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

using model chemistry: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-418.342733
Energy at 298.15K-418.346799
HF Energy-418.342733
Nuclear repulsion energy60.994430
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 BLYP/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' 3669 3649 30.37      
2 A' 2197 2185 113.64      
3 A' 1121 1115 5.65      
4 A' 1099 1093 50.15      
5 A' 881 876 32.12      
6 A' 757 753 115.07      
7 A" 2204 2192 151.69      
8 A" 872 868 14.36      
9 A" 411 409 90.37      

Unscaled Zero Point Vibrational Energy (zpe) 6605.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 6569.1 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 BLYP/6-31G(2df,p)
ABC
3.60211 0.47647 0.47110

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.109 -0.571 0.000
O2 -0.109 1.102 0.000
H3 0.786 1.484 0.000
H4 0.862 -0.870 1.030
H5 0.862 -0.870 -1.030

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.67222.24071.44711.4471
O21.67220.97312.42722.4272
H32.24070.97312.57012.5701
H41.44712.42722.57012.0599
H51.44712.42722.57012.0599

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 113.108 O2 P1 H4 101.938
O2 P1 H5 101.938 H4 P1 H5 90.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P -0.021      
2 O -0.343      
3 H 0.287      
4 H 0.039      
5 H 0.039      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.981 0.275 0.000 2.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.995 1.411 0.000
y 1.411 -19.266 0.000
z 0.000 0.000 -19.968
Traceless
 xyz
x -0.378 1.411 0.000
y 1.411 0.715 0.000
z 0.000 0.000 -0.338
Polar
3z2-r2-0.676
x2-y2-0.729
xy1.411
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.797 -0.143 0.000
y -0.143 4.200 0.000
z 0.000 0.000 3.859


<r2> (average value of r2) Å2
<r2> 35.138
(<r2>)1/2 5.928

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-418.343596
Energy at 298.15K-418.347481
HF Energy-418.343596
Nuclear repulsion energy60.851588
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 BLYP/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' 3709 3688 71.23      
2 A' 2252 2240 92.06      
3 A' 1138 1132 96.69      
4 A' 1123 1117 23.27      
5 A' 899 894 12.18      
6 A' 751 747 92.88      
7 A" 2253 2241 119.20      
8 A" 909 904 1.10      
9 A" 239 237 73.61      

Unscaled Zero Point Vibrational Energy (zpe) 6636.7 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 6600.2 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 BLYP/6-31G(2df,p)
ABC
3.61816 0.47324 0.46809

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.040 -0.578 0.000
O2 0.040 1.108 0.000
H3 0.967 1.399 0.000
H4 -0.944 -0.793 1.029
H5 -0.944 -0.793 -1.029

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.68592.18341.43961.4396
O21.68590.97152.37502.3750
H32.18340.97153.08453.0845
H41.43962.37503.08452.0577
H51.43962.37503.08452.0577

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 107.433 O2 P1 H4 98.597
O2 P1 H5 98.597 H4 P1 H5 91.232
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P -0.048      
2 O -0.345      
3 H 0.292      
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
  0.677 0.145 0.000 0.692
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.137 3.552 0.000
y 3.552 -19.897 0.000
z 0.000 0.000 -19.871
Traceless
 xyz
x 0.747 3.552 0.000
y 3.552 -0.393 0.000
z 0.000 0.000 -0.354
Polar
3z2-r2-0.708
x2-y20.760
xy3.552
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.934 0.546 0.000
y 0.546 4.170 0.000
z 0.000 0.000 3.877


<r2> (average value of r2) Å2
<r2> 35.180
(<r2>)1/2 5.931