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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-573.743725
Energy at 298.15K-573.747495
HF Energy-573.743725
Nuclear repulsion energy364.905989
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/TZVP
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' 3293 2992 21.42      
2 A' 1610 1463 0.88      
3 A' 1460 1327 240.93      
4 A' 1348 1225 198.60      
5 A' 1263 1147 204.39      
6 A' 952 865 56.06      
7 A' 801 728 49.59      
8 A' 640 581 19.70      
9 A' 579 526 13.20      
10 A' 396 359 0.18      
11 A' 268 244 5.60      
12 A" 1534 1394 17.29      
13 A" 1385 1258 421.97      
14 A" 1295 1177 162.88      
15 A" 645 586 1.67      
16 A" 460 418 1.63      
17 A" 232 210 3.72      
18 A" 81 74 1.25      

Unscaled Zero Point Vibrational Energy (zpe) 9120.1 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 8286.5 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/TZVP
ABC
0.12732 0.08206 0.06825

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.121 -0.602 0.000
C2 -0.593 0.751 0.000
F3 1.419 -0.463 0.000
F4 -0.230 -1.284 1.063
F5 -0.230 -1.284 -1.063
F6 -0.230 1.431 -1.076
F7 -0.230 1.431 1.076
H8 -1.663 0.610 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53061.30491.31081.31082.32752.32752.1578
C21.53062.34992.32452.32451.32391.32391.0798
F31.30492.34992.12672.12672.73242.73243.2639
F41.31082.32452.12672.12633.45672.71502.6023
F51.31082.32452.12672.12632.71503.45672.6023
F62.32751.32392.73243.45672.71502.15291.9717
F72.32751.32392.73242.71503.45672.15291.9717
H82.15781.07983.26392.60232.60231.97171.9717

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.039 C1 C2 F7 109.039
C1 C2 H8 110.312 C2 C1 F3 111.695
C2 C1 F4 109.549 C2 C1 F5 109.549
F3 C1 F4 108.789 F3 C1 F5 108.789
F4 C1 F5 108.404 F6 C2 F7 108.802
F6 C2 H8 109.810 F7 C2 H8 109.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.586      
2 C 0.392      
3 F -0.198      
4 F -0.210      
5 F -0.210      
6 F -0.228      
7 F -0.228      
8 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.783 -0.068 0.000 1.784
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.940 -1.126 0.000
y -1.126 -39.320 0.000
z 0.000 0.000 -39.258
Traceless
 xyz
x 5.349 -1.126 0.000
y -1.126 -2.722 0.000
z 0.000 0.000 -2.627
Polar
3z2-r2-5.255
x2-y25.380
xy-1.126
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.354 0.052 0.000
y 0.052 3.368 0.000
z 0.000 0.000 3.507


<r2> (average value of r2) Å2
<r2> 164.017
(<r2>)1/2 12.807