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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G*
 hartrees
Energy at 0K-418.194409
Energy at 298.15K-418.198559
HF Energy-418.194409
Nuclear repulsion energy61.597280
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 HSEh1PBE/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' 3846 3691 37.52      
2 A' 2309 2215 139.10      
3 A' 1175 1128 14.07      
4 A' 1130 1084 84.63      
5 A' 921 884 45.62      
6 A' 811 779 167.06      
7 A" 2311 2217 183.15      
8 A" 915 878 27.83      
9 A" 450 432 151.60      

Unscaled Zero Point Vibrational Energy (zpe) 6934.0 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 6653.9 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 HSEh1PBE/6-311G*
ABC
3.69718 0.48471 0.48064

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.107 -0.567 0.000
O2 -0.107 1.087 0.000
H3 0.751 1.518 0.000
H4 0.850 -0.857 1.029
H5 0.850 -0.857 -1.029

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.65372.25391.43441.4344
O21.65370.95972.39822.3982
H32.25390.95972.58952.5895
H41.43442.39822.58952.0572
H51.43442.39822.58952.0572

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 116.664 O2 P1 H4 101.664
O2 P1 H5 101.664 H4 P1 H5 91.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.263      
2 O -0.733      
3 H 0.431      
4 H 0.020      
5 H 0.020      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.392 0.088 0.000 2.394
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.689 1.855 0.000
y 1.855 -19.663 0.000
z 0.000 0.000 -20.293
Traceless
 xyz
x -0.711 1.855 0.000
y 1.855 0.828 0.000
z 0.000 0.000 -0.117
Polar
3z2-r2-0.235
x2-y2-1.026
xy1.855
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.661 -0.318 0.000
y -0.318 3.684 0.000
z 0.000 0.000 3.755


<r2> (average value of r2) Å2
<r2> 35.053
(<r2>)1/2 5.921

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HSEh1PBE/6-311G*
 hartrees
Energy at 0K-418.194350
Energy at 298.15K-418.198312
HF Energy-418.194350
Nuclear repulsion energy61.419953
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 HSEh1PBE/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' 3882 3725 78.32      
2 A' 2372 2276 106.33      
3 A' 1174 1126 64.58      
4 A' 1165 1118 101.82      
5 A' 923 886 22.97      
6 A' 798 766 118.51      
7 A" 2369 2274 132.51      
8 A" 940 902 1.35      
9 A" 269 258 124.57      

Unscaled Zero Point Vibrational Energy (zpe) 6946.2 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 6665.6 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 HSEh1PBE/6-311G*
ABC
3.71851 0.48053 0.47691

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.040 -0.574 0.000
O2 0.040 1.095 0.000
H3 0.937 1.431 0.000
H4 -0.924 -0.788 1.029
H5 -0.924 -0.788 -1.029

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.66872.19711.42591.4259
O21.66870.95842.35222.3522
H32.19710.95843.07403.0740
H41.42592.35223.07402.0577
H51.42592.35223.07402.0577

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 110.581 O2 P1 H4 98.642
O2 P1 H5 98.642 H4 P1 H5 92.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.209      
2 O -0.734      
3 H 0.428      
4 H 0.048      
5 H 0.048      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.925 -0.218 0.000 0.951
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.622 4.246 0.000
y 4.246 -20.241 0.000
z 0.000 0.000 -20.120
Traceless
 xyz
x 0.559 4.246 0.000
y 4.246 -0.371 0.000
z 0.000 0.000 -0.188
Polar
3z2-r2-0.377
x2-y20.620
xy4.246
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.775 0.684 0.000
y 0.684 3.617 0.000
z 0.000 0.000 3.772


<r2> (average value of r2) Å2
<r2> 35.047
(<r2>)1/2 5.920