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All results from a given calculation for PH3 (Phosphine)

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-8.030909
Energy at 298.15K-8.033920
HF Energy-8.030909
Nuclear repulsion energy6.274275
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/CEP-31G
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 2397 2160 63.53      
2 A1 1070 964 37.93      
3 E 2442 2201 224.43      
3 E 2442 2201 224.43      
4 E 1229 1108 29.60      
4 E 1229 1108 29.60      

Unscaled Zero Point Vibrational Energy (zpe) 5404.2 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 4871.3 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/CEP-31G
ABC
4.46090 4.46090 3.66057

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.275
H2 0.000 1.234 -0.458
H3 1.069 -0.617 -0.458
H4 -1.069 -0.617 -0.458

Atom - Atom Distances (Å)
  P1 H2 H3 H4
P11.43501.43501.4350
H21.43502.13762.1376
H31.43502.13762.1376
H41.43502.13762.1376

picture of Phosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 P1 H3 96.290 H2 P1 H4 96.290
H3 P1 H4 96.290
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.132      
2 H -0.044      
3 H -0.044      
4 H -0.044      


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 -1.725 1.725
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.967 0.000 0.000
y 0.000 -13.967 0.000
z 0.000 0.000 -17.636
Traceless
 xyz
x 1.835 0.000 0.000
y 0.000 1.835 0.000
z 0.000 0.000 -3.669
Polar
3z2-r2-7.338
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.064 0.000 0.000
y 0.000 3.064 0.000
z 0.000 0.000 1.724


<r2> (average value of r2) Å2
<r2> 15.062
(<r2>)1/2 3.881