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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-575.494507
Energy at 298.15K-575.497657
HF Energy-575.494507
Nuclear repulsion energy355.527530
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 PBEPBE/cc-pVDZ
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' 2993 2975 31.65      
2 A' 1374 1366 1.69      
3 A' 1259 1252 165.31      
4 A' 1148 1141 199.21      
5 A' 1101 1094 120.52      
6 A' 830 825 43.65      
7 A' 690 686 28.94      
8 A' 552 549 11.95      
9 A' 496 493 5.71      
10 A' 344 342 0.02      
11 A' 226 225 3.29      
12 A" 1309 1301 15.09      
13 A" 1174 1167 384.84      
14 A" 1104 1097 83.71      
15 A" 553 550 0.30      
16 A" 392 390 0.68      
17 A" 192 191 2.23      
18 A" 52 52 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 7893.5 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 7847.7 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 PBEPBE/cc-pVDZ
ABC
0.11953 0.07881 0.06526

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.121 -0.605 0.000
C2 -0.606 0.755 0.000
F3 1.461 -0.455 0.000
F4 -0.237 -1.313 1.098
F5 -0.237 -1.313 -1.098
F6 -0.237 1.456 -1.111
F7 -0.237 1.456 1.111
H8 -1.709 0.608 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.54231.34841.35491.35492.36852.36852.1948
C21.54232.39552.37062.37061.36441.36441.1123
F31.34842.39552.19672.19672.78752.78753.3430
F41.35492.37062.19672.19693.54232.76892.6569
F51.35492.37062.19672.19692.76893.54232.6569
F62.36851.36442.78753.54232.76892.22172.0298
F72.36851.36442.78752.76893.54232.22172.0298
H82.19481.11233.34302.65692.65692.02982.0298

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.991 C1 C2 F7 108.991
C1 C2 H8 110.493 C2 C1 F3 111.757
C2 C1 F4 109.642 C2 C1 F5 109.642
F3 C1 F4 108.700 F3 C1 F5 108.700
F4 C1 F5 108.327 F6 C2 F7 109.012
F6 C2 H8 109.664 F7 C2 H8 109.664
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.353      
2 C 0.300      
3 F -0.121      
4 F -0.131      
5 F -0.131      
6 F -0.154      
7 F -0.154      
8 H 0.038      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.280 -0.049 0.000 1.281
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.634 -0.619 0.000
y -0.619 -37.762 0.000
z 0.000 0.000 -37.401
Traceless
 xyz
x 3.947 -0.619 0.000
y -0.619 -2.244 0.000
z 0.000 0.000 -1.703
Polar
3z2-r2-3.406
x2-y24.128
xy-0.619
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.544 0.035 0.000
y 0.035 3.501 0.000
z 0.000 0.000 3.658


<r2> (average value of r2) Å2
<r2> 170.064
(<r2>)1/2 13.041