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

using model chemistry: QCISD/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 QCISD/3-21G
 hartrees
Energy at 0K-675.030127
Energy at 298.15K-675.034008
HF Energy-674.502286
Nuclear repulsion energy265.315025
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/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' 3231 3132 16.54      
2 A' 1468 1422 33.17      
3 A' 1177 1141 197.01      
4 A' 944 915 161.71      
5 A' 804 780 29.80      
6 A' 676 655 178.86      
7 A' 438 425 65.09      
8 A' 339 329 54.25      
9 A' 246 239 0.33      
10 A" 3341 3238 7.31      
11 A" 1065 1032 151.25      
12 A" 918 890 0.25      
13 A" 444 430 0.00      
14 A" 352 341 32.93      
15 A" 176 170 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 7809.2 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 7568.7 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 QCISD/3-21G
ABC
0.14805 0.13514 0.11998

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.030 0.139 0.000
C2 -0.495 1.717 0.000
F3 1.499 -0.429 0.000
F4 -0.495 -0.723 1.288
F5 -0.495 -0.723 -1.288
H6 -0.585 2.245 -0.938
H7 -0.585 2.245 0.938

Atom - Atom Distances (Å)
  P1 C2 F3 F4 F5 H6 H7
P11.64551.63121.61781.61782.37172.3717
C21.64552.92912.75932.75931.08051.0805
F31.63122.92912.39202.39203.51753.5175
F41.61782.75932.39202.57613.71132.9898
F51.61782.75932.39202.57612.98983.7113
H62.37171.08053.51753.71132.98981.8770
H72.37171.08053.51752.98983.71131.8770

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 119.486 P1 C2 H7 119.486
C2 P1 F3 126.741 C2 P1 F4 115.462
C2 P1 F5 115.462 F3 P1 F4 94.819
F3 P1 F5 94.819 F4 P1 F5 105.533
H6 C2 H7 120.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability