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

using model chemistry: LSDA/aug-cc-pVTZ

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 LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-417.123707
Energy at 298.15K-417.127756
HF Energy-417.123707
Nuclear repulsion energy61.485684
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 LSDA/aug-cc-pVTZ
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' 3734 3699 71.18      
2 A' 2245 2224 85.76      
3 A' 1078 1068 4.32      
4 A' 1040 1030 34.57      
5 A' 872 864 4.80      
6 A' 786 779 165.41      
7 A" 2256 2235 93.49      
8 A" 877 869 13.63      
9 A" 390 387 87.83      

Unscaled Zero Point Vibrational Energy (zpe) 6639.1 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 6576.7 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 LSDA/aug-cc-pVTZ
ABC
3.61552 0.48600 0.48023

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.109 -0.567 0.000
O2 -0.109 1.088 0.000
H3 0.775 1.490 0.000
H4 0.867 -0.843 1.026
H5 0.867 -0.843 -1.026

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.65502.23911.44271.4427
O21.65500.97122.39462.3946
H32.23910.97122.55062.5506
H41.44272.39462.55062.0526
H51.44272.39462.55062.0526

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 114.459 O2 P1 H4 101.033
O2 P1 H5 101.033 H4 P1 H5 90.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.166      
2 O -0.439      
3 H 0.166      
4 H 0.054      
5 H 0.054      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.964 0.177 0.000 1.972
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.473 1.739 0.000
y 1.739 -19.907 0.000
z 0.000 0.000 -20.484
Traceless
 xyz
x -0.278 1.739 0.000
y 1.739 0.572 0.000
z 0.000 0.000 -0.294
Polar
3z2-r2-0.588
x2-y2-0.566
xy1.739
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.305 -0.137 0.000
y -0.137 5.384 0.000
z 0.000 0.000 5.039


<r2> (average value of r2) Å2
<r2> 35.089
(<r2>)1/2 5.924

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-417.124269
Energy at 298.15K-417.128179
HF Energy-417.124269
Nuclear repulsion energy61.414421
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 LSDA/aug-cc-pVTZ
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' 3764 3729 126.54      
2 A' 2289 2268 65.94      
3 A' 1096 1086 69.41      
4 A' 1077 1067 25.72      
5 A' 862 854 34.38      
6 A' 793 786 107.37      
7 A" 2295 2274 70.76      
8 A" 896 887 1.65      
9 A" 259 256 83.60      

Unscaled Zero Point Vibrational Energy (zpe) 6666.0 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 6603.3 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 LSDA/aug-cc-pVTZ
ABC
3.63517 0.48421 0.47886

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.040 -0.573 0.000
O2 0.040 1.092 0.000
H3 0.958 1.407 0.000
H4 -0.944 -0.773 1.027
H5 -0.944 -0.773 -1.027

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.66462.18231.43641.4364
O21.66460.97022.34492.3449
H32.18230.97023.06973.0697
H41.43642.34493.06972.0531
H51.43642.34493.06972.0531

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 108.974 O2 P1 H4 97.989
O2 P1 H5 97.989 H4 P1 H5 91.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.136      
2 O -0.434      
3 H 0.180      
4 H 0.059      
5 H 0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.702 0.063 0.000 0.704
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.573 3.769 0.000
y 3.769 -20.586 0.000
z 0.000 0.000 -20.388
Traceless
 xyz
x 0.915 3.769 0.000
y 3.769 -0.606 0.000
z 0.000 0.000 -0.309
Polar
3z2-r2-0.618
x2-y21.013
xy3.769
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.363 0.329 0.000
y 0.329 5.391 0.000
z 0.000 0.000 5.016


<r2> (average value of r2) Å2
<r2> 35.083
(<r2>)1/2 5.923