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

using model chemistry: QCISD/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 QCISD/6-31G
 hartrees
Energy at 0K-475.184384
Energy at 298.15K-475.188244
Nuclear repulsion energy263.825998
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 QCISD/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 2981 4.92      
2 A' 1555 1499 3.67      
3 A' 1453 1400 5.14      
4 A' 1316 1268 124.83      
5 A' 1185 1142 207.68      
6 A' 1044 1006 48.66      
7 A' 807 778 25.39      
8 A' 617 594 37.80      
9 A' 509 490 16.86      
10 A' 385 371 1.86      
11 A' 209 202 4.98      
12 A" 3161 3046 6.78      
13 A" 1332 1283 110.36      
14 A" 1190 1146 45.56      
15 A" 1001 965 62.51      
16 A" 489 472 5.55      
17 A" 338 326 2.20      
18 A" 111 107 9.17      

Unscaled Zero Point Vibrational Energy (zpe) 9898.0 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 9537.7 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 QCISD/6-31G
ABC
0.16517 0.08833 0.08738

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.350 0.199 0.000
C2 -1.167 0.260 0.000
F3 0.852 1.510 0.000
F4 0.852 -0.450 1.128
F5 0.852 -0.450 -1.128
F6 -1.674 -1.088 0.000
H7 -1.516 0.772 0.904
H8 -1.516 0.772 -0.904

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51841.40431.39511.39512.39862.15112.1511
C21.51842.37502.41982.41981.44041.09611.0961
F31.40432.37502.26192.26193.62402.64002.6400
F41.39512.41982.26192.25612.83932.67443.3514
F51.39512.41982.26192.25612.83933.35142.6744
F62.39861.44043.62402.83932.83932.07452.0745
H72.15111.09612.64002.67443.35142.07451.8084
H82.15111.09612.64003.35142.67442.07451.8084

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 108.293 C1 C2 H7 109.673
C1 C2 H8 109.673 C2 C1 F3 108.645
C2 C1 F4 112.243 C2 C1 F5 112.243
F3 C1 F4 107.803 F3 C1 F5 107.803
F4 C1 F5 107.919 F6 C2 H7 108.990
F6 C2 H8 108.990 H7 C2 H8 111.166
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability