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

using model chemistry: CCSD/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/6-31G*
 hartrees
Energy at 0K-475.609459
Energy at 298.15K-475.613524
Nuclear repulsion energy271.852740
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/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' 3119 2946 12.01      
2 A' 1557 1471 5.76      
3 A' 1509 1425 27.26      
4 A' 1370 1293 145.52      
5 A' 1267 1197 252.16      
6 A' 1150 1086 74.97      
7 A' 870 822 18.65      
8 A' 672 635 33.22      
9 A' 553 522 10.48      
10 A' 415 392 0.82      
11 A' 218 206 3.36      
12 A" 3182 3005 15.05      
13 A" 1375 1299 163.85      
14 A" 1251 1181 45.19      
15 A" 1024 967 52.23      
16 A" 534 504 3.17      
17 A" 359 339 1.34      
18 A" 114 108 5.76      

Unscaled Zero Point Vibrational Energy (zpe) 10270.4 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 9698.3 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/6-31G*
ABC
0.17698 0.09334 0.09216

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.355 0.197 0.000
C2 -1.155 0.239 0.000
F3 0.832 1.460 0.000
F4 0.832 -0.431 1.086
F5 0.832 -0.431 -1.086
F6 -1.630 -1.058 0.000
H7 -1.499 0.761 0.899
H8 -1.499 0.761 -0.899

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51061.34971.34271.34272.34802.13552.1355
C21.51062.33222.36212.36211.38131.09431.0943
F31.34972.33222.18062.18063.52122.59402.5940
F41.34272.36212.18062.17272.76282.62463.2854
F51.34272.36212.18062.17272.76283.28542.6246
F62.34801.38133.52122.76282.76282.03292.0329
H72.13551.09432.59402.62463.28542.03291.7974
H82.13551.09432.59403.28542.62462.03291.7974

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 108.484 C1 C2 H7 109.084
C1 C2 H8 109.084 C2 C1 F3 109.117
C2 C1 F4 111.623 C2 C1 F5 111.623
F3 C1 F4 108.175 F3 C1 F5 108.175
F4 C1 F5 108.009 F6 C2 H7 109.866
F6 C2 H8 109.866 H7 C2 H8 110.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability