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

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-674.505094
Energy at 298.15K-674.509185
HF Energy-674.505094
Nuclear repulsion energy269.778640
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 HF/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3388 3068 20.68      
2 A' 1530 1385 40.46      
3 A' 1232 1116 282.35      
4 A' 1030 932 222.34      
5 A' 878 795 21.21      
6 A' 753 682 264.16      
7 A' 469 425 82.11      
8 A' 390 353 63.73      
9 A' 271 245 0.19      
10 A" 3501 3170 15.36      
11 A" 1136 1029 198.92      
12 A" 980 888 0.00      
13 A" 442 400 1.68      
14 A" 379 343 40.62      
15 A" 157 142 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 8267.0 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 7486.6 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 HF/3-21G
ABC
0.15312 0.13819 0.12525

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.029 0.135 0.000
C2 -0.488 1.698 0.000
F3 1.480 -0.394 0.000
F4 -0.488 -0.728 1.253
F5 -0.488 -0.728 -1.253
H6 -0.594 2.214 -0.929
H7 -0.594 2.214 0.929

Atom - Atom Distances (Å)
  P1 C2 F3 F4 F5 H6 H7
P11.62901.59911.58891.58892.34542.3454
C21.62902.87232.73062.73061.06751.0675
F31.59912.87232.35632.35633.45883.4588
F41.58892.73062.35632.50513.66372.9612
F51.58892.73062.35632.50512.96123.6637
H62.34541.06753.45883.66372.96121.8577
H72.34541.06753.45882.96123.66371.8577

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 119.413 P1 C2 H7 119.413
C2 P1 F3 125.692 C2 P1 F4 116.106
C2 P1 F5 116.106 F3 P1 F4 95.311
F3 P1 F5 95.311 F4 P1 F5 104.053
H6 C2 H7 120.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 2.066      
2 C -1.274      
3 F -0.465      
4 F -0.457      
5 F -0.457      
6 H 0.293      
7 H 0.293      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.190 1.232 0.000 1.247
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.251 0.366 0.000
y 0.366 -35.454 0.000
z 0.000 0.000 -34.429
Traceless
 xyz
x -3.310 0.366 0.000
y 0.366 0.886 0.000
z 0.000 0.000 2.423
Polar
3z2-r24.847
x2-y2-2.797
xy0.366
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.609 -0.751 0.000
y -0.751 4.528 0.000
z 0.000 0.000 3.032


<r2> (average value of r2) Å2
<r2> 116.935
(<r2>)1/2 10.814