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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-574.645426
Energy at 298.15K-574.648853
HF Energy-573.514012
Nuclear repulsion energy359.421919
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/6-31G**
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' 3211 3001 25.27      
2 A' 1519 1419 2.92      
3 A' 1373 1283 150.96      
4 A' 1253 1171 208.77      
5 A' 1174 1097 104.53      
6 A' 898 839 53.18      
7 A' 729 681 31.62      
8 A' 576 538 15.54      
9 A' 519 485 8.45      
10 A' 366 342 0.04      
11 A' 246 230 4.09      
12 A" 1442 1348 18.62      
13 A" 1285 1200 345.41      
14 A" 1203 1124 94.66      
15 A" 589 550 0.88      
16 A" 418 391 1.29      
17 A" 210 196 2.53      
18 A" 78 73 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 8543.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 7982.9 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/6-31G**
ABC
0.12110 0.08142 0.06705

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.116 -0.595 0.000
C2 -0.609 0.739 0.000
F3 1.443 -0.421 0.000
F4 -0.232 -1.298 1.092
F5 -0.232 -1.298 -1.092
F6 -0.232 1.427 -1.107
F7 -0.232 1.427 1.107
H8 -1.688 0.602 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.51861.33801.34411.34412.33162.33162.1652
C21.51862.35652.34202.34201.35671.35671.0876
F31.33802.35652.18282.18282.72802.72803.2932
F41.34412.34202.18282.18313.50162.72562.6313
F51.34412.34202.18282.18312.72563.50162.6313
F62.33161.35672.72803.50162.72562.21322.0066
F72.33161.35672.72802.72563.50162.21322.0066
H82.16521.08763.29322.63132.63132.00662.0066

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.238 C1 C2 F7 108.238
C1 C2 H8 111.281 C2 C1 F3 111.012
C2 C1 F4 109.642 C2 C1 F5 109.642
F3 C1 F4 108.948 F3 C1 F5 108.948
F4 C1 F5 108.607 F6 C2 F7 109.305
F6 C2 H8 109.865 F7 C2 H8 109.865
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability