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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-575.494537
Energy at 298.15K-575.497700
HF Energy-575.494537
Nuclear repulsion energy355.544320
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 PBEPBEultrafine/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 2993 2976 31.72      
2 A' 1374 1366 1.70      
3 A' 1260 1252 165.49      
4 A' 1149 1142 199.98      
5 A' 1101 1095 119.60      
6 A' 831 826 43.61      
7 A' 690 686 28.89      
8 A' 552 549 12.00      
9 A' 496 493 5.72      
10 A' 344 342 0.02      
11 A' 226 225 3.29      
12 A" 1309 1301 15.15      
13 A" 1174 1168 384.64      
14 A" 1104 1098 83.78      
15 A" 554 551 0.31      
16 A" 392 390 0.69      
17 A" 194 193 2.24      
18 A" 57 56 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 7899.5 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 7853.7 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 PBEPBEultrafine/cc-pVDZ
ABC
0.11957 0.07882 0.06526

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/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 -0.454 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
C11.54241.34831.35491.35492.36842.36842.1951
C21.54242.39482.37102.37101.36431.36431.1123
F31.34832.39482.19662.19662.78632.78633.3427
F41.35492.37102.19662.19673.54242.76932.6579
F51.35492.37102.19662.19672.76933.54242.6579
F62.36841.36432.78633.54242.76932.22142.0298
F72.36841.36432.78632.76933.54242.22142.0298
H82.19511.11233.34272.65792.65792.02982.0298

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.982 C1 C2 F7 108.982
C1 C2 H8 110.515 C2 C1 F3 111.705
C2 C1 F4 109.672 C2 C1 F5 109.672
F3 C1 F4 108.699 F3 C1 F5 108.699
F4 C1 F5 108.322 F6 C2 F7 108.997
F6 C2 H8 109.669 F7 C2 H8 109.669
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/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
  -1.282 -0.049 0.000 1.282
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.633 -0.620 0.000
y -0.620 -37.762 0.000
z 0.000 0.000 -37.399
Traceless
 xyz
x 3.947 -0.620 0.000
y -0.620 -2.245 0.000
z 0.000 0.000 -1.702
Polar
3z2-r2-3.404
x2-y24.128
xy-0.620
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 3.502 0.000
z 0.000 0.000 3.657


<r2> (average value of r2) Å2
<r2> 170.049
(<r2>)1/2 13.040