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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-567.782653
Energy at 298.15K-567.785037
HF Energy-567.782653
Nuclear repulsion energy340.136530
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/STO-3G
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' 3142 2804 22.49      
2 A' 1405 1254 47.08      
3 A' 1270 1133 78.24      
4 A' 1160 1035 10.49      
5 A' 1133 1011 96.48      
6 A' 797 711 4.29      
7 A' 653 583 21.33      
8 A' 520 464 12.29      
9 A' 449 401 5.31      
10 A' 299 267 0.09      
11 A' 190 170 0.96      
12 A" 1433 1278 13.35      
13 A" 1293 1154 117.82      
14 A" 1213 1082 41.92      
15 A" 512 457 1.18      
16 A" 351 313 0.91      
17 A" 153 136 0.63      
18 A" 19 17 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 7995.1 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 7134.8 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/STO-3G
ABC
0.11161 0.07041 0.05883

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.129 -0.661 0.000
C2 -0.624 0.829 0.000
F3 1.522 -0.512 0.000
F4 -0.250 -1.384 1.140
F5 -0.250 -1.384 -1.140
F6 -0.250 1.548 -1.144
F7 -0.250 1.548 1.144
H8 -1.743 0.648 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.66991.40081.40211.40212.51632.51632.2840
C21.66992.53092.51792.51791.40161.40161.1336
F31.40082.53092.28002.28002.94822.94823.4648
F41.40212.51792.28002.28003.71672.93232.7672
F51.40212.51792.28002.28002.93233.71672.7672
F62.51631.40162.94823.71672.93232.28732.0853
F72.51631.40162.94822.93233.71672.28732.0853
H82.28401.13363.46482.76722.76722.08532.0853

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.709 C1 C2 F7 109.709
C1 C2 H8 107.574 C2 C1 F3 110.711
C2 C1 F4 109.787 C2 C1 F5 109.787
F3 C1 F4 108.865 F3 C1 F5 108.865
F4 C1 F5 108.789 F6 C2 F7 109.362
F6 C2 H8 110.233 F7 C2 H8 110.233
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.265      
2 C 0.114      
3 F -0.090      
4 F -0.093      
5 F -0.093      
6 F -0.088      
7 F -0.088      
8 H 0.073      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.787 -0.019 0.000 0.788
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.262 -0.482 0.000
y -0.482 -32.673 0.000
z 0.000 0.000 -32.783
Traceless
 xyz
x 2.466 -0.482 0.000
y -0.482 -1.150 0.000
z 0.000 0.000 -1.315
Polar
3z2-r2-2.630
x2-y22.411
xy-0.482
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.140 0.010 0.000
y 0.010 2.414 0.000
z 0.000 0.000 2.449


<r2> (average value of r2) Å2
<r2> 182.588
(<r2>)1/2 13.513