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

using model chemistry: B1B95/aug-cc-pVDZ

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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-418.392205
Energy at 298.15K-418.396274
HF Energy-418.392205
Nuclear repulsion energy60.729595
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 B1B95/aug-cc-pVDZ
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' 3878 3715 65.99      
2 A' 2335 2237 95.41      
3 A' 1123 1076 3.46      
4 A' 1093 1047 39.48      
5 A' 896 859 23.50      
6 A' 789 755 141.61      
7 A" 2346 2247 113.46      
8 A" 900 862 14.39      
9 A" 384 368 85.08      

Unscaled Zero Point Vibrational Energy (zpe) 6871.7 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 6582.4 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 B1B95/aug-cc-pVDZ
ABC
3.62065 0.46914 0.46435

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.108 -0.580 0.000
O2 -0.108 1.111 0.000
H3 0.775 1.489 0.000
H4 0.860 -0.835 1.031
H5 0.860 -0.835 -1.031

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.69072.24951.43741.4374
O21.69070.96112.40562.4056
H32.24950.96112.54362.5436
H41.43742.40562.54362.0619
H51.43742.40562.54362.0619

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 113.159 O2 P1 H4 100.223
O2 P1 H5 100.223 H4 P1 H5 91.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.014      
2 O -0.481      
3 H 0.076      
4 H 0.196      
5 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.962 -0.117 0.000 1.966
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.274 1.664 0.000
y 1.664 -19.975 0.000
z 0.000 0.000 -20.268
Traceless
 xyz
x -0.153 1.664 0.000
y 1.664 0.297 0.000
z 0.000 0.000 -0.144
Polar
3z2-r2-0.287
x2-y2-0.300
xy1.664
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.900 -0.114 0.000
y -0.114 5.125 0.000
z 0.000 0.000 4.746


<r2> (average value of r2) Å2
<r2> 35.602
(<r2>)1/2 5.967

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-418.392754
Energy at 298.15K-418.396675
HF Energy-418.392754
Nuclear repulsion energy60.677246
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 B1B95/aug-cc-pVDZ
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' 3894 3730 105.52      
2 A' 2382 2282 75.99      
3 A' 1138 1090 90.47      
4 A' 1122 1075 17.66      
5 A' 895 857 23.99      
6 A' 788 755 103.15      
7 A" 2390 2290 89.23      
8 A" 918 880 2.60      
9 A" 250 239 85.24      

Unscaled Zero Point Vibrational Energy (zpe) 6888.6 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 6598.6 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 B1B95/aug-cc-pVDZ
ABC
3.64615 0.46754 0.46329

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.040 -0.585 0.000
O2 0.040 1.113 0.000
H3 0.951 1.418 0.000
H4 -0.935 -0.771 1.032
H5 -0.935 -0.771 -1.032

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.69862.20111.43171.4317
O21.69860.96052.35912.3591
H32.20110.96053.06823.0682
H41.43172.35913.06822.0639
H51.43172.35913.06822.0639

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 108.532 O2 P1 H4 97.446
O2 P1 H5 97.446 H4 P1 H5 92.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P -0.012      
2 O -0.519      
3 H 0.102      
4 H 0.215      
5 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.679 -0.205 0.000 0.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.455 3.736 0.000
y 3.736 -20.573 0.000
z 0.000 0.000 -20.156
Traceless
 xyz
x 0.909 3.736 0.000
y 3.736 -0.768 0.000
z 0.000 0.000 -0.142
Polar
3z2-r2-0.283
x2-y21.118
xy3.736
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.971 0.326 0.000
y 0.326 5.173 0.000
z 0.000 0.000 4.713


<r2> (average value of r2) Å2
<r2> 35.603
(<r2>)1/2 5.967