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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-574.695016
Energy at 298.15K-574.698413
HF Energy-573.535151
Nuclear repulsion energy357.943931
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/6-31+G**
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' 3225 3029 11.54      
2 A' 1487 1397 1.00      
3 A' 1340 1259 144.58      
4 A' 1212 1139 217.72      
5 A' 1146 1076 133.69      
6 A' 879 825 55.73      
7 A' 718 674 32.71      
8 A' 570 535 16.09      
9 A' 512 481 8.63      
10 A' 362 340 0.06      
11 A' 246 231 4.27      
12 A" 1402 1317 10.66      
13 A" 1230 1156 400.63      
14 A" 1158 1087 103.40      
15 A" 579 544 0.69      
16 A" 413 388 1.17      
17 A" 213 200 2.51      
18 A" 84 79 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 8387.6 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 7877.6 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/6-31+G**
ABC
0.12054 0.08043 0.06636

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.118 -0.599 0.000
C2 -0.611 0.743 0.000
F3 1.448 -0.432 0.000
F4 -0.233 -1.305 1.094
F5 -0.233 -1.305 -1.094
F6 -0.233 1.438 -1.108
F7 -0.233 1.438 1.108
H8 -1.691 0.613 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52701.34081.34861.34862.34522.34522.1770
C21.52702.37122.35232.35231.36181.36181.0872
F31.34082.37122.18772.18772.74832.74833.3084
F41.34862.35232.18772.18803.51762.74302.6456
F51.34862.35232.18772.18802.74303.51762.6456
F62.34521.36182.74833.51762.74302.21642.0083
F72.34521.36182.74832.74303.51762.21642.0083
H82.17701.08723.30842.64562.64562.00832.0083

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.418 C1 C2 F7 108.418
C1 C2 H8 111.661 C2 C1 F3 111.384
C2 C1 F4 109.618 C2 C1 F5 109.618
F3 C1 F4 108.867 F3 C1 F5 108.867
F4 C1 F5 108.430 F6 C2 F7 108.934
F6 C2 H8 109.677 F7 C2 H8 109.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability