return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for PH4 (Phosphoranyl radical)

using model chemistry: HF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-342.945890
Energy at 298.15K-342.950379
HF Energy-342.945890
Nuclear repulsion energy23.275606
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 HF/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2614 2364 34.96 152.17 0.13 0.24
2 A1 1837 1661 13.77 441.93 0.30 0.47
3 A1 1083 980 0.18 40.16 0.49 0.66
4 A1 1013 916 32.12 8.13 0.11 0.20
5 A2 1305 1180 0.00 68.89 0.75 0.86
6 B1 2625 2374 80.81 122.46 0.75 0.86
7 B1 920 831 34.84 0.15 0.75 0.86
8 B2 1404 1269 304.07 5.46 0.75 0.86
9 B2 1144 1035 601.23 33.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6973.3 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 6305.2 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 HF/6-31+G**
ABC
4.31256 2.74559 2.43597

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.078
H2 0.000 1.507 0.223
H3 0.000 -1.507 0.223
H4 1.079 0.000 -0.809
H5 -1.079 0.000 -0.809

Atom - Atom Distances (Å)
  P1 H2 H3 H4 H5
P11.51361.51361.39651.3965
H21.51363.01332.12072.1207
H31.51363.01332.12072.1207
H41.39652.12072.12072.1571
H51.39652.12072.12072.1571

picture of Phosphoranyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 P1 H3 169.056 H2 P1 H4 93.473
H2 P1 H5 93.473 H3 P1 H4 93.473
H3 P1 H5 93.473 H4 P1 H5 101.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.308      
2 H -0.113      
3 H -0.113      
4 H -0.041      
5 H -0.041      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.433 0.433
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.583 0.000 0.000
y 0.000 -19.027 0.000
z 0.000 0.000 -17.124
Traceless
 xyz
x 2.493 0.000 0.000
y 0.000 -2.674 0.000
z 0.000 0.000 0.181
Polar
3z2-r20.362
x2-y23.444
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.246 0.000 0.000
y 0.000 5.664 0.000
z 0.000 0.000 3.051


<r2> (average value of r2) Å2
<r2> 19.137
(<r2>)1/2 4.375