return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-1732.654539
Energy at 298.15K-1732.655910
HF Energy-1732.654539
Nuclear repulsion energy683.386360
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 HF/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 1522 1243 26.59      
2 A 1441 1176 47.22      
3 A 1372 1120 97.34      
4 A 1219 995 30.60      
5 A 1085 886 159.77      
6 A 912 744 212.25      
7 A 691 564 17.68      
8 A 545 445 22.18      
9 A 486 397 4.11      
10 A 460 375 0.87      
11 A 405 330 3.79      
12 A 351 286 5.22      
13 A 308 252 0.83      
14 A 283 231 0.87      
15 A 232 189 0.90      
16 A 182 149 2.42      
17 A 148 121 1.94      
18 A 47 39 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 5843.4 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 4771.1 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 HF/STO-3G
ABC
0.04973 0.03448 0.02852

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.576 0.154 0.349
C2 -0.732 -0.544 -0.282
F3 0.442 0.304 1.691
Cl4 2.005 -0.929 -0.005
Cl5 0.818 1.781 -0.437
Cl6 -2.211 0.364 0.324
F7 -0.688 -0.500 -1.640
F8 -0.807 -1.841 0.127

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 Cl5 Cl6 F7 F8
C11.61111.35681.82791.82262.79562.44532.4382
C21.61112.44672.77752.79871.83881.35951.3620
F31.35682.44672.61502.61712.98563.60742.9338
Cl41.82792.77752.61502.99034.42273.17952.9589
Cl51.82262.79872.61712.99033.42992.98634.0100
Cl62.79561.83882.98564.42273.42992.63102.6223
F72.44531.35953.60743.17952.98632.63102.2213
F82.43821.36202.93382.95894.01002.62232.2213

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 108.077 C1 C2 F7 110.522
C1 C2 F8 109.901 C2 C1 F3 110.762
C2 C1 Cl4 107.566 C2 C1 Cl5 109.035
F3 C1 Cl4 109.504 F3 C1 Cl5 109.939
Cl4 C1 Cl5 110.000 Cl6 C2 F7 109.787
Cl6 C2 F8 109.116 F7 C2 F8 109.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.239      
2 C 0.360      
3 F -0.075      
4 Cl -0.102      
5 Cl -0.092      
6 Cl -0.138      
7 F -0.094      
8 F -0.097      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.009 -0.835 0.199 0.859
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.658 1.188 1.090
y 1.188 -60.803 0.562
z 1.090 0.562 -58.981
Traceless
 xyz
x -3.765 1.188 1.090
y 1.188 0.516 0.562
z 1.090 0.562 3.249
Polar
3z2-r26.498
x2-y2-2.854
xy1.188
xz1.090
yz0.562


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.651 -1.316 -0.821
y -1.316 4.534 -0.253
z -0.821 -0.253 2.602


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000