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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-575.613741
Energy at 298.15K-575.617086
HF Energy-575.233861
Nuclear repulsion energy357.792826
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/6-31+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' 3176 3020 12.61      
2 A' 1460 1389 0.47      
3 A' 1321 1257 150.72      
4 A' 1198 1139 206.14      
5 A' 1138 1082 148.62      
6 A' 869 826 53.32      
7 A' 715 680 33.74      
8 A' 568 540 15.63      
9 A' 510 485 8.20      
10 A' 358 341 0.05      
11 A' 244 232 4.06      
12 A" 1387 1319 9.23      
13 A" 1214 1154 400.08      
14 A" 1142 1086 113.56      
15 A" 574 546 0.61      
16 A" 409 389 1.06      
17 A" 210 199 2.45      
18 A" 74 70 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 8282.7 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 7876.8 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/6-31+G**
ABC
0.12096 0.07994 0.06612

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.120 -0.601 0.000
C2 -0.608 0.748 0.000
F3 1.450 -0.446 0.000
F4 -0.234 -1.305 1.092
F5 -0.234 -1.305 -1.092
F6 -0.234 1.445 -1.105
F7 -0.234 1.445 1.105
H8 -1.690 0.617 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53361.33881.34671.34672.35252.35252.1817
C21.53362.37972.35592.35591.35921.35921.0898
F31.33882.37972.18332.18332.76302.76303.3150
F41.34672.35592.18332.18343.52042.75062.6469
F51.34672.35592.18332.18342.75063.52042.6469
F62.35251.35922.76303.52042.75062.21082.0071
F72.35251.35922.76302.75063.52042.21082.0071
H82.18171.08983.31502.64692.64692.00712.0071

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.680 C1 C2 F7 108.680
C1 C2 H8 111.414 C2 C1 F3 111.708
C2 C1 F4 109.589 C2 C1 F5 109.589
F3 C1 F4 108.782 F3 C1 F5 108.782
F4 C1 F5 108.320 F6 C2 F7 108.837
F6 C2 H8 109.591 F7 C2 H8 109.591
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability