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

using model chemistry: HSEh1PBE/cc-pV(T+d)Z

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 HSEh1PBE/cc-pV(T+d)Z
 hartrees
Energy at 0K-418.235034
Energy at 298.15K-418.239159
HF Energy-418.235034
Nuclear repulsion energy61.950952
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/cc-pV(T+d)Z
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' 3874 3874 65.46      
2 A' 2325 2325 99.11      
3 A' 1140 1140 8.62      
4 A' 1103 1103 45.64      
5 A' 913 913 17.74      
6 A' 821 821 165.21      
7 A" 2329 2329 134.50      
8 A" 918 918 18.34      
9 A" 419 419 95.67      

Unscaled Zero Point Vibrational Energy (zpe) 6920.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6920.2 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 HSEh1PBE/cc-pV(T+d)Z
ABC
3.69620 0.49192 0.48705

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.107 -0.563 0.000
O2 -0.107 1.082 0.000
H3 0.766 1.479 0.000
H4 0.850 -0.847 1.023
H5 0.850 -0.847 -1.023

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.64402.22021.42911.4291
O21.64400.95902.38312.3831
H32.22020.95902.54192.5419
H41.42912.38312.54192.0459
H51.42912.38312.54192.0459

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 114.481 O2 P1 H4 101.464
O2 P1 H5 101.464 H4 P1 H5 91.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.190      
2 O -0.379      
3 H 0.211      
4 H -0.011      
5 H -0.011      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.984 0.226 0.000 1.997
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.184 1.578 0.000
y 1.578 -19.449 0.000
z 0.000 0.000 -20.071
Traceless
 xyz
x -0.424 1.578 0.000
y 1.578 0.679 0.000
z 0.000 0.000 -0.255
Polar
3z2-r2-0.509
x2-y2-0.736
xy1.578
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.238 -0.223 0.000
y -0.223 4.315 0.000
z 0.000 0.000 4.260


<r2> (average value of r2) Å2
<r2> 34.541
(<r2>)1/2 5.877

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HSEh1PBE/cc-pV(T+d)Z
 hartrees
Energy at 0K-418.235003
Energy at 298.15K-418.238976
HF Energy-418.235003
Nuclear repulsion energy61.860413
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/cc-pV(T+d)Z
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' 3902 3902 115.09      
2 A' 2369 2369 79.93      
3 A' 1149 1149 70.94      
4 A' 1139 1139 45.28      
5 A' 912 912 24.78      
6 A' 819 819 117.44      
7 A" 2370 2370 106.79      
8 A" 933 933 2.69      
9 A" 273 273 84.77      

Unscaled Zero Point Vibrational Energy (zpe) 6932.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6932.8 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/cc-pV(T+d)Z
ABC
3.72172 0.48954 0.48525

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.039 -0.568 0.000
O2 0.039 1.086 0.000
H3 0.944 1.400 0.000
H4 -0.925 -0.784 1.024
H5 -0.925 -0.784 -1.024

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.65382.16611.42321.4232
O21.65380.95792.33982.3398
H32.16610.95793.05183.0518
H41.42322.33983.05182.0476
H51.42322.33983.05182.0476

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 109.149 O2 P1 H4 98.727
O2 P1 H5 98.727 H4 P1 H5 92.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.161      
2 O -0.377      
3 H 0.215      
4 H 0.000      
5 H 0.000      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.743 0.080 0.000 0.747
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.330 3.714 0.000
y 3.714 -20.006 0.000
z 0.000 0.000 -19.943
Traceless
 xyz
x 0.645 3.714 0.000
y 3.714 -0.370 0.000
z 0.000 0.000 -0.275
Polar
3z2-r2-0.549
x2-y20.677
xy3.714
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.335 0.504 0.000
y 0.504 4.270 0.000
z 0.000 0.000 4.250


<r2> (average value of r2) Å2
<r2> 34.537
(<r2>)1/2 5.877