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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-475.885923
Energy at 298.15K-475.890010
Nuclear repulsion energy274.052387
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 MP2/6-31G(2df,p)
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' 3131 2957 11.99      
2 A' 1528 1443 5.48      
3 A' 1489 1406 25.13      
4 A' 1348 1274 134.45      
5 A' 1253 1183 241.37      
6 A' 1159 1095 62.54      
7 A' 872 824 13.28      
8 A' 677 639 28.81      
9 A' 559 528 8.13      
10 A' 417 394 0.58      
11 A' 214 203 2.69      
12 A" 3203 3026 10.39      
13 A" 1355 1280 137.72      
14 A" 1244 1175 59.18      
15 A" 1010 954 44.92      
16 A" 540 510 2.30      
17 A" 355 335 0.96      
18 A" 115 108 4.57      

Unscaled Zero Point Vibrational Energy (zpe) 10234.3 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 9666.2 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 MP2/6-31G(2df,p)
ABC
0.18013 0.09480 0.09357

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.357 0.199 0.000
C2 -1.154 0.232 0.000
F3 0.825 1.449 0.000
F4 0.825 -0.426 1.076
F5 0.825 -0.426 -1.076
F6 -1.612 -1.053 0.000
H7 -1.495 0.755 0.895
H8 -1.495 0.755 -0.895

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51111.33521.32971.32972.33342.13062.1306
C21.51112.32372.34692.34691.36411.09121.0912
F31.33522.32372.16192.16193.49342.58242.5824
F41.32972.34692.16192.15242.73762.60973.2655
F51.32972.34692.16192.15242.73763.26552.6097
F62.33341.36413.49342.73762.73762.02032.0203
H72.13061.09122.58242.60973.26552.02031.7900
H82.13061.09122.58243.26552.60972.02031.7900

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 108.394 C1 C2 H7 108.851
C1 C2 H8 108.851 C2 C1 F3 109.297
C2 C1 F4 111.255 C2 C1 F5 111.255
F3 C1 F4 108.437 F3 C1 F5 108.437
F4 C1 F5 108.072 F6 C2 H7 110.243
F6 C2 H8 110.243 H7 C2 H8 110.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability