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

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-644.097790
Energy at 298.15K-644.103611
HF Energy-644.097790
Nuclear repulsion energy276.965918
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 B1B95/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 3842 3693 30.11      
2 A 1313 1262 271.72      
3 A 1049 1009 70.25      
4 A 824 792 13.22      
5 A 435 418 24.69      
6 A 298 287 79.02      
7 E 3839 3690 169.71      
7 E 3839 3690 169.68      
8 E 1051 1010 61.57      
8 E 1051 1010 61.58      
9 E 929 893 312.53      
9 E 929 893 312.44      
10 E 436 419 70.16      
10 E 436 419 70.15      
11 E 362 348 42.34      
11 E 362 348 42.35      
12 E 147 141 70.32      
12 E 147 141 70.32      

Unscaled Zero Point Vibrational Energy (zpe) 10644.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 10231.8 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 B1B95/cc-pVDZ
ABC
0.14782 0.14483 0.14483

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.123
O2 0.000 0.000 1.609
O3 0.000 1.446 -0.604
O4 1.252 -0.723 -0.604
O5 -1.252 -0.723 -0.604
H6 0.514 2.067 -0.070
H7 1.533 -1.479 -0.070
H8 -2.047 -0.589 -0.070

Atom - Atom Distances (Å)
  P1 O2 O3 O4 O5 H6 H7 H8
P11.48611.61821.61821.61822.13902.13902.1390
O21.48612.64322.64322.64322.71232.71232.7123
O31.61822.64322.50442.50440.96703.34512.9353
O41.61822.64322.50442.50442.93530.96703.3451
O51.61822.64322.50442.50443.34512.93530.9670
H62.13902.71230.96702.93533.34513.68973.6897
H72.13902.71233.34510.96702.93533.68973.6897
H82.13902.71232.93533.34510.96703.68973.6897

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 109.047 P1 O4 H7 109.047
P1 O5 H8 109.047 O2 P1 O3 116.681
O2 P1 O4 116.681 O2 P1 O5 116.681
O3 P1 O4 101.394 O3 P1 O5 101.394
O4 P1 O5 101.394
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.841      
2 O -0.477      
3 O -0.310      
4 O -0.310      
5 O -0.310      
6 H 0.189      
7 H 0.189      
8 H 0.189      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.254 0.000 0.000
y 0.000 -28.254 0.000
z 0.000 0.000 -43.115
Traceless
 xyz
x 7.430 0.000 0.000
y 0.000 7.430 0.000
z 0.000 0.000 -14.861
Polar
3z2-r2-29.722
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 4.277 0.000 -0.000
y 0.000 4.278 0.000
z -0.000 0.000 4.182


<r2> (average value of r2) Å2
<r2> 114.229
(<r2>)1/2 10.688