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: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-343.665057
Energy at 298.15K-343.669473
HF Energy-343.665057
Nuclear repulsion energy23.155262
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 B1B95/6-31G(2df,p)
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 2469 2364 13.38      
2 A1 1810 1734 5.59      
3 A1 995 953 0.93      
4 A1 885 847 11.97      
5 A2 1202 1151 0.00      
6 B1 2485 2380 37.06      
7 B1 828 793 12.00      
8 B2 1495 1432 343.50      
9 B2 1117 1070 102.93      

Unscaled Zero Point Vibrational Energy (zpe) 6643.0 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 6362.0 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 B1B95/6-31G(2df,p)
ABC
4.28525 2.70244 2.42297

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.086
H2 0.000 1.516 0.177
H3 0.000 -1.516 0.177
H4 1.074 0.000 -0.824
H5 -1.074 0.000 -0.824

Atom - Atom Distances (Å)
  P1 H2 H3 H4 H5
P11.51841.51841.40791.4079
H21.51843.03142.11022.1102
H31.51843.03142.11022.1102
H41.40792.11022.11022.1488
H51.40792.11022.11022.1488

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 173.144 H2 P1 H4 92.215
H2 P1 H5 92.215 H3 P1 H4 92.215
H3 P1 H5 92.215 H4 P1 H5 99.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P -0.267      
2 H 0.024      
3 H 0.024      
4 H 0.110      
5 H 0.110      


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 -0.556 0.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.221 0.000 0.000
y 0.000 -17.318 0.000
z 0.000 0.000 -16.667
Traceless
 xyz
x 1.772 0.000 0.000
y 0.000 -1.374 0.000
z 0.000 0.000 -0.397
Polar
3z2-r2-0.794
x2-y22.097
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.434 0.000 0.000
y 0.000 4.956 0.000
z 0.000 0.000 3.215


<r2> (average value of r2) Å2
<r2> 18.679
(<r2>)1/2 4.322