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

using model chemistry: SVWN/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3 1A
Energy calculated at SVWN/6-31G*
 hartrees
Energy at 0K-641.734947
Energy at 298.15K-641.740691
HF Energy-641.734947
Nuclear repulsion energy278.915898
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 SVWN/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3686 3616 17.20      
2 A 1319 1294 251.67      
3 A 1016 996 105.78      
4 A 827 811 13.02      
5 A 445 436 31.37      
6 A 310 304 101.97      
7 E 3685 3615 150.90      
7 E 3685 3615 150.89      
8 E 1037 1017 86.76      
8 E 1037 1017 86.76      
9 E 927 910 308.31      
9 E 927 910 308.31      
10 E 430 422 74.29      
10 E 430 422 74.28      
11 E 362 355 37.04      
11 E 362 355 37.03      
12 E 135 133 77.91      
12 E 135 132 77.91      

Unscaled Zero Point Vibrational Energy (zpe) 10377.3 cm-1
Scaled (by 0.981) Zero Point Vibrational Energy (zpe) 10180.2 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 SVWN/6-31G*
ABC
0.15000 0.14724 0.14724

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-31G*

Point Group is C3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.117
O2 0.000 0.000 1.597
O3 0.000 1.434 -0.596
O4 1.241 -0.717 -0.596
O5 -1.241 -0.717 -0.596
H6 0.542 2.064 -0.078
H7 1.517 -1.502 -0.078
H8 -2.059 -0.563 -0.078

Atom - Atom Distances (Å)
  P1 O2 O3 O4 O5 H6 H7 H8
P11.47981.60131.60131.60132.14342.14342.1434
O21.47982.62022.62022.62022.71362.71362.7136
O31.60132.62022.48302.48300.97973.34432.9140
O41.60132.62022.48302.48302.91400.97973.3443
O51.60132.62022.48302.48303.34432.91400.9797
H62.14342.71360.97972.91403.34433.69693.6969
H72.14342.71363.34430.97972.91403.69693.6969
H82.14342.71362.91403.34430.97973.69693.6969

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 109.940 P1 O4 H7 109.940
P1 O5 H8 109.940 O2 P1 O3 116.460
O2 P1 O4 116.460 O2 P1 O5 116.460
O3 P1 O4 101.666 O3 P1 O5 101.666
O4 P1 O5 101.666
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.819      
2 O -0.475      
3 O -0.570      
4 O -0.570      
5 O -0.570      
6 H 0.456      
7 H 0.456      
8 H 0.456      


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 0.029 0.029
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.014 0.000 0.000
y 0.000 -28.014 0.000
z 0.000 0.000 -43.616
Traceless
 xyz
x 7.801 0.000 0.000
y 0.000 7.801 0.000
z 0.000 0.000 -15.602
Polar
3z2-r2-31.204
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 4.498 0.000 0.000
y 0.000 4.498 0.000
z 0.000 0.000 4.272


<r2> (average value of r2) Å2
<r2> 112.894
(<r2>)1/2 10.625