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All results from a given calculation for CF3CH2F (1,1,1,2-tetrafluoroethane)

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-476.249913
Energy at 298.15K-476.254048
Nuclear repulsion energy273.779898
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/cc-pVTZ
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' 3147 2987 12.87      
2 A' 1529 1451 7.57      
3 A' 1487 1411 26.23      
4 A' 1345 1277 135.60      
5 A' 1226 1164 271.29      
6 A' 1151 1093 80.61      
7 A' 870 826 16.72      
8 A' 680 646 30.89      
9 A' 561 533 8.15      
10 A' 420 399 0.61      
11 A' 222 210 3.08      
12 A" 3203 3041 6.96      
13 A" 1350 1282 124.18      
14 A" 1238 1175 99.18      
15 A" 1003 952 56.21      
16 A" 543 516 2.16      
17 A" 359 341 1.11      
18 A" 122 116 5.38      

Unscaled Zero Point Vibrational Energy (zpe) 10227.5 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 9710.0 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/cc-pVTZ
ABC
0.17967 0.09432 0.09305

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.358 0.191 0.000
C2 -1.144 0.239 0.000
F3 0.830 1.443 0.000
F4 0.830 -0.433 1.077
F5 0.830 -0.433 -1.077
F6 -1.640 -1.034 0.000
H7 -1.471 0.761 0.890
H8 -1.471 0.761 -0.890

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.50341.33801.33141.33142.34482.11322.1132
C21.50342.31312.34742.34741.36631.08291.0829
F31.33802.31312.16332.16333.49922.56042.5604
F41.33142.34742.16332.15462.76182.59983.2549
F51.33142.34742.16332.15462.76183.25492.5998
F62.34481.36633.49922.76182.76182.01142.0114
H72.11321.08292.56042.59983.25492.01141.7803
H82.11321.08292.56043.25492.59982.01141.7803

picture of 1,1,1,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.495 C1 C2 H7 108.491
C1 C2 H8 108.491 C2 C1 F3 108.854
C2 C1 F4 111.654 C2 C1 F5 111.654
F3 C1 F4 108.273 F3 C1 F5 108.273
F4 C1 F5 108.022 F6 C2 H7 109.882
F6 C2 H8 109.882 H7 C2 H8 110.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability