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

using model chemistry: B97D3/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 B97D3/TZVP
 hartrees
Energy at 0K-418.373758
Energy at 298.15K-418.377805
HF Energy-418.373758
Nuclear repulsion energy60.545187
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 B97D3/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' 3738 3684 36.06      
2 A' 2234 2202 136.89      
3 A' 1114 1098 19.70      
4 A' 1072 1057 35.59      
5 A' 885 872 37.10      
6 A' 739 728 137.60      
7 A" 2242 2210 170.66      
8 A" 883 871 13.58      
9 A" 395 389 112.70      

Unscaled Zero Point Vibrational Energy (zpe) 6650.7 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 6554.9 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 B97D3/TZVP
ABC
3.59292 0.46696 0.46199

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.109 -0.580 0.000
O2 -0.109 1.113 0.000
H3 0.779 1.496 0.000
H4 0.865 -0.852 1.033
H5 0.865 -0.852 -1.033

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.69292.25781.44581.4458
O21.69290.96712.42452.4245
H32.25780.96712.56692.5669
H41.44582.42452.56692.0664
H51.44582.42452.56692.0664

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 113.329 O2 P1 H4 100.857
O2 P1 H5 100.857 H4 P1 H5 91.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.260      
2 O -0.498      
3 H 0.288      
4 H -0.025      
5 H -0.025      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.206 -0.170 0.000 2.213
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.293 1.805 0.000
y 1.805 -19.934 0.000
z 0.000 0.000 -20.216
Traceless
 xyz
x -0.218 1.805 0.000
y 1.805 0.321 0.000
z 0.000 0.000 -0.103
Polar
3z2-r2-0.205
x2-y2-0.359
xy1.805
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.008 -0.324 0.000
y -0.324 4.199 0.000
z 0.000 0.000 4.104


<r2> (average value of r2) Å2
<r2> 35.740
(<r2>)1/2 5.978

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-418.374476
Energy at 298.15K-418.378353
HF Energy-418.374476
Nuclear repulsion energy60.437769
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 B97D3/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' 3769 3715 76.99      
2 A' 2286 2253 107.09      
3 A' 1119 1103 39.04      
4 A' 1112 1096 70.19      
5 A' 881 868 17.75      
6 A' 732 721 107.85      
7 A" 2288 2255 131.41      
8 A" 902 889 0.76      
9 A" 243 239 99.76      

Unscaled Zero Point Vibrational Energy (zpe) 6665.2 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 6569.2 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 B97D3/TZVP
ABC
3.61721 0.46409 0.45959

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.040 -0.586 0.000
O2 0.040 1.119 0.000
H3 0.960 1.412 0.000
H4 -0.940 -0.783 1.033
H5 -0.940 -0.783 -1.033

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.70512.20031.43761.4376
O21.70510.96592.37612.3761
H32.20030.96593.08203.0820
H41.43762.37613.08202.0667
H51.43762.37613.08202.0667

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 107.690 O2 P1 H4 97.878
O2 P1 H5 97.878 H4 P1 H5 91.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.209      
2 O -0.492      
3 H 0.285      
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
  0.800 -0.347 0.000 0.872
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.343 3.954 0.000
y 3.954 -20.540 0.000
z 0.000 0.000 -20.073
Traceless
 xyz
x 0.963 3.954 0.000
y 3.954 -0.832 0.000
z 0.000 0.000 -0.131
Polar
3z2-r2-0.263
x2-y21.197
xy3.954
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.108 0.580 0.000
y 0.580 4.218 0.000
z 0.000 0.000 4.090


<r2> (average value of r2) Å2
<r2> 35.736
(<r2>)1/2 5.978