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All results from a given calculation for PH3 (Phosphine)

using model chemistry: HF/CEP-121G*

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-121G*
 hartrees
Energy at 0K-8.082646
Energy at 298.15K-8.085664
HF Energy-8.082646
Nuclear repulsion energy6.344136
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-121G*
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 2511 2269 55.02 235.39 0.01 0.02
2 A1 1109 1002 37.48 16.26 0.70 0.82
3 E 2528 2283 116.38 186.13 0.75 0.86
3 E 2528 2283 116.38 186.13 0.75 0.86
4 E 1230 1111 19.05 52.28 0.75 0.86
4 E 1230 1111 19.05 52.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5567.5 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 5029.7 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 HF/CEP-121G*
ABC
4.49255 4.49255 3.82481

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.125
H2 0.000 1.207 -0.625
H3 1.046 -0.604 -0.625
H4 -1.046 -0.604 -0.625

Atom - Atom Distances (Å)
  P1 H2 H3 H4
P11.42121.42121.4212
H21.42122.09122.0912
H31.42122.09122.0912
H41.42122.09122.0912

picture of Phosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 P1 H3 94.733 H2 P1 H4 94.733
H3 P1 H4 94.733
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P -0.090      
2 H 0.030      
3 H 0.030      
4 H 0.030      


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 -0.802 0.802
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.818 0.000 0.000
y 0.000 -13.818 0.000
z 0.000 0.000 -16.504
Traceless
 xyz
x 1.343 0.000 0.000
y 0.000 1.343 0.000
z 0.000 0.000 -2.686
Polar
3z2-r2-5.373
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 3.636 0.000 0.000
y 0.000 3.636 0.000
z 0.000 0.000 3.105


<r2> (average value of r2) Å2
<r2> 14.812
(<r2>)1/2 3.849