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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-575.318238
Energy at 298.15K-575.321462
HF Energy-575.318238
Nuclear repulsion energy353.231557
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 PBE1PBE/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' 3198 3057 9.34      
2 A' 1450 1386 2.72      
3 A' 1337 1278 122.83      
4 A' 1206 1152 189.70      
5 A' 1117 1067 86.14      
6 A' 865 826 57.80      
7 A' 689 659 34.22      
8 A' 543 519 23.25      
9 A' 486 464 13.57      
10 A' 348 333 0.06      
11 A' 237 226 5.60      
12 A" 1396 1334 6.56      
13 A" 1234 1179 303.98      
14 A" 1150 1099 72.26      
15 A" 561 536 1.46      
16 A" 393 375 2.59      
17 A" 200 192 3.91      
18 A" 69 66 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 8237.9 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 7874.6 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 PBE1PBE/6-31G
ABC
0.11605 0.07910 0.06502

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.591 0.000
C2 -0.615 0.735 0.000
F3 1.477 -0.430 0.000
F4 -0.240 -1.314 1.114
F5 -0.240 -1.314 -1.114
F6 -0.240 1.447 -1.130
F7 -0.240 1.447 1.130
H8 -1.695 0.594 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.51571.36801.37551.37552.35832.35832.1665
C21.51572.39482.36222.36221.38791.38791.0887
F31.36802.39482.22942.22942.78372.78373.3332
F41.37552.36222.22942.22833.55832.76122.6455
F51.37552.36222.22942.22832.76123.55832.6455
F62.35831.38792.78373.55832.76122.26062.0306
F72.35831.38792.78372.76123.55832.26062.0306
H82.16651.08873.33322.64552.64552.03062.0306

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.542 C1 C2 F7 108.542
C1 C2 H8 111.527 C2 C1 F3 112.194
C2 C1 F4 109.479 C2 C1 F5 109.479
F3 C1 F4 108.706 F3 C1 F5 108.706
F4 C1 F5 108.189 F6 C2 F7 109.057
F6 C2 H8 109.564 F7 C2 H8 109.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.763      
2 C 0.382      
3 F -0.258      
4 F -0.269      
5 F -0.269      
6 F -0.287      
7 F -0.287      
8 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.884 -0.076 0.000 1.885
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.966 -1.006 0.000
y -1.006 -39.731 0.000
z 0.000 0.000 -39.568
Traceless
 xyz
x 5.684 -1.006 0.000
y -1.006 -2.964 0.000
z 0.000 0.000 -2.720
Polar
3z2-r2-5.440
x2-y25.765
xy-1.006
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.071 0.156 0.000
y 0.156 2.974 0.000
z 0.000 0.000 3.459


<r2> (average value of r2) Å2
<r2> 171.987
(<r2>)1/2 13.114