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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-472.735345
Energy at 298.15K-472.739292
Nuclear repulsion energy267.230446
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 MP2/3-21G*
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' 3158 3004 7.85      
2 A' 1614 1535 2.94      
3 A' 1506 1433 1.75      
4 A' 1338 1273 167.81      
5 A' 1255 1193 199.84      
6 A' 1111 1057 30.90      
7 A' 832 792 12.39      
8 A' 637 606 32.01      
9 A' 530 504 17.54      
10 A' 397 378 1.27      
11 A' 197 187 4.45      
12 A" 3213 3056 12.70      
13 A" 1410 1341 105.34      
14 A" 1247 1186 54.10      
15 A" 1052 1001 48.99      
16 A" 512 487 6.67      
17 A" 337 320 0.87      
18 A" 115 109 6.70      

Unscaled Zero Point Vibrational Energy (zpe) 10229.0 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 9730.9 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 MP2/3-21G*
ABC
0.16929 0.09054 0.08943

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.358 0.193 0.000
C2 -1.149 0.258 0.000
F3 0.841 1.487 0.000
F4 0.841 -0.450 1.113
F5 0.841 -0.450 -1.113
F6 -1.669 -1.064 0.000
H7 -1.470 0.794 0.892
H8 -1.470 0.794 -0.892

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.50881.38041.37301.37302.38522.12122.1212
C21.50882.33912.38762.38761.41991.08901.0890
F31.38042.33912.23342.23343.57822.57242.5724
F41.37302.38762.23342.22542.81332.63443.3028
F51.37302.38762.23342.22542.81333.30282.6344
F62.38521.41993.57822.81332.81332.07042.0704
H72.12121.08902.57242.63443.30282.07041.7832
H82.12121.08902.57243.30282.63442.07041.7832

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 109.024 C1 C2 H7 108.397
C1 C2 H8 108.397 C2 C1 F3 108.035
C2 C1 F4 111.802 C2 C1 F5 111.802
F3 C1 F4 108.414 F3 C1 F5 108.414
F4 C1 F5 108.267 F6 C2 H7 110.526
F6 C2 H8 110.526 H7 C2 H8 109.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability