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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/TZVP
 hartrees
Energy at 0K-418.428938
Energy at 298.15K-418.433022
HF Energy-418.428938
Nuclear repulsion energy60.891145
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 B3LYPultrafine/TZVP
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' 3812 3673 47.47      
2 A' 2301 2217 125.19      
3 A' 1141 1099 20.26      
4 A' 1086 1046 41.40      
5 A' 900 867 36.95      
6 A' 776 748 152.63      
7 A" 2306 2222 163.05      
8 A" 908 875 16.67      
9 A" 402 387 118.77      

Unscaled Zero Point Vibrational Energy (zpe) 6816.4 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 6566.9 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 B3LYPultrafine/TZVP
ABC
3.64544 0.47186 0.46754

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.108 -0.577 0.000
O2 -0.108 1.105 0.000
H3 0.768 1.506 0.000
H4 0.854 -0.846 1.032
H5 0.854 -0.846 -1.032

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.68222.26001.43651.4365
O21.68220.96342.40812.4081
H32.26000.96342.57052.5705
H41.43652.40812.57052.0642
H51.43652.40812.57052.0642

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 114.607 O2 P1 H4 100.804
O2 P1 H5 100.804 H4 P1 H5 91.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.301      
2 O -0.522      
3 H 0.292      
4 H -0.036      
5 H -0.036      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.239 -0.215 0.000 2.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.485 1.827 0.000
y 1.827 -20.014 0.000
z 0.000 0.000 -20.287
Traceless
 xyz
x -0.334 1.827 0.000
y 1.827 0.372 0.000
z 0.000 0.000 -0.037
Polar
3z2-r2-0.075
x2-y2-0.471
xy1.827
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.899 -0.304 0.000
y -0.304 4.062 0.000
z 0.000 0.000 4.044


<r2> (average value of r2) Å2
<r2> 35.570
(<r2>)1/2 5.964

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3LYPultrafine/TZVP
 hartrees
Energy at 0K-418.429481
Energy at 298.15K-418.433394
HF Energy-418.429481
Nuclear repulsion energy60.799205
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 B3LYPultrafine/TZVP
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' 3841 3700 91.30      
2 A' 2348 2262 97.48      
3 A' 1144 1102 22.55      
4 A' 1123 1082 96.19      
5 A' 897 865 24.18      
6 A' 769 741 115.21      
7 A" 2349 2263 124.07      
8 A" 922 888 1.63      
9 A" 249 240 108.83      

Unscaled Zero Point Vibrational Energy (zpe) 6820.9 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 6571.3 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 B3LYPultrafine/TZVP
ABC
3.66912 0.46942 0.46553

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.040 -0.583 0.000
O2 0.040 1.110 0.000
H3 0.949 1.425 0.000
H4 -0.929 -0.781 1.032
H5 -0.929 -0.781 -1.032

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.69302.20381.42931.4293
O21.69300.96232.36252.3625
H32.20380.96233.07553.0755
H41.42932.36253.07552.0643
H51.42932.36253.07552.0643

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 109.067 O2 P1 H4 97.981
O2 P1 H5 97.981 H4 P1 H5 92.461
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.250      
2 O -0.515      
3 H 0.288      
4 H -0.012      
5 H -0.012      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.826 -0.392 0.000 0.915
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.533 4.063 0.000
y 4.063 -20.618 0.000
z 0.000 0.000 -20.150
Traceless
 xyz
x 0.851 4.063 0.000
y 4.063 -0.777 0.000
z 0.000 0.000 -0.074
Polar
3z2-r2-0.148
x2-y21.085
xy4.063
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.005 0.577 0.000
y 0.577 4.080 0.000
z 0.000 0.000 4.037


<r2> (average value of r2) Å2
<r2> 35.554
(<r2>)1/2 5.963