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

using model chemistry: HSEh1PBE/TZVP

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/TZVP
 hartrees
Energy at 0K-418.214814
Energy at 298.15K-418.218912
HF Energy-418.214814
Nuclear repulsion energy61.165696
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3873 3718 57.54      
2 A' 2323 2230 114.14      
3 A' 1136 1091 15.43      
4 A' 1085 1041 43.31      
5 A' 905 869 29.80      
6 A' 800 768 160.67      
7 A" 2331 2238 150.55      
8 A" 915 878 17.77      
9 A" 406 390 118.12      

Unscaled Zero Point Vibrational Energy (zpe) 6886.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 6611.5 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/TZVP
ABC
3.64594 0.47722 0.47274

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.108 -0.573 0.000
O2 -0.108 1.099 0.000
H3 0.768 1.493 0.000
H4 0.855 -0.842 1.032
H5 0.855 -0.842 -1.032

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.67252.24451.43631.4363
O21.67250.96032.39962.3996
H32.24450.96032.55422.5542
H41.43632.39962.55422.0631
H51.43632.39962.55422.0631

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 114.231 O2 P1 H4 100.771
O2 P1 H5 100.771 H4 P1 H5 91.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.238      
2 O -0.506      
3 H 0.296      
4 H -0.014      
5 H -0.014      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.309 -0.147 0.000 2.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.332 1.750 0.000
y 1.750 -19.911 0.000
z 0.000 0.000 -20.136
Traceless
 xyz
x -0.308 1.750 0.000
y 1.750 0.323 0.000
z 0.000 0.000 -0.014
Polar
3z2-r2-0.029
x2-y2-0.421
xy1.750
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.869 -0.312 0.000
y -0.312 3.999 0.000
z 0.000 0.000 4.026


<r2> (average value of r2) Å2
<r2> 35.260
(<r2>)1/2 5.938

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HSEh1PBE/TZVP
 hartrees
Energy at 0K-418.215428
Energy at 298.15K-418.219362
HF Energy-418.215428
Nuclear repulsion energy61.073119
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3897 3742 102.78      
2 A' 2376 2281 87.68      
3 A' 1140 1095 34.23      
4 A' 1125 1080 81.10      
5 A' 898 862 29.58      
6 A' 793 762 114.37      
7 A" 2379 2284 112.79      
8 A" 927 890 1.99      
9 A" 257 247 111.39      

Unscaled Zero Point Vibrational Energy (zpe) 6895.4 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 6620.3 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/TZVP
ABC
3.67400 0.47465 0.47075

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.040 -0.579 0.000
O2 0.040 1.104 0.000
H3 0.948 1.413 0.000
H4 -0.928 -0.781 1.032
H5 -0.928 -0.781 -1.032

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.68292.18931.42931.4293
O21.68290.95942.35672.3567
H32.18930.95943.06563.0656
H41.42932.35673.06562.0642
H51.42932.35673.06562.0642

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 108.796 O2 P1 H4 98.117
O2 P1 H5 98.117 H4 P1 H5 92.459
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.187      
2 O -0.500      
3 H 0.293      
4 H 0.010      
5 H 0.010      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.770 -0.321 0.000 0.834
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.379 4.133 0.000
y 4.133 -20.510 0.000
z 0.000 0.000 -20.001
Traceless
 xyz
x 0.876 4.133 0.000
y 4.133 -0.819 0.000
z 0.000 0.000 -0.057
Polar
3z2-r2-0.114
x2-y21.130
xy4.133
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.967 0.569 0.000
y 0.569 4.022 0.000
z 0.000 0.000 4.020


<r2> (average value of r2) Å2
<r2> 35.250
(<r2>)1/2 5.937