return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for PF3CH2 (phosphorane, trifluoromethylene-)

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-678.936953
Energy at 298.15K-678.940816
HF Energy-678.118757
Nuclear repulsion energy271.367835
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/6-31+G**
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' 3280 3080 18.15      
2 A' 1420 1334 57.14      
3 A' 1161 1090 234.91      
4 A' 881 827 190.80      
5 A' 796 748 102.41      
6 A' 536 503 80.77      
7 A' 463 435 58.66      
8 A' 362 340 36.44      
9 A' 256 241 1.09      
10 A" 3400 3194 11.58      
11 A" 988 928 241.36      
12 A" 830 779 0.29      
13 A" 454 427 0.03      
14 A" 357 335 17.86      
15 A" 212 199 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 7697.2 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 7229.2 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=FULL/6-31+G**
ABC
0.15424 0.14097 0.12621

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.023 0.125 0.000
C2 -0.497 1.671 0.000
F3 1.478 -0.420 0.000
F4 -0.497 -0.697 1.255
F5 -0.497 -0.697 -1.255
H6 -0.509 2.204 -0.935
H7 -0.509 2.204 0.935

Atom - Atom Distances (Å)
  P1 C2 F3 F4 F5 H6 H7
P11.61721.59631.57371.57372.33092.3309
C21.61722.87622.68002.68001.07651.0765
F31.59632.87622.35652.35653.42143.4214
F41.57372.68002.35652.51063.63502.9184
F51.57372.68002.35652.51062.91843.6350
H62.33091.07653.42143.63502.91841.8705
H72.33091.07653.42142.91843.63501.8705

picture of phosphorane, trifluoromethylene- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H6 118.453 P1 C2 H7 118.453
C2 P1 F3 127.024 C2 P1 F4 114.252
C2 P1 F5 114.252 F3 P1 F4 96.038
F3 P1 F5 96.038 F4 P1 F5 105.823
H6 C2 H7 120.634
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability