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 PH3 (Phosphine)

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-338.636417
Energy at 298.15K-338.639473
HF Energy-338.636417
Nuclear repulsion energy18.046677
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/STO-3G
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 3040 2482 19.08 89.58 0.02 0.04
2 A1 1428 1166 78.00 21.95 0.60 0.75
3 E 3091 2524 37.22 55.01 0.75 0.86
3 E 3091 2524 37.22 55.01 0.75 0.86
4 E 1543 1260 38.99 24.50 0.75 0.86
4 E 1543 1260 38.99 24.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6867.8 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 5607.5 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/STO-3G
ABC
4.72687 4.72687 4.12919

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.124
H2 0.000 1.162 -0.620
H3 1.006 -0.581 -0.620
H4 -1.006 -0.581 -0.620

Atom - Atom Distances (Å)
  P1 H2 H3 H4
P11.37981.37981.3798
H21.37982.01272.0127
H31.37982.01272.0127
H41.37982.01272.0127

picture of Phosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 P1 H3 93.659 H2 P1 H4 93.659
H3 P1 H4 93.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.348      
2 H -0.116      
3 H -0.116      
4 H -0.116      


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 -0.600 0.600
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.322 0.000 0.000
y 0.000 -13.322 0.000
z 0.000 0.000 -14.336
Traceless
 xyz
x 0.507 0.000 0.000
y 0.000 0.507 0.000
z 0.000 0.000 -1.014
Polar
3z2-r2-2.028
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 1.529 0.000 0.000
y 0.000 1.529 0.000
z 0.000 0.000 0.888


<r2> (average value of r2) Å2
<r2> 13.967
(<r2>)1/2 3.737