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: MP4/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-679.094631
Energy at 298.15K-679.098295
HF Energy-678.149807
Nuclear repulsion energy266.963656
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 MP4/6-31G*
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' 3222 3147        
2 A' 1430 1397        
3 A' 1173 1146        
4 A' 904 883        
5 A' 806 788        
6 A' 555 542        
7 A' 462 451        
8 A' 354 346        
9 A' 251 245        
10 A" 3328 3251        
11 A" 1015 992        
12 A" 841 822        
13 A" 459 448        
14 A" 363 354        
15 A" 208 203        

Unscaled Zero Point Vibrational Energy (zpe) 7684.4 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 7506.9 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 MP4/aug-cc-pVDZ
ABC
0.15101 0.13646 0.12113

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.021 0.137 0.000
C2 -0.508 1.707 0.000
F3 1.490 -0.469 0.000
F4 -0.508 -0.698 1.275
F5 -0.508 -0.698 -1.275
H6 -0.450 2.244 -0.950
H7 -0.450 2.244 0.950

Atom - Atom Distances (Å)
  P1 C2 F3 F4 F5 H6 H7
P11.64391.62831.60051.60052.35062.3506
C21.64392.95462.72272.72271.09291.0929
F31.62832.95462.38152.38153.46813.4681
F41.60052.72272.38152.55093.68972.9606
F51.60052.72272.38152.55092.96063.6897
H62.35061.09293.46813.68972.96061.9006
H72.35061.09293.46812.96063.68971.9006

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 116.949 P1 C2 H7 116.949
C2 P1 F3 129.094 C2 P1 F4 114.103
C2 P1 F5 114.103 F3 P1 F4 95.049
F3 P1 F5 95.049 F4 P1 F5 105.669
H6 C2 H7 120.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability