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

using model chemistry: M06-2X/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 M06-2X/6-31G
 hartrees
Energy at 0K-643.736967
Energy at 298.15K-643.742226
HF Energy-643.736967
Nuclear repulsion energy265.351185
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 M06-2X/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 3756 3756 1.83      
2 A 1123 1123 204.80      
3 A 1021 1021 108.63      
4 A 737 737 37.80      
5 A 407 407 69.98      
6 A 243 243 283.52      
7 E 3752 3752 210.52      
7 E 3752 3752 210.57      
8 E 1070 1070 68.71      
8 E 1070 1070 68.75      
9 E 834 834 282.40      
9 E 834 834 282.10      
10 E 383 383 110.94      
10 E 383 383 111.22      
11 E 313 313 17.21      
11 E 313 313 17.04      
12 E 107 107 101.71      
12 E 107 107 101.59      

Unscaled Zero Point Vibrational Energy (zpe) 10101.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10101.2 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 M06-2X/6-31G
ABC
0.13728 0.13170 0.13170

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G

Point Group is C3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.147
O2 0.000 0.000 1.718
O3 0.000 1.497 -0.618
O4 1.297 -0.749 -0.618
O5 -1.297 -0.749 -0.618
H6 0.694 2.136 -0.369
H7 1.503 -1.669 -0.369
H8 -2.196 -0.467 -0.369

Atom - Atom Distances (Å)
  P1 O2 O3 O4 O5 H6 H7 H8
P11.57121.68121.68121.68122.30392.30392.3039
O21.57122.77462.77462.77463.06523.06523.0652
O31.68122.77462.59302.59300.97543.51322.9571
O41.68122.77462.59302.59302.95710.97543.5132
O51.68122.77462.59302.59303.51322.95710.9754
H62.30393.06520.97542.95713.51323.88943.8894
H72.30393.06523.51320.97542.95713.88943.8894
H82.30393.06522.95713.51320.97543.88943.8894

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 117.808 P1 O4 H7 117.808
P1 O5 H8 117.808 O2 P1 O3 117.062
O2 P1 O4 117.062 O2 P1 O5 117.062
O3 P1 O4 100.924 O3 P1 O5 100.924
O4 P1 O5 100.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 1.491      
2 O -0.630      
3 O -0.736      
4 O -0.736      
5 O -0.736      
6 H 0.449      
7 H 0.449      
8 H 0.449      


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 -0.674 0.674
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.000 0.000 0.000
y 0.000 -29.000 0.000
z 0.000 0.000 -48.213
Traceless
 xyz
x 9.607 0.000 0.000
y 0.000 9.607 0.000
z 0.000 0.000 -19.213
Polar
3z2-r2-38.426
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 4.511 -0.000 -0.001
y -0.000 4.511 -0.001
z -0.001 -0.001 4.542


<r2> (average value of r2) Å2
<r2> 124.541
(<r2>)1/2 11.160