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All results from a given calculation for H3PO4 (Phosphoric Acid)

using model chemistry: LSDA/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3 1A
Energy calculated at LSDA/cc-pVDZ
 hartrees
Energy at 0K-641.755983
Energy at 298.15K-641.761568
HF Energy-641.755983
Nuclear repulsion energy275.990847
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 LSDA/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3694 3654 28.92      
2 A 1282 1268 230.19      
3 A 1011 999 65.66      
4 A 804 795 12.10      
5 A 415 411 18.49      
6 A 280 277 74.30      
7 E 3692 3651 156.35      
7 E 3692 3651 156.34      
8 E 1018 1006 53.45      
8 E 1018 1006 53.45      
9 E 907 897 298.25      
9 E 907 897 298.24      
10 E 414 409 55.89      
10 E 414 409 55.90      
11 E 350 346 49.39      
11 E 350 346 49.38      
12 E 119 118 69.49      
12 E 119 118 69.48      

Unscaled Zero Point Vibrational Energy (zpe) 10241.8 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 10129.1 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 LSDA/cc-pVDZ
ABC
0.14747 0.14371 0.14371

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

Point Group is C3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.122
O2 0.000 0.000 1.617
O3 0.000 1.448 -0.610
O4 1.254 -0.724 -0.610
O5 -1.254 -0.724 -0.610
H6 0.504 2.071 -0.045
H7 1.541 -1.472 -0.045
H8 -2.046 -0.599 -0.045

Atom - Atom Distances (Å)
  P1 O2 O3 O4 O5 H6 H7 H8
P11.49571.62201.62201.62202.13802.13802.1380
O21.49572.65632.65632.65632.70322.70322.7032
O31.62202.65632.50762.50760.98053.34972.9482
O41.62202.65632.50762.50762.94820.98053.3497
O51.62202.65632.50762.50763.34972.94820.9805
H62.13802.70320.98052.94823.34973.69193.6919
H72.13802.70323.34970.98052.94823.69193.6919
H82.13802.70322.94823.34970.98053.69193.6919

picture of Phosphoric Acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 O3 H6 107.920 P1 O4 H7 107.920
P1 O5 H8 107.920 O2 P1 O3 116.802
O2 P1 O4 116.802 O2 P1 O5 116.802
O3 P1 O4 101.246 O3 P1 O5 101.246
O4 P1 O5 101.246
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.583      
2 O -0.402      
3 O -0.266      
4 O -0.266      
5 O -0.266      
6 H 0.205      
7 H 0.205      
8 H 0.205      


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 0.137 0.137
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.332 0.000 0.000
y 0.000 -28.332 0.000
z 0.000 0.000 -42.914
Traceless
 xyz
x 7.291 0.000 0.000
y 0.000 7.291 0.000
z 0.000 0.000 -14.582
Polar
3z2-r2-29.164
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 4.545 0.000 -0.000
y 0.000 4.545 0.000
z -0.000 0.000 4.394


<r2> (average value of r2) Å2
<r2> 114.742
(<r2>)1/2 10.712