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: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G4
 hartrees
Energy at 0K-680.053114
Energy at 298.15K-680.046537
HF Energy-680.259934
Nuclear repulsion energy275.296823
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 B3LYP/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' 3193 3081 12.44      
2 A' 1373 1325 66.79      
3 A' 1155 1115 189.61      
4 A' 901 870 142.10      
5 A' 812 784 59.13      
6 A' 503 485 46.26      
7 A' 472 455 57.27      
8 A' 361 348 43.82      
9 A' 264 254 0.75      
10 A" 3298 3183 4.82      
11 A" 998 963 176.60      
12 A" 799 771 1.10      
13 A" 446 431 0.25      
14 A" 363 351 11.97      
15 A" 190 183 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 7563.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 7298.8 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 B3LYP/6-31G(2df,p)
ABC
0.15887 0.14418 0.13035

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.024 0.117 0.000
C2 -0.488 1.659 0.000
F3 1.455 -0.397 0.000
F4 -0.488 -0.696 1.230
F5 -0.488 -0.696 -1.230
H6 -0.512 2.199 -0.935
H7 -0.512 2.199 0.935

Atom - Atom Distances (Å)
  P1 C2 F3 F4 F5 H6 H7
P11.60971.56571.54641.54642.33402.3340
C21.60972.82902.65702.65701.08031.0803
F31.56572.82902.31912.31913.38953.3895
F41.54642.65702.31912.46023.61572.9109
F51.54642.65702.31912.46022.91093.6157
H62.33401.08033.38953.61572.91091.8698
H72.33401.08033.38952.91093.61571.8698

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 119.500 P1 C2 H7 119.500
C2 P1 F3 125.249 C2 P1 F4 114.817
C2 P1 F5 114.817 F3 P1 F4 96.570
F3 P1 F5 96.570 F4 P1 F5 105.439
H6 C2 H7 119.908
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.474      
2 C -0.632      
3 F -0.060      
4 F -0.037      
5 F -0.037      
6 H 0.146      
7 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.138 0.288 0.000 0.319
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 111.750
(<r2>)1/2 10.571