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All results from a given calculation for CF3CH2F (1,1,1,2-tetrafluoroethane)

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-475.613816
Energy at 298.15K-475.617834
Nuclear repulsion energy271.207650
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(T)/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' 3094 2977        
2 A' 1547 1488        
3 A' 1492 1435        
4 A' 1353 1301        
5 A' 1246 1198        
6 A' 1133 1090        
7 A' 858 825        
8 A' 663 638        
9 A' 545 525        
10 A' 410 394        
11 A' 215 207        
12 A" 3158 3038        
13 A" 1358 1306        
14 A" 1237 1191        
15 A" 1013 975        
16 A" 526 506        
17 A" 354 340        
18 A" 112 108        

Unscaled Zero Point Vibrational Energy (zpe) 10156.2 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 9771.3 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(T)/6-31G*
ABC
0.17603 0.09295 0.09179

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.355 0.198 0.000
C2 -1.157 0.240 0.000
F3 0.833 1.465 0.000
F4 0.833 -0.432 1.089
F5 0.833 -0.432 -1.089
F6 -1.631 -1.062 0.000
H7 -1.501 0.762 0.900
H8 -1.501 0.762 -0.900

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51251.35391.34651.34652.35202.13822.1382
C21.51252.33722.36632.36631.38481.09631.0963
F31.35392.33722.18752.18753.52932.59862.5986
F41.34652.36632.18752.17902.76722.62853.2914
F51.34652.36632.18752.17902.76723.29142.6285
F62.35201.38483.52932.76722.76722.03782.0378
H72.13821.09632.59862.62853.29142.03781.8010
H82.13821.09632.59863.29142.62852.03781.8010

picture of 1,1,1,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.458 C1 C2 H7 109.051
C1 C2 H8 109.051 C2 C1 F3 109.123
C2 C1 F4 111.590 C2 C1 F5 111.590
F3 C1 F4 108.200 F3 C1 F5 108.200
F4 C1 F5 108.023 F6 C2 H7 109.894
F6 C2 H8 109.894 H7 C2 H8 110.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability