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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-575.564917
Energy at 298.15K-575.568268
HF Energy-575.198699
Nuclear repulsion energy359.192093
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 B2PLYP=FULL/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' 3164 3001 27.11      
2 A' 1491 1414 0.74      
3 A' 1355 1285 155.31      
4 A' 1237 1173 200.13      
5 A' 1164 1103 113.40      
6 A' 887 842 50.53      
7 A' 725 688 31.62      
8 A' 573 544 15.01      
9 A' 516 489 7.77      
10 A' 361 342 0.03      
11 A' 242 230 3.80      
12 A" 1431 1357 17.76      
13 A" 1266 1201 341.30      
14 A" 1185 1124 102.53      
15 A" 584 553 0.77      
16 A" 414 393 1.15      
17 A" 206 196 2.41      
18 A" 67 63 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 8433.4 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 7998.2 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 B2PLYP=FULL/6-31G*
ABC
0.12140 0.08094 0.06679

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.118 -0.598 0.000
C2 -0.606 0.744 0.000
F3 1.444 -0.434 0.000
F4 -0.233 -1.299 1.090
F5 -0.233 -1.299 -1.090
F6 -0.233 1.434 -1.105
F7 -0.233 1.434 1.105
H8 -1.689 0.607 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52531.33621.34251.34252.33912.33912.1719
C21.52532.36462.34592.34591.35461.35461.0913
F31.33622.36462.17912.17912.74202.74203.3013
F41.34252.34592.17912.17973.50492.73302.6349
F51.34252.34592.17912.17972.73303.50492.6349
F62.33911.35462.74203.50492.73302.20912.0060
F72.33911.35462.74202.73303.50492.20912.0060
H82.17191.09133.30132.63492.63492.00602.0060

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.479 C1 C2 F7 108.479
C1 C2 H8 111.128 C2 C1 F3 111.280
C2 C1 F4 109.611 C2 C1 F5 109.611
F3 C1 F4 108.872 F3 C1 F5 108.872
F4 C1 F5 108.545 F6 C2 F7 109.257
F6 C2 H8 109.730 F7 C2 H8 109.730
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability