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: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-676.717199
Energy at 298.15K-676.721223
HF Energy-676.717199
Nuclear repulsion energy274.113843
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 mPW1PW91/3-21G*
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' 3230 3067 16.54      
2 A' 1444 1371 104.21      
3 A' 1233 1170 206.22      
4 A' 996 945 196.53      
5 A' 864 820 44.44      
6 A' 704 669 187.78      
7 A' 474 450 52.57      
8 A' 395 375 29.87      
9 A' 275 261 0.12      
10 A" 3322 3155 6.13      
11 A" 1085 1030 199.24      
12 A" 851 808 9.15      
13 A" 447 425 1.42      
14 A" 373 354 13.96      
15 A" 158 150 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 7924.7 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 7525.3 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 mPW1PW91/3-21G*
ABC
0.15665 0.14323 0.12980

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.027 0.120 0.000
C2 -0.484 1.655 0.000
F3 1.466 -0.374 0.000
F4 -0.484 -0.709 1.237
F5 -0.484 -0.709 -1.237
H6 -0.591 2.200 -0.927
H7 -0.591 2.200 0.927

Atom - Atom Distances (Å)
  P1 C2 F3 F4 F5 H6 H7
P11.60131.57281.55761.55762.34642.3464
C21.60132.81372.66812.66811.08111.0811
F31.57282.81372.33332.33333.42293.4229
F41.55762.66812.33332.47453.62782.9279
F51.55762.66812.33332.47452.92793.6278
H62.34641.08113.42293.62782.92791.8543
H72.34641.08113.42292.92793.62781.8543

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 120.794 P1 C2 H7 120.794
C2 P1 F3 124.853 C2 P1 F4 115.254
C2 P1 F5 115.254 F3 P1 F4 96.379
F3 P1 F5 96.379 F4 P1 F5 105.181
H6 C2 H7 118.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 1.273      
2 C -0.970      
3 F -0.273      
4 F -0.266      
5 F -0.266      
6 H 0.251      
7 H 0.251      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.052 0.375 0.000 0.379
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.815 0.115 0.000
y 0.115 -33.004 0.000
z 0.000 0.000 -32.172
Traceless
 xyz
x -3.227 0.115 0.000
y 0.115 0.990 0.000
z 0.000 0.000 2.237
Polar
3z2-r24.475
x2-y2-2.812
xy0.115
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.720 -0.653 0.000
y -0.653 4.543 0.000
z 0.000 0.000 3.241


<r2> (average value of r2) Å2
<r2> 112.603
(<r2>)1/2 10.611