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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-573.517886
Energy at 298.15K-573.521593
HF Energy-573.517886
Nuclear repulsion energy364.702490
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/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' 3320 2997 28.63      
2 A' 1637 1478 4.23      
3 A' 1480 1336 217.16      
4 A' 1361 1229 214.22      
5 A' 1266 1143 158.33      
6 A' 961 868 59.75      
7 A' 791 714 44.81      
8 A' 626 565 19.12      
9 A' 566 510 12.45      
10 A' 393 355 0.12      
11 A' 263 238 5.17      
12 A" 1542 1392 25.25      
13 A" 1406 1269 394.24      
14 A" 1309 1181 136.27      
15 A" 637 575 1.78      
16 A" 455 411 1.76      
17 A" 225 203 3.30      
18 A" 81 73 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 9159.6 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 8267.5 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/6-31G**
ABC
0.12616 0.08278 0.06857

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.117 -0.595 0.000
C2 -0.599 0.742 0.000
F3 1.419 -0.440 0.000
F4 -0.228 -1.283 1.068
F5 -0.228 -1.283 -1.068
F6 -0.228 1.421 -1.083
F7 -0.228 1.421 1.083
H8 -1.670 0.607 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.51711.31131.31691.31692.31422.31422.1544
C21.51712.33912.31962.31961.33051.33051.0792
F31.31132.33912.13722.13722.71082.71083.2621
F41.31692.31962.13722.13683.45522.70392.6067
F51.31692.31962.13722.13682.70393.45522.6067
F62.31421.33052.71083.45522.70392.16541.9778
F72.31421.33052.71082.70393.45522.16541.9778
H82.15441.07923.26212.60672.60671.97781.9778

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.540 C1 C2 F7 108.540
C1 C2 H8 111.024 C2 C1 F3 111.372
C2 C1 F4 109.665 C2 C1 F5 109.665
F3 C1 F4 108.818 F3 C1 F5 108.818
F4 C1 F5 108.446 F6 C2 F7 108.924
F6 C2 H8 109.883 F7 C2 H8 109.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.036      
2 C 0.601      
3 F -0.342      
4 F -0.351      
5 F -0.351      
6 F -0.365      
7 F -0.365      
8 H 0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.653 -0.085 0.000 1.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.300 -0.927 0.000
y -0.927 -38.221 0.000
z 0.000 0.000 -38.100
Traceless
 xyz
x 4.860 -0.927 0.000
y -0.927 -2.521 0.000
z 0.000 0.000 -2.339
Polar
3z2-r2-4.678
x2-y24.921
xy-0.927
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.170 0.021 0.000
y 0.021 3.111 0.000
z 0.000 0.000 3.218


<r2> (average value of r2) Å2
<r2> 163.011
(<r2>)1/2 12.768