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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-572.876468
Energy at 298.15K-572.879707
HF Energy-572.876468
Nuclear repulsion energy354.322827
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 B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3139 3029 27.81      
2 A' 1465 1414 9.76      
3 A' 1322 1276 125.91      
4 A' 1221 1178 174.88      
5 A' 1120 1081 62.21      
6 A' 859 829 45.16      
7 A' 687 663 28.63      
8 A' 539 520 19.96      
9 A' 491 474 11.65      
10 A' 346 334 0.06      
11 A' 229 221 5.19      
12 A" 1421 1371 19.37      
13 A" 1265 1221 270.76      
14 A" 1162 1122 45.03      
15 A" 563 543 1.56      
16 A" 392 378 1.95      
17 A" 197 190 3.69      
18 A" 77 74 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 8247.3 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 7957.9 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 B3LYP/3-21G
ABC
0.11636 0.07977 0.06547

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 -0.595 0.000
C2 -0.610 0.733 0.000
F3 1.474 -0.427 0.000
F4 -0.241 -1.305 1.112
F5 -0.241 -1.305 -1.112
F6 -0.241 1.442 -1.130
F7 -0.241 1.442 1.130
H8 -1.684 0.553 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.51681.36211.36851.36852.35712.35712.1406
C21.51682.38622.35122.35121.38431.38431.0890
F31.36212.38622.22422.22422.77722.77723.3075
F41.36852.35122.22422.22363.54572.74672.6026
F51.36852.35122.22422.22362.74673.54572.6026
F62.35711.38432.77723.54572.74672.26092.0376
F72.35711.38432.77722.74673.54572.26092.0376
H82.14061.08903.30752.60262.60262.03762.0376

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.594 C1 C2 F7 108.594
C1 C2 H8 109.372 C2 C1 F3 111.851
C2 C1 F4 109.045 C2 C1 F5 109.045
F3 C1 F4 109.089 F3 C1 F5 109.089
F4 C1 F5 108.669 F6 C2 F7 109.499
F6 C2 H8 110.369 F7 C2 H8 110.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.779      
2 C 0.326      
3 F -0.260      
4 F -0.267      
5 F -0.267      
6 F -0.269      
7 F -0.269      
8 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.515 -0.120 0.000 1.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.511 -0.713 0.000
y -0.713 -38.242 0.000
z 0.000 0.000 -38.073
Traceless
 xyz
x 4.646 -0.713 0.000
y -0.713 -2.450 0.000
z 0.000 0.000 -2.196
Polar
3z2-r2-4.393
x2-y24.731
xy-0.713
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.848 0.132 0.000
y 0.132 2.684 0.000
z 0.000 0.000 3.071


<r2> (average value of r2) Å2
<r2> 170.293
(<r2>)1/2 13.050