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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

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

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-418.306722
Energy at 298.15K-418.310803
HF Energy-418.306722
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3655 3584 24.60      
2 A' 2253 2209 176.77      
3 A' 1151 1129 8.98      
4 A' 1126 1104 69.66      
5 A' 896 878 53.54      
6 A' 761 746 119.57      
7 A" 2262 2217 230.95      
8 A" 871 854 16.23      
9 A" 426 418 116.61      

Unscaled Zero Point Vibrational Energy (zpe) 6700.9 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 6569.6 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 B97D3/6-31G*
ABC
3.60549 0.47218 0.46701

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.109 -0.573 0.000
O2 -0.109 1.108 0.000
H3 0.790 1.484 0.000
H4 0.859 -0.872 1.030
H5 0.859 -0.872 -1.030

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.68112.24501.44481.4448
O21.68110.97432.43242.4324
H32.24500.97432.57192.5719
H41.44482.43242.57192.0609
H51.44482.43242.57192.0609

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 114.562 O2 P1 H4 102.823
O2 P1 H5 102.823 H4 P1 H5 91.526
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.311      
2 O -0.670      
3 H 0.408      
4 H -0.025      
5 H -0.025      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.280 0.056 0.000 2.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.024 1.575 0.000
y 1.575 -19.395 0.000
z 0.000 0.000 -19.929
Traceless
 xyz
x -0.363 1.575 0.000
y 1.575 0.582 0.000
z 0.000 0.000 -0.219
Polar
3z2-r2-0.438
x2-y2-0.630
xy1.575
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.338 -0.307 0.000
y -0.307 3.787 0.000
z 0.000 0.000 3.530


<r2> (average value of r2) Å2
<r2> 35.321
(<r2>)1/2 5.943

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-418.308091
Energy at 298.15K-418.311971
HF Energy-418.308091
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3700 3627 64.43      
2 A' 2312 2267 142.14      
3 A' 1162 1139 129.04      
4 A' 1151 1129 28.60      
5 A' 900 883 16.68      
6 A' 752 737 94.17      
7 A" 2314 2269 177.90      
8 A" 905 887 0.45      
9 A" 239 234 90.22      

Unscaled Zero Point Vibrational Energy (zpe) 6717.9 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 6586.2 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 B97D3/6-31G*
ABC
3.62934 0.46915 0.46434

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.039 -0.581 0.000
O2 0.039 1.114 0.000
H3 0.970 1.395 0.000
H4 -0.937 -0.798 1.029
H5 -0.937 -0.798 -1.029

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.69452.18381.43561.4356
O21.69450.97242.38132.3813
H32.18380.97243.08373.0837
H41.43562.38133.08372.0590
H51.43562.38133.08372.0590

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 109.853 O2 P1 H4 97.664
O2 P1 H5 97.664 H4 P1 H5 91.814
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.271      
2 O -0.672      
3 H 0.412      
4 H -0.005      
5 H -0.005      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.747 -0.122 0.000 0.757
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.064 3.894 0.000
y 3.894 -20.049 0.000
z 0.000 0.000 -19.802
Traceless
 xyz
x 0.861 3.894 0.000
y 3.894 -0.616 0.000
z 0.000 0.000 -0.246
Polar
3z2-r2-0.491
x2-y20.985
xy3.894
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.480 0.685 0.000
y 0.685 3.764 0.000
z 0.000 0.000 3.535


<r2> (average value of r2) Å2
<r2> 35.323
(<r2>)1/2 5.943