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

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-675.212468
Energy at 298.15K-675.216669
HF Energy-674.720872
Nuclear repulsion energy275.213328
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 CISD/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' 3279 3064 13.47      
2 A' 1518 1418 91.83      
3 A' 1272 1189 254.78      
4 A' 1032 964 221.98      
5 A' 906 847 46.61      
6 A' 744 695 188.59      
7 A' 502 469 68.65      
8 A' 421 394 37.08      
9 A' 295 276 0.22      
10 A" 3368 3147 3.25      
11 A" 1124 1050 225.59      
12 A" 899 840 6.39      
13 A" 469 438 3.03      
14 A" 393 367 20.17      
15 A" 163 152 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 8192.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 7655.0 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 CISD/3-21G*
ABC
0.15802 0.14392 0.13116

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.027 0.120 0.000
C2 -0.482 1.650 0.000
F3 1.462 -0.367 0.000
F4 -0.482 -0.711 1.228
F5 -0.482 -0.711 -1.228
H6 -0.592 2.195 -0.923
H7 -0.592 2.195 0.923

Atom - Atom Distances (Å)
  P1 C2 F3 F4 F5 H6 H7
P11.59611.56601.55121.55122.34032.3403
C21.59612.80122.66102.66101.07781.0778
F31.56602.80122.32472.32473.41113.4111
F41.55122.66102.32472.45643.61722.9236
F51.55122.66102.32472.45642.92363.6172
H62.34031.07783.41113.61722.92361.8467
H72.34031.07783.41112.92363.61721.8467

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 120.918 P1 C2 H7 120.918
C2 P1 F3 124.714 C2 P1 F4 115.439
C2 P1 F5 115.439 F3 P1 F4 96.450
F3 P1 F5 96.450 F4 P1 F5 104.703
H6 C2 H7 117.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability