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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: MP2=FULL/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 MP2=FULL/STO-3G
 hartrees
Energy at 0K-565.774066
Energy at 298.15K-565.776676
HF Energy-565.586198
Nuclear repulsion energy343.298511
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 MP2=FULL/STO-3G
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' 3308 2941 12.63      
2 A' 1495 1329 37.75      
3 A' 1369 1217 54.26      
4 A' 1247 1108 50.61      
5 A' 1199 1066 44.99      
6 A' 857 762 6.19      
7 A' 682 606 24.29      
8 A' 541 481 15.57      
9 A' 470 418 8.66      
10 A' 324 288 0.08      
11 A' 207 184 1.62      
12 A" 1508 1340 9.82      
13 A" 1392 1237 92.84      
14 A" 1293 1149 17.53      
15 A" 541 481 2.32      
16 A" 377 335 1.53      
17 A" 166 148 1.07      
18 A" 9 8 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 8491.8 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 7548.4 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 MP2=FULL/STO-3G
ABC
0.11362 0.07188 0.06001

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.125 -0.649 0.000
C2 -0.618 0.813 0.000
F3 1.507 -0.505 0.000
F4 -0.246 -1.371 1.129
F5 -0.246 -1.371 -1.129
F6 -0.246 1.534 -1.135
F7 -0.246 1.534 1.135
H8 -1.733 0.635 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.63941.39001.39081.39082.48772.48772.2580
C21.63942.50082.48622.48621.39481.39481.1293
F31.39002.50082.25822.25822.91902.91903.4351
F41.39082.48622.25822.25853.68262.90452.7399
F51.39082.48622.25822.25852.90453.68262.7399
F62.48771.39482.91903.68262.90452.26942.0751
F72.48771.39482.91902.90453.68262.26942.0751
H82.25801.12933.43512.73992.73992.07512.0751

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.884 C1 C2 F7 109.884
C1 C2 H8 107.863 C2 C1 F3 111.016
C2 C1 F4 109.993 C2 C1 F5 109.993
F3 C1 F4 108.604 F3 C1 F5 108.604
F4 C1 F5 108.575 F6 C2 F7 108.886
F6 C2 H8 110.157 F7 C2 H8 110.157
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability