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

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

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

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-417.354597
Energy at 298.15K-417.358842
HF Energy-417.354597
Nuclear repulsion energy62.451107
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 HF/6-311G*
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' 4174 3775 72.71      
2 A' 2500 2261 149.40      
3 A' 1279 1157 26.54      
4 A' 1225 1107 104.52      
5 A' 1003 908 80.83      
6 A' 889 804 195.99      
7 A" 2483 2245 222.61      
8 A" 1011 914 42.47      
9 A" 470 425 168.60      

Unscaled Zero Point Vibrational Energy (zpe) 7516.3 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 6797.7 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 HF/6-311G*
ABC
3.82545 0.49606 0.49403

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.103 -0.561 0.000
O2 -0.103 1.072 0.000
H3 0.725 1.516 0.000
H4 0.824 -0.837 1.029
H5 0.824 -0.837 -1.029

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.63282.23571.41191.4119
O21.63280.93952.35802.3580
H32.23570.93952.56962.5696
H41.41192.35802.56962.0576
H51.41192.35802.56962.0576

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 118.201 O2 P1 H4 101.267
O2 P1 H5 101.267 H4 P1 H5 93.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.425      
2 O -0.840      
3 H 0.458      
4 H -0.021      
5 H -0.021      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.398 -0.029 0.000 2.398
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.934 1.842 0.000
y 1.842 -19.861 0.000
z 0.000 0.000 -20.245
Traceless
 xyz
x -0.881 1.842 0.000
y 1.842 0.729 0.000
z 0.000 0.000 0.152
Polar
3z2-r20.304
x2-y2-1.073
xy1.842
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.323 -0.297 0.000
y -0.297 3.322 0.000
z 0.000 0.000 3.632


<r2> (average value of r2) Å2
<r2> 34.561
(<r2>)1/2 5.879

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-417.353332
Energy at 298.15K-417.357396
HF Energy-417.353332
Nuclear repulsion energy62.334710
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 HF/6-311G*
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' 4199 3797 110.01      
2 A' 2550 2306 120.24      
3 A' 1276 1154 39.37      
4 A' 1239 1120 199.25      
5 A' 1003 907 34.27      
6 A' 874 791 149.36      
7 A" 2533 2290 164.69      
8 A" 1015 918 6.98      
9 A" 294 266 145.04      

Unscaled Zero Point Vibrational Energy (zpe) 7490.7 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 6774.6 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 HF/6-311G*
ABC
3.87927 0.49234 0.49134

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.038 -0.566 0.000
O2 0.038 1.077 0.000
H3 0.899 1.452 0.000
H4 -0.889 -0.793 1.030
H5 -0.889 -0.793 -1.030

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.64262.19301.40451.4045
O21.64260.93832.32762.3276
H32.19300.93833.04873.0487
H41.40452.32763.04872.0598
H51.40452.32763.04872.0598

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 113.528 O2 P1 H4 99.319
O2 P1 H5 99.319 H4 P1 H5 94.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.383      
2 O -0.842      
3 H 0.458      
4 H 0.001      
5 H 0.001      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.969 -0.317 0.000 1.019
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.992 4.412 0.000
y 4.412 -20.210 0.000
z 0.000 0.000 -20.091
Traceless
 xyz
x 0.159 4.412 0.000
y 4.412 -0.168 0.000
z 0.000 0.000 0.010
Polar
3z2-r20.019
x2-y20.218
xy4.412
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.429 0.694 0.000
y 0.694 3.245 0.000
z 0.000 0.000 3.666


<r2> (average value of r2) Å2
<r2> 34.540
(<r2>)1/2 5.877