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

using model chemistry: MP2=FULL/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=FULL/3-21G*
 hartrees
Energy at 0K-472.746145
Energy at 298.15K-472.750094
Nuclear repulsion energy267.267773
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=FULL/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 2994 7.82      
2 A' 1614 1530 2.95      
3 A' 1506 1428 1.76      
4 A' 1339 1269 167.84      
5 A' 1255 1190 199.72      
6 A' 1111 1053 30.87      
7 A' 833 789 12.36      
8 A' 637 604 32.02      
9 A' 530 503 17.54      
10 A' 397 377 1.27      
11 A' 197 187 4.45      
12 A" 3213 3046 12.63      
13 A" 1410 1337 105.54      
14 A" 1247 1182 53.98      
15 A" 1052 997 48.86      
16 A" 512 486 6.67      
17 A" 337 319 0.87      
18 A" 115 109 6.70      

Unscaled Zero Point Vibrational Energy (zpe) 10231.4 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 9699.3 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 MP2=FULL/3-21G*
ABC
0.16933 0.09056 0.08946

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 1.486 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 0.891
H8 -1.470 0.794 -0.891

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.50851.38021.37291.37292.38482.12102.1210
C21.50852.33892.38722.38721.41961.08891.0889
F31.38022.33892.23312.23313.57772.57222.5722
F41.37292.38722.23312.22512.81282.63413.3024
F51.37292.38722.23312.22512.81283.30242.6341
F62.38481.41963.57772.81282.81282.07012.0701
H72.12101.08892.57222.63413.30242.07011.7830
H82.12101.08892.57223.30242.63412.07011.7830

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 109.021 C1 C2 H7 108.400
C1 C2 H8 108.400 C2 C1 F3 108.042
C2 C1 F4 111.799 C2 C1 F5 111.799
F3 C1 F4 108.415 F3 C1 F5 108.415
F4 C1 F5 108.267 F6 C2 H7 110.527
F6 C2 H8 110.527 H7 C2 H8 109.906
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability