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

using model chemistry: MP2/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-85.343311
Energy at 298.15K-85.347053
HF Energy-84.614821
Nuclear repulsion energy102.327037
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/CEP-31G*
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' 3223 3060 8.61      
2 A' 1405 1334 52.53      
3 A' 1112 1056 219.24      
4 A' 837 795 167.50      
5 A' 759 721 119.33      
6 A' 536 508 89.40      
7 A' 453 430 60.42      
8 A' 335 318 38.50      
9 A' 241 229 2.07      
10 A" 3346 3177 2.39      
11 A" 958 910 201.68      
12 A" 833 791 13.11      
13 A" 451 428 1.05      
14 A" 347 329 22.23      
15 A" 223 211 2.28      

Unscaled Zero Point Vibrational Energy (zpe) 7528.6 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 7147.7 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 MP2/CEP-31G*
ABC
0.15299 0.13695 0.12240

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.016 0.132 0.000
C2 -0.512 1.708 0.000
F3 1.484 -0.473 0.000
F4 -0.512 -0.692 1.263
F5 -0.512 -0.692 -1.263
H6 -0.421 2.247 -0.947
H7 -0.421 2.247 0.947

Atom - Atom Distances (Å)
  P1 C2 F3 F4 F5 H6 H7
P11.65301.61701.58731.58732.35272.3527
C21.65302.95662.71252.71251.09291.0929
F31.61702.95662.37192.37193.45313.4531
F41.58732.71252.37192.52583.67812.9575
F51.58732.71252.37192.52582.95753.6781
H62.35271.09293.45313.67812.95751.8931
H72.35271.09293.45312.95753.67811.8931

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 116.440 P1 C2 H7 116.440
C2 P1 F3 129.419 C2 P1 F4 113.656
C2 P1 F5 113.656 F3 P1 F4 95.497
F3 P1 F5 95.497 F4 P1 F5 105.432
H6 C2 H7 120.028
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability