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

using model chemistry: QCISD(T)/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/TZVP
 hartrees
Energy at 0K-679.173110
Energy at 298.15K-679.176954
HF Energy-678.249728
Nuclear repulsion energy271.857402
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 QCISD(T)/TZVP
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' 3202 3084        
2 A' 1392 1341        
3 A' 1134 1092        
4 A' 868 836        
5 A' 788 759        
6 A' 534 514        
7 A' 469 452        
8 A' 345 333        
9 A' 244 235        
10 A" 3316 3194        
11 A" 977 941        
12 A" 823 793        
13 A" 455 438        
14 A" 357 344        
15 A" 217 209        

Unscaled Zero Point Vibrational Energy (zpe) 7560.8 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 7282.5 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 QCISD(T)/TZVP
ABC
0.15629 0.14085 0.12610

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.017 0.128 0.000
C2 -0.501 1.681 0.000
F3 1.467 -0.446 0.000
F4 -0.501 -0.690 1.248
F5 -0.501 -0.690 -1.248
H6 -0.457 2.217 -0.937
H7 -0.457 2.217 0.937

Atom - Atom Distances (Å)
  P1 C2 F3 F4 F5 H6 H7
P11.62741.59081.56841.56842.33172.3317
C21.62742.89842.67912.67911.08011.0801
F31.59082.89842.34322.34323.41653.4165
F41.56842.67912.34322.49563.63642.9236
F51.56842.67912.34322.49562.92363.6364
H62.33171.08013.41653.63642.92361.8735
H72.33171.08013.41652.92363.63641.8735

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 117.475 P1 C2 H7 117.475
C2 P1 F3 128.477 C2 P1 F4 113.916
C2 P1 F5 113.916 F3 P1 F4 95.751
F3 P1 F5 95.751 F4 P1 F5 105.421
H6 C2 H7 120.287
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability