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

using model chemistry: BLYP/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 BLYP/TZVP
 hartrees
Energy at 0K-644.234916
Energy at 298.15K-644.240615
HF Energy-644.234916
Nuclear repulsion energy273.223276
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 BLYP/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 3665 3656 9.75      
2 A 1225 1222 289.34      
3 A 1023 1021 47.61      
4 A 750 748 22.72      
5 A 419 417 27.58      
6 A 313 313 89.48      
7 E 3664 3655 125.71      
7 E 3664 3655 125.71      
8 E 1025 1022 60.79      
8 E 1025 1022 60.76      
9 E 844 841 307.23      
9 E 844 841 307.19      
10 E 411 410 56.51      
10 E 411 410 56.50      
11 E 345 344 45.74      
11 E 345 344 45.75      
12 E 160 160 67.12      
12 E 160 160 67.11      

Unscaled Zero Point Vibrational Energy (zpe) 10146.6 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 10121.2 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 BLYP/TZVP
ABC
0.14377 0.14091 0.14091

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

Point Group is C3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.128
O2 0.000 0.000 1.632
O3 0.000 1.465 -0.610
O4 1.269 -0.733 -0.610
O5 -1.269 -0.733 -0.610
H6 0.548 2.098 -0.107
H7 1.543 -1.524 -0.107
H8 -2.091 -0.574 -0.107

Atom - Atom Distances (Å)
  P1 O2 O3 O4 O5 H6 H7 H8
P11.50361.64091.64091.64092.18082.18082.1808
O21.50362.67852.67852.67852.77912.77912.7791
O31.64092.67852.53822.53820.97663.40102.9638
O41.64092.67852.53822.53822.96380.97663.4010
O51.64092.67852.53822.53823.40102.96380.9766
H62.18082.77910.97662.96383.40103.75533.7553
H72.18082.77913.40100.97662.96383.75533.7553
H82.18082.77912.96383.40100.97663.75533.7553

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 110.252 P1 O4 H7 110.252
P1 O5 H8 110.252 O2 P1 O3 116.744
O2 P1 O4 116.744 O2 P1 O5 116.744
O3 P1 O4 101.318 O3 P1 O5 101.318
O4 P1 O5 101.318
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.669      
2 O -0.430      
3 O -0.384      
4 O -0.384      
5 O -0.384      
6 H 0.304      
7 H 0.304      
8 H 0.304      


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 -0.056 0.056
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.576 0.000 0.000
y 0.000 -29.576 0.000
z 0.000 0.000 -45.489
Traceless
 xyz
x 7.957 0.000 0.000
y 0.000 7.957 0.000
z 0.000 0.000 -15.913
Polar
3z2-r2-31.826
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 5.277 0.000 0.000
y 0.000 5.277 -0.000
z 0.000 -0.000 5.282


<r2> (average value of r2) Å2
<r2> 117.947
(<r2>)1/2 10.860