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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: MP4/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-574.934839
Energy at 298.15K-574.938126
HF Energy-573.582872
Nuclear repulsion energy355.541944
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 MP4/6-31G*
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' 3136 3064        
2 A' 1493 1458        
3 A' 1356 1324        
4 A' 1236 1208        
5 A' 1153 1126        
6 A' 884 864        
7 A' 717 701        
8 A' 566 553        
9 A' 511 499        
10 A' 360 351        
11 A' 243 237        
12 A" 1424 1391        
13 A" 1269 1240        
14 A" 1182 1154        
15 A" 581 567        
16 A" 411 402        
17 A" 206 202        
18 A" 73 71        

Unscaled Zero Point Vibrational Energy (zpe) 8399.2 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 8205.2 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 MP4/aug-cc-pVDZ
ABC
0.11929 0.07915 0.06539

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.603 0.000
C2 -0.615 0.749 0.000
F3 1.457 -0.439 0.000
F4 -0.234 -1.315 1.100
F5 -0.234 -1.315 -1.100
F6 -0.234 1.451 -1.113
F7 -0.234 1.451 1.113
H8 -1.710 0.618 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53851.34821.35661.35662.36352.36352.1985
C21.53852.38852.36942.36941.37061.37061.1024
F31.34822.38852.19902.19902.77012.77013.3382
F41.35662.36942.19902.19953.54272.76632.6685
F51.35662.36942.19902.19952.76633.54272.6685
F62.36351.37062.77013.54272.76632.22692.0279
F72.36351.37062.77012.76633.54272.22692.0279
H82.19851.10243.33822.66852.66852.02792.0279

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.535 C1 C2 F7 108.535
C1 C2 H8 111.642 C2 C1 F3 111.497
C2 C1 F4 109.696 C2 C1 F5 109.696
F3 C1 F4 108.781 F3 C1 F5 108.781
F4 C1 F5 108.326 F6 C2 F7 108.663
F6 C2 H8 109.703 F7 C2 H8 109.703
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability