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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-476.311127
Energy at 298.15K-476.315730
Nuclear repulsion energy275.999514
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 CBS-Q
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' 3266 3266 16.45      
2 A' 1645 1645 9.26      
3 A' 1611 1611 23.34      
4 A' 1447 1447 218.88      
5 A' 1352 1352 316.75      
6 A' 1223 1223 122.87      
7 A' 923 923 19.41      
8 A' 726 726 44.80      
9 A' 599 599 14.43      
10 A' 448 448 0.89      
11 A' 232 232 4.39      
12 A" 3332 3332 22.66      
13 A" 1464 1464 210.46      
14 A" 1340 1340 68.14      
15 A" 1088 1088 64.49      
16 A" 584 584 4.84      
17 A" 381 381 1.13      
18 A" 117 117 7.54      

Unscaled Zero Point Vibrational Energy (zpe) 10888.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10888.4 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 CBS-Q
ABC
0.17771 0.09328 0.09202

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.361 0.191 0.000
C2 -1.150 0.236 0.000
F3 0.828 1.426 0.000
F4 0.828 -0.424 1.064
F5 0.828 -0.424 -1.064
F6 -1.627 -1.030 0.000
H7 -1.491 0.751 0.889
H8 -1.491 0.751 -0.889

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51111.32061.31451.31452.33312.12892.1289
C21.51112.30862.34062.34061.35301.08321.0832
F31.32062.30862.13382.13383.47322.57342.5734
F41.31452.34062.13382.12742.74372.60533.2514
F51.31452.34062.13382.12742.74373.25142.6053
F62.33311.35303.47322.74372.74371.99621.9962
H72.12891.08322.57342.60533.25141.99621.7788
H82.12891.08322.57343.25142.60531.99621.7788

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 108.970 C1 C2 H7 109.174
C1 C2 H8 109.174 C2 C1 F3 109.043
C2 C1 F4 111.669 C2 C1 F5 111.669
F3 C1 F4 108.147 F3 C1 F5 108.147
F4 C1 F5 108.043 F6 C2 H7 109.554
F6 C2 H8 109.554 H7 C2 H8 110.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability