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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B2PLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-575.304503
Energy at 298.15K-575.307690
HF Energy-575.038252
Nuclear repulsion energy350.805375
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/6-31G
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' 3209 3209 8.64      
2 A' 1448 1448 2.36      
3 A' 1324 1324 105.22      
4 A' 1183 1183 189.44      
5 A' 1090 1090 87.63      
6 A' 851 851 65.30      
7 A' 675 675 32.19      
8 A' 533 533 23.08      
9 A' 478 478 13.78      
10 A' 345 345 0.07      
11 A' 239 239 5.82      
12 A" 1401 1401 6.29      
13 A" 1203 1203 281.04      
14 A" 1119 1119 79.29      
15 A" 552 552 1.45      
16 A" 388 388 2.69      
17 A" 204 204 4.18      
18 A" 71 71 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 8155.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8155.4 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 B2PLYP/6-31G
ABC
0.11417 0.07823 0.06421

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.592 0.000
C2 -0.621 0.735 0.000
F3 1.488 -0.427 0.000
F4 -0.241 -1.322 1.123
F5 -0.241 -1.322 -1.123
F6 -0.241 1.455 -1.140
F7 -0.241 1.455 1.140
H8 -1.699 0.599 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.51961.37891.38711.38712.37052.37052.1734
C21.51962.40772.37502.37501.40081.40081.0868
F31.37892.40772.24762.24762.79822.79823.3479
F41.38712.37502.24762.24623.58272.77712.6608
F51.38712.37502.24762.24622.77713.58272.6608
F62.37051.40082.79823.58272.77712.28092.0392
F72.37051.40082.79822.77713.58272.28092.0392
H82.17341.08683.34792.66082.66082.03922.0392

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.457 C1 C2 F7 108.457
C1 C2 H8 111.922 C2 C1 F3 112.243
C2 C1 F4 109.497 C2 C1 F5 109.497
F3 C1 F4 108.693 F3 C1 F5 108.693
F4 C1 F5 108.125 F6 C2 F7 109.008
F6 C2 H8 109.472 F7 C2 H8 109.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.797      
2 C 0.428      
3 F -0.270      
4 F -0.281      
5 F -0.281      
6 F -0.298      
7 F -0.298      
8 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.932 -0.080 0.000 1.934
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.215 -1.018 0.000
y -1.018 -40.170 0.000
z 0.000 0.000 -39.954
Traceless
 xyz
x 5.847 -1.018 0.000
y -1.018 -3.085 0.000
z 0.000 0.000 -2.762
Polar
3z2-r2-5.523
x2-y25.955
xy-1.018
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.088 0.180 0.000
y 0.180 2.990 0.000
z 0.000 0.000 3.534


<r2> (average value of r2) Å2
<r2> 174.132
(<r2>)1/2 13.196