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

using model chemistry: HSEh1PBE/6-31G(2df,p)

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 HSEh1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-418.175205
Energy at 298.15K-418.179332
HF Energy-418.175205
Nuclear repulsion energy61.915493
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/6-31G(2df,p)
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' 3886 3722 60.33      
2 A' 2326 2227 96.95      
3 A' 1148 1099 3.59      
4 A' 1118 1070 56.00      
5 A' 914 876 24.47      
6 A' 825 790 145.57      
7 A" 2332 2233 140.11      
8 A" 914 875 19.13      
9 A" 425 407 96.88      

Unscaled Zero Point Vibrational Energy (zpe) 6943.6 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 6649.9 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/6-31G(2df,p)
ABC
3.67950 0.49172 0.48679

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.107 -0.562 0.000
O2 -0.107 1.083 0.000
H3 0.771 1.467 0.000
H4 0.850 -0.852 1.025
H5 0.850 -0.852 -1.025

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.64462.21121.43241.4324
O21.64460.95932.39012.3901
H32.21120.95932.53732.5373
H41.43242.39012.53732.0498
H51.43242.39012.53732.0498

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 113.629 O2 P1 H4 101.708
O2 P1 H5 101.708 H4 P1 H5 91.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P -0.013      
2 O -0.415      
3 H 0.322      
4 H 0.053      
5 H 0.053      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.097 0.308 0.000 2.119
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.889 1.375 0.000
y 1.375 -19.172 0.000
z 0.000 0.000 -19.792
Traceless
 xyz
x -0.407 1.375 0.000
y 1.375 0.669 0.000
z 0.000 0.000 -0.262
Polar
3z2-r2-0.524
x2-y2-0.717
xy1.375
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.701 -0.162 0.000
y -0.162 3.984 0.000
z 0.000 0.000 3.821


<r2> (average value of r2) Å2
<r2> 34.380
(<r2>)1/2 5.863

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HSEh1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-418.175778
Energy at 298.15K-418.179747
HF Energy-418.175778
Nuclear repulsion energy61.824124
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/6-31G(2df,p)
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' 3915 3749 107.19      
2 A' 2376 2275 78.42      
3 A' 1164 1115 104.72      
4 A' 1146 1098 24.34      
5 A' 924 884 19.78      
6 A' 823 788 108.26      
7 A" 2378 2277 108.62      
8 A" 941 901 3.05      
9 A" 270 258 85.23      

Unscaled Zero Point Vibrational Energy (zpe) 6967.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 6672.6 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/6-31G(2df,p)
ABC
3.70427 0.48941 0.48489

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.039 -0.568 0.000
O2 0.039 1.087 0.000
H3 0.949 1.389 0.000
H4 -0.928 -0.786 1.024
H5 -0.928 -0.786 -1.024

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.65462.15791.42621.4262
O21.65460.95822.34412.3441
H32.15790.95823.05063.0506
H41.42622.34413.05062.0487
H51.42622.34413.05062.0487

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 108.392 O2 P1 H4 98.818
O2 P1 H5 98.818 H4 P1 H5 91.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P -0.038      
2 O -0.416      
3 H 0.329      
4 H 0.062      
5 H 0.062      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.650 0.185 0.000 0.676
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.033 3.750 0.000
y 3.750 -19.760 0.000
z 0.000 0.000 -19.711
Traceless
 xyz
x 0.702 3.750 0.000
y 3.750 -0.387 0.000
z 0.000 0.000 -0.315
Polar
3z2-r2-0.629
x2-y20.726
xy3.750
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.827 0.506 0.000
y 0.506 3.963 0.000
z 0.000 0.000 3.849


<r2> (average value of r2) Å2
<r2> 34.390
(<r2>)1/2 5.864