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

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-675.284460
Energy at 298.15K-675.288590
HF Energy-674.719780
Nuclear repulsion energy273.801276
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=FULL/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' 3241 3073 14.82      
2 A' 1498 1420 78.26      
3 A' 1252 1187 230.44      
4 A' 1007 955 200.43      
5 A' 880 834 47.56      
6 A' 706 669 175.80      
7 A' 491 465 62.50      
8 A' 408 387 35.46      
9 A' 289 274 0.22      
10 A" 3335 3161 3.86      
11 A" 1102 1044 209.31      
12 A" 883 837 5.45      
13 A" 464 440 1.90      
14 A" 384 364 17.92      
15 A" 168 159 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 8052.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 7634.1 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=FULL/3-21G*
ABC
0.15620 0.14275 0.12971

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.027 0.120 0.000
C2 -0.485 1.655 0.000
F3 1.470 -0.372 0.000
F4 -0.485 -0.711 1.237
F5 -0.485 -0.711 -1.237
H6 -0.587 2.203 -0.927
H7 -0.587 2.203 0.927

Atom - Atom Distances (Å)
  P1 C2 F3 F4 F5 H6 H7
P11.60201.57531.55961.55962.34722.3472
C21.60202.81632.67022.67021.08111.0811
F31.57532.81632.33842.33843.42333.4233
F41.55962.67022.33842.47463.63082.9320
F51.55962.67022.33842.47462.93203.6308
H62.34721.08113.42333.63082.93201.8532
H72.34721.08113.42332.93203.63081.8532

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 120.811 P1 C2 H7 120.811
C2 P1 F3 124.843 C2 P1 F4 115.248
C2 P1 F5 115.248 F3 P1 F4 96.476
F3 P1 F5 96.476 F4 P1 F5 104.999
H6 C2 H7 117.991
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability