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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-675.263123
Energy at 298.15K-675.267252
HF Energy-674.719662
Nuclear repulsion energy273.673478
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 MP2/3-21G*
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' 3240 3083 14.71      
2 A' 1499 1426 77.23      
3 A' 1251 1190 230.97      
4 A' 1005 956 200.38      
5 A' 879 836 47.96      
6 A' 705 671 175.21      
7 A' 490 466 62.47      
8 A' 408 388 35.46      
9 A' 288 274 0.22      
10 A" 3334 3171 3.80      
11 A" 1100 1047 209.55      
12 A" 884 841 4.97      
13 A" 464 441 1.88      
14 A" 385 366 18.07      
15 A" 168 160 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 8049.7 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 7657.7 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 MP2/3-21G*
ABC
0.15606 0.14262 0.12958

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.027 0.120 0.000
C2 -0.486 1.656 0.000
F3 1.470 -0.372 0.000
F4 -0.486 -0.711 1.238
F5 -0.486 -0.711 -1.238
H6 -0.588 2.204 -0.927
H7 -0.588 2.204 0.927

Atom - Atom Distances (Å)
  P1 C2 F3 F4 F5 H6 H7
P11.60281.57611.56031.56032.34822.3482
C21.60282.81792.67142.67141.08121.0812
F31.57612.81792.33942.33943.42503.4250
F41.56032.67142.33942.47593.63222.9334
F51.56032.67142.33942.47592.93343.6322
H62.34821.08123.42503.63222.93341.8532
H72.34821.08123.42502.93343.63221.8532

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 120.824 P1 C2 H7 120.824
C2 P1 F3 124.855 C2 P1 F4 115.245
C2 P1 F5 115.245 F3 P1 F4 96.468
F3 P1 F5 96.468 F4 P1 F5 105.009
H6 C2 H7 117.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability