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

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3 1A
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-644.293460
Energy at 298.15K-644.299332
HF Energy-644.293460
Nuclear repulsion energy276.950702
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 B3LYP/TZVP
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 3813 3681 17.59      
2 A 1285 1240 322.14      
3 A 1041 1005 71.59      
4 A 811 783 20.72      
5 A 440 425 27.91      
6 A 310 299 98.36      
7 E 3811 3679 166.91      
7 E 3811 3679 166.91      
8 E 1044 1008 65.15      
8 E 1044 1008 65.12      
9 E 903 872 336.67      
9 E 903 872 336.65      
10 E 437 422 76.84      
10 E 437 422 76.83      
11 E 361 349 45.79      
11 E 361 349 45.79      
12 E 163 157 74.21      
12 E 163 157 74.19      

Unscaled Zero Point Vibrational Energy (zpe) 10568.5 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 10202.8 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 B3LYP/TZVP
ABC
0.14707 0.14512 0.14512

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.120
O2 0.000 0.000 1.606
O3 0.000 1.448 -0.597
O4 1.254 -0.724 -0.597
O5 -1.254 -0.724 -0.597
H6 0.530 2.087 -0.102
H7 1.542 -1.502 -0.102
H8 -2.072 -0.585 -0.102

Atom - Atom Distances (Å)
  P1 O2 O3 O4 O5 H6 H7 H8
P11.48601.61601.61601.61602.16432.16432.1643
O21.48602.63652.63652.63652.74822.74822.7482
O31.61602.63652.50812.50810.96623.36552.9445
O41.61602.63652.50812.50812.94450.96623.3655
O51.61602.63652.50812.50813.36552.94450.9662
H62.16432.74820.96622.94453.36553.72893.7289
H72.16432.74823.36550.96622.94453.72893.7289
H82.16432.74822.94453.36550.96623.72893.7289

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 111.397 P1 O4 H7 111.397
P1 O5 H8 111.397 O2 P1 O3 116.352
O2 P1 O4 116.352 O2 P1 O5 116.352
O3 P1 O4 101.797 O3 P1 O5 101.797
O4 P1 O5 101.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.740      
2 O -0.469      
3 O -0.404      
4 O -0.404      
5 O -0.404      
6 H 0.314      
7 H 0.314      
8 H 0.314      


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 -0.146 0.146
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.098 0.000 0.000
y 0.000 -29.098 0.000
z 0.000 0.000 -45.479
Traceless
 xyz
x 8.190 0.000 0.000
y 0.000 8.190 0.000
z 0.000 0.000 -16.381
Polar
3z2-r2-32.761
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 4.866 0.000 0.000
y 0.000 4.866 -0.000
z 0.000 -0.000 4.894


<r2> (average value of r2) Å2
<r2> 115.255
(<r2>)1/2 10.736