 202 196 4.90      
10 Au 57 56 0.01      
11 Bg 1277 1237 0.00      
12 Bg 508 492 0.00      
13 Bg 289 281 0.00      
14 Bu 1169 1133 271.72      
15 Bu 768 744 344.20      
16 Bu 562 545 22.18      
17 Bu 380 368 0.61      
18 Bu 157 152 3.70      

Unscaled Zero Point Vibrational Energy (zpe) 5465.7 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 5297.4 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 QCISD/3-21G
ABC
0.07032 0.03621 0.03283

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.228 0.730 0.000
C2 0.228 -0.730 0.000
Cl3 -2.114 0.776 0.000
Cl4 2.114 -0.776 0.000
F5 0.228 1.362 1.123
F6 0.228 1.362 -1.123
F7 -0.228 -1.362 1.123
F8 -0.228 -1.362 -1.123

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.52991.88602.78411.36721.36722.37452.3745
C21.52992.78411.88602.37452.37451.36721.3672
Cl31.88602.78414.50292.66272.66273.06353.0635
Cl42.78411.88604.50293.06353.06352.66272.6627
F51.36722.37452.66273.06352.24672.76163.5601
F61.36722.37452.66273.06352.24673.56012.7616
F72.37451.36723.06352.66272.76163.56012.2467
F82.37451.36723.06352.66273.56012.76162.2467

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 108.737 C1 C2 F7 109.963
C1 C2 F8 109.963 C2 C1 Cl3 108.737
C2 C1 F5 109.963 C2 C1 F6 109.963
Cl3 C1 F5 108.820 Cl3 C1 F6 108.820
Cl4 C2 F7 108.820 Cl4 C2 F8 108.820
F5 C1 F6 110.499 F7 C2 F8 110.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability