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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: MP2=FULL/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-575.458494
Energy at 298.15K-575.461964
HF Energy-573.748680
Nuclear repulsion energy361.367891
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/aug-cc-pVTZ
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' 3166 3012 12.51      
2 A' 1493 1420 1.68      
3 A' 1347 1282 140.21      
4 A' 1222 1163 203.02      
5 A' 1165 1108 125.60      
6 A' 891 848 47.79      
7 A' 734 699 31.42      
8 A' 585 556 14.10      
9 A' 524 499 7.23      
10 A' 369 351 0.04      
11 A' 247 235 3.73      
12 A" 1397 1329 6.72      
13 A" 1241 1181 384.97      
14 A" 1170 1113 95.68      
15 A" 592 563 0.52      
16 A" 422 401 0.90      
17 A" 213 203 2.08      
18 A" 77 74 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 8427.5 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 8018.0 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/aug-cc-pVTZ
ABC
0.12341 0.08153 0.06744

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.598 0.000
C2 -0.601 0.742 0.000
F3 1.435 -0.441 0.000
F4 -0.232 -1.292 1.081
F5 -0.232 -1.292 -1.081
F6 -0.232 1.431 -1.094
F7 -0.232 1.431 1.094
H8 -1.677 0.600 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52111.32531.33201.33202.33202.33202.1591
C21.52112.35482.33302.33301.34481.34481.0859
F31.32532.35482.16182.16182.73542.73543.2819
F41.33202.33302.16182.16213.48572.72372.6147
F51.33202.33302.16182.16212.72373.48572.6147
F62.33201.34482.73543.48572.72372.18831.9946
F72.33201.34482.73542.72373.48572.18831.9946
H82.15911.08593.28192.61472.61471.99461.9946

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.767 C1 C2 F7 108.767
C1 C2 H8 110.720 C2 C1 F3 111.456
C2 C1 F4 109.533 C2 C1 F5 109.533
F3 C1 F4 108.880 F3 C1 F5 108.880
F4 C1 F5 108.504 F6 C2 F7 108.900
F6 C2 H8 109.825 F7 C2 H8 109.825
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability