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: B3LYPultrafine/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 B3LYPultrafine/3-21G
 hartrees
Energy at 0K-676.589334
Energy at 298.15K-676.593079
HF Energy-676.589334
Nuclear repulsion energy264.329484
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 B3LYPultrafine/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' 3237 3123 20.17      
2 A' 1429 1379 37.09      
3 A' 1161 1120 176.90      
4 A' 900 869 158.19      
5 A' 774 747 30.44      
6 A' 668 645 171.36      
7 A' 413 398 47.15      
8 A' 329 317 38.58      
9 A' 234 225 0.19      
10 A" 3346 3228 10.13      
11 A" 1023 987 141.67      
12 A" 882 851 0.52      
13 A" 430 415 0.07      
14 A" 336 324 22.37      
15 A" 169 163 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 7664.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 7395.7 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 B3LYPultrafine/3-21G
ABC
0.14625 0.13503 0.11888

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.034 0.139 0.000
C2 -0.495 1.713 0.000
F3 1.507 -0.430 0.000
F4 -0.495 -0.720 1.301
F5 -0.495 -0.720 -1.301
H6 -0.589 2.239 -0.937
H7 -0.589 2.239 0.937

Atom - Atom Distances (Å)
  P1 C2 F3 F4 F5 H6 H7
P11.64091.64171.62601.62602.36582.3658
C21.64092.93262.75962.75961.07811.0781
F31.64172.93262.40482.40483.52043.5204
F41.62602.75962.40482.60263.71122.9829
F51.62602.75962.40482.60262.98293.7112
H62.36581.07813.52043.71122.98291.8734
H72.36581.07813.52042.98293.71121.8734

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 119.495 P1 C2 H7 119.495
C2 P1 F3 126.600 C2 P1 F4 115.284
C2 P1 F5 115.284 F3 P1 F4 94.771
F3 P1 F5 94.771 F4 P1 F5 106.321
H6 C2 H7 120.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 1.549      
2 C -1.067      
3 F -0.334      
4 F -0.331      
5 F -0.331      
6 H 0.258      
7 H 0.258      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.187 1.186 0.000 1.200
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.158 0.249 0.000
y 0.249 -33.886 0.000
z 0.000 0.000 -33.688
Traceless
 xyz
x -3.370 0.249 0.000
y 0.249 1.536 0.000
z 0.000 0.000 1.834
Polar
3z2-r23.668
x2-y2-3.271
xy0.249
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.027 -0.840 0.000
y -0.840 5.220 0.000
z 0.000 0.000 3.508


<r2> (average value of r2) Å2
<r2> 119.984
(<r2>)1/2 10.954