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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-575.937370
Energy at 298.15K-575.940483
HF Energy-575.937370
Nuclear repulsion energy354.037627
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 BLYP/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' 3013 2989 36.02      
2 A' 1395 1384 1.45      
3 A' 1261 1250 135.05      
4 A' 1148 1139 179.98      
5 A' 1095 1086 122.59      
6 A' 831 824 47.25      
7 A' 685 680 26.11      
8 A' 544 539 12.16      
9 A' 488 484 5.10      
10 A' 341 338 0.02      
11 A' 231 229 2.96      
12 A" 1365 1354 14.47      
13 A" 1166 1156 326.17      
14 A" 1096 1087 97.91      
15 A" 549 545 0.27      
16 A" 390 387 0.70      
17 A" 196 195 1.97      
18 A" 58 57 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 7925.8 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 7861.6 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 BLYP/6-31G*
ABC
0.11809 0.07843 0.06480

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 -0.607 0.000
C2 -0.610 0.757 0.000
F3 1.468 -0.450 0.000
F4 -0.238 -1.317 1.105
F5 -0.238 -1.317 -1.105
F6 -0.238 1.458 -1.119
F7 -0.238 1.458 1.119
H8 -1.704 0.615 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.54751.35501.36201.36202.37592.37592.1965
C21.54752.40262.37902.37901.37211.37211.1031
F31.35502.40262.20962.20962.79312.79313.3453
F41.36202.37902.20962.21023.55632.77492.6647
F51.36202.37902.20962.21022.77493.55632.6647
F62.37591.37212.79313.55632.77492.23842.0279
F72.37591.37212.79312.77493.55632.23842.0279
H82.19651.10313.34532.66472.66472.02792.0279

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.792 C1 C2 F7 108.792
C1 C2 H8 110.819 C2 C1 F3 111.571
C2 C1 F4 109.542 C2 C1 F5 109.542
F3 C1 F4 108.831 F3 C1 F5 108.831
F4 C1 F5 108.464 F6 C2 F7 109.310
F6 C2 H8 109.551 F7 C2 H8 109.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.679      
2 C 0.337      
3 F -0.220      
4 F -0.228      
5 F -0.228      
6 F -0.238      
7 F -0.238      
8 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.255 -0.061 0.000 1.256
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.386 -0.642 0.000
y -0.642 -37.318 0.000
z 0.000 0.000 -37.062
Traceless
 xyz
x 3.804 -0.642 0.000
y -0.642 -2.094 0.000
z 0.000 0.000 -1.710
Polar
3z2-r2-3.419
x2-y23.932
xy-0.642
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.679 0.016 0.000
y 0.016 3.686 0.000
z 0.000 0.000 3.809


<r2> (average value of r2) Å2
<r2> 170.936
(<r2>)1/2 13.074