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All results from a given calculation for H2POH (Phosphinous acid)

using model chemistry: M06-2X/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS trans 1A1'
1 2 no CS cis 1A1'

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at M06-2X/6-311G**
 hartrees
Energy at 0K-418.343375
Energy at 298.15K-418.347566
HF Energy-418.343375
Nuclear repulsion energy61.645727
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/6-311G**
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' 3911 3911 71.60      
2 A' 2369 2369 107.17      
3 A' 1171 1171 22.07      
4 A' 1114 1114 67.94      
5 A' 928 928 39.99      
6 A' 828 828 164.41      
7 A" 2366 2366 151.64      
8 A" 940 940 29.92      
9 A" 480 480 127.53      

Unscaled Zero Point Vibrational Energy (zpe) 7052.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7052.6 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/6-311G**
ABC
3.71712 0.48473 0.48059

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.106 -0.568 0.000
O2 -0.106 1.089 0.000
H3 0.762 1.498 0.000
H4 0.843 -0.844 1.025
H5 0.843 -0.844 -1.025

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.65702.24151.42401.4240
O21.65700.95992.38492.3849
H32.24150.95992.55822.5582
H41.42402.38492.55822.0501
H51.42402.38492.55822.0501

picture of Phosphinous acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 O2 H3 115.258 O2 P1 H4 101.172
O2 P1 H5 101.172 H4 P1 H5 92.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.410      
2 O -0.613      
3 H 0.302      
4 H -0.050      
5 H -0.050      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.294 -0.094 0.000 2.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.581 1.693 0.000
y 1.693 -19.845 0.000
z 0.000 0.000 -20.161
Traceless
 xyz
x -0.579 1.693 0.000
y 1.693 0.526 0.000
z 0.000 0.000 0.052
Polar
3z2-r20.105
x2-y2-0.737
xy1.693
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.702 -0.247 0.000
y -0.247 3.740 0.000
z 0.000 0.000 3.776


<r2> (average value of r2) Å2
<r2> 34.973
(<r2>)1/2 5.914

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at M06-2X/6-311G**
 hartrees
Energy at 0K-418.343239
Energy at 298.15K-418.347177
HF Energy-418.343239
Nuclear repulsion energy61.535087
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/6-311G**
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' 3945 3945 111.78      
2 A' 2447 2447 84.93      
3 A' 1170 1170 36.35      
4 A' 1131 1131 106.86      
5 A' 914 914 34.04      
6 A' 820 820 116.66      
7 A" 2442 2442 107.66      
8 A" 946 946 3.72      
9 A" 244 244 116.70      

Unscaled Zero Point Vibrational Energy (zpe) 7029.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7029.9 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/6-311G**
ABC
3.74699 0.48180 0.47816

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.039 -0.573 0.000
O2 0.039 1.094 0.000
H3 0.941 1.418 0.000
H4 -0.917 -0.786 1.025
H5 -0.917 -0.786 -1.025

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.66802.18651.41721.4172
O21.66800.95852.34492.3449
H32.18650.95853.05923.0592
H41.41722.34493.05922.0494
H51.41722.34493.05922.0494

picture of Phosphinous acid state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 O2 H3 109.738 O2 P1 H4 98.610
O2 P1 H5 98.610 H4 P1 H5 92.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.371      
2 O -0.612      
3 H 0.297      
4 H -0.028      
5 H -0.028      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.844 -0.350 0.000 0.914
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.600 4.056 0.000
y 4.056 -20.339 0.000
z 0.000 0.000 -20.026
Traceless
 xyz
x 0.582 4.056 0.000
y 4.056 -0.526 0.000
z 0.000 0.000 -0.056
Polar
3z2-r2-0.112
x2-y20.739
xy4.056
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.818 0.647 0.000
y 0.647 3.671 0.000
z 0.000 0.000 3.807


<r2> (average value of r2) Å2
<r2> 34.948
(<r2>)1/2 5.912