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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-575.455507
Energy at 298.15K-575.458666
HF Energy-575.455507
Nuclear repulsion energy355.992727
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/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' 3017 2967 35.38      
2 A' 1404 1380 0.17      
3 A' 1282 1261 150.93      
4 A' 1172 1153 184.52      
5 A' 1119 1100 108.45      
6 A' 846 832 42.76      
7 A' 696 685 27.01      
8 A' 551 542 12.60      
9 A' 494 486 5.30      
10 A' 344 338 0.01      
11 A' 228 224 2.89      
12 A" 1362 1340 17.00      
13 A" 1200 1180 340.52      
14 A" 1128 1110 86.93      
15 A" 557 548 0.33      
16 A" 394 387 0.75      
17 A" 195 191 1.85      
18 A" 61 60 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 8024.6 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 7892.2 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/6-31G*
ABC
0.11941 0.07932 0.06553

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.121 -0.605 0.000
C2 -0.607 0.754 0.000
F3 1.459 -0.445 0.000
F4 -0.236 -1.310 1.099
F5 -0.236 -1.310 -1.099
F6 -0.236 1.449 -1.113
F7 -0.236 1.449 1.113
H8 -1.703 0.611 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.54121.34761.35401.35402.36312.36312.1915
C21.54122.38872.36772.36771.36351.36351.1052
F31.34762.38872.19752.19752.77502.77503.3334
F41.35402.36772.19752.19833.53652.75952.6551
F51.35402.36772.19752.19832.75953.53652.6551
F62.36311.36352.77503.53652.75952.22542.0229
F72.36311.36352.77502.75953.53652.22542.0229
H82.19151.10523.33342.65512.65512.02292.0229

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.733 C1 C2 F7 108.733
C1 C2 H8 110.731 C2 C1 F3 111.382
C2 C1 F4 109.566 C2 C1 F5 109.566
F3 C1 F4 108.864 F3 C1 F5 108.864
F4 C1 F5 108.546 F6 C2 F7 109.387
F6 C2 H8 109.615 F7 C2 H8 109.615
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.667      
2 C 0.301      
3 F -0.216      
4 F -0.223      
5 F -0.223      
6 F -0.231      
7 F -0.231      
8 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.230 -0.063 0.000 1.231
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.310 -0.623 0.000
y -0.623 -37.133 0.000
z 0.000 0.000 -36.897
Traceless
 xyz
x 3.706 -0.623 0.000
y -0.623 -2.030 0.000
z 0.000 0.000 -1.676
Polar
3z2-r2-3.352
x2-y23.824
xy-0.623
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.676 0.013 0.000
y 0.013 3.671 0.000
z 0.000 0.000 3.785


<r2> (average value of r2) Å2
<r2> 169.206
(<r2>)1/2 13.008