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

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-644.334739
Energy at 298.15K-644.340746
HF Energy-644.334739
Nuclear repulsion energy279.477807
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/cc-pVTZ
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 3829 3702 20.93      
2 A 1317 1273 282.53      
3 A 1050 1015 89.87      
4 A 831 803 17.36      
5 A 451 436 16.20      
6 A 312 302 86.97      
7 E 3827 3699 170.97      
7 E 3827 3699 170.97      
8 E 1057 1022 59.62      
8 E 1057 1022 59.58      
9 E 919 888 317.91      
9 E 919 888 317.90      
10 E 453 438 64.23      
10 E 453 438 64.23      
11 E 374 361 42.59      
11 E 374 361 42.60      
12 E 175 170 65.67      
12 E 175 170 65.67      

Unscaled Zero Point Vibrational Energy (zpe) 10700.4 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 10343.0 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/cc-pVTZ
ABC
0.14963 0.14796 0.14796

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

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 1.588
O3 0.000 1.435 -0.592
O4 1.243 -0.717 -0.592
O5 -1.243 -0.717 -0.592
H6 0.503 2.082 -0.085
H7 1.552 -1.477 -0.085
H8 -2.055 -0.605 -0.085

Atom - Atom Distances (Å)
  P1 O2 O3 O4 O5 H6 H7 H8
P11.47181.60011.60011.60012.15192.15192.1519
O21.47182.60992.60992.60992.71872.71872.7187
O31.60012.60992.48522.48520.96393.33822.9398
O41.60012.60992.48522.48522.93980.96393.3382
O51.60012.60992.48522.48523.33822.93980.9639
H62.15192.71870.96392.93983.33823.71083.7108
H72.15192.71873.33820.96392.93983.71083.7108
H82.15192.71872.93983.33820.96393.71083.7108

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 111.712 P1 O4 H7 111.712
P1 O5 H8 111.712 O2 P1 O3 116.273
O2 P1 O4 116.273 O2 P1 O5 116.273
O3 P1 O4 101.894 O3 P1 O5 101.894
O4 P1 O5 101.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.860      
2 O -0.519      
3 O -0.333      
4 O -0.333      
5 O -0.333      
6 H 0.220      
7 H 0.220      
8 H 0.220      


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 -0.411 0.411
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.561 0.000 0.000
y 0.000 -28.561 0.000
z 0.000 0.000 -44.028
Traceless
 xyz
x 7.733 0.000 0.000
y 0.000 7.733 0.000
z 0.000 0.000 -15.467
Polar
3z2-r2-30.933
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 4.957 0.000 0.000
y 0.000 4.956 -0.000
z 0.000 -0.000 4.841


<r2> (average value of r2) Å2
<r2> 113.051
(<r2>)1/2 10.633