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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: CCSD/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 CCSD/cc-pVDZ
 hartrees
Energy at 0K-574.749210
Energy at 298.15K-574.752677
HF Energy-573.541743
Nuclear repulsion energy359.565986
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 CCSD/cc-pVDZ
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' 3151 2985 27.71      
2 A' 1503 1423 5.74      
3 A' 1365 1293 196.12      
4 A' 1253 1187 200.85      
5 A' 1170 1109 131.32      
6 A' 888 841 50.44      
7 A' 735 696 36.08      
8 A' 588 557 15.86      
9 A' 531 503 10.18      
10 A' 369 350 0.05      
11 A' 245 232 4.57      
12 A" 1408 1333 23.67      
13 A" 1294 1226 379.68      
14 A" 1209 1145 105.34      
15 A" 595 564 1.25      
16 A" 421 399 1.32      
17 A" 211 200 3.05      
18 A" 74 70 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 8504.2 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 8056.0 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 CCSD/cc-pVDZ
ABC
0.12217 0.08074 0.06679

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.120 -0.601 0.000
C2 -0.603 0.748 0.000
F3 1.442 -0.442 0.000
F4 -0.233 -1.299 1.086
F5 -0.233 -1.299 -1.086
F6 -0.233 1.438 -1.100
F7 -0.233 1.438 1.100
H8 -1.696 0.601 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53041.33231.33801.33802.34342.34342.1773
C21.53042.36662.34632.34631.35041.35041.1020
F31.33232.36662.17232.17232.74782.74783.3069
F41.33802.34632.17232.17193.50252.73662.6324
F51.33802.34632.17232.17192.73663.50252.6324
F62.34341.35042.74783.50252.73662.20022.0123
F72.34341.35042.74782.73663.50252.20022.0123
H82.17731.10203.30692.63242.63242.01232.0123

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.710 C1 C2 F7 108.710
C1 C2 H8 110.550 C2 C1 F3 111.335
C2 C1 F4 109.584 C2 C1 F5 109.584
F3 C1 F4 108.884 F3 C1 F5 108.884
F4 C1 F5 108.517 F6 C2 F7 109.106
F6 C2 H8 109.866 F7 C2 H8 109.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability