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All results from a given calculation for Be(OH)2 (Beryllium hydroxide)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 no C2 1A
1 3 yes D*H 1Σg

Conformer 1 (C2V)

Jump to S1C2 S1C3
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-165.648697
Energy at 298.15K 
HF Energy-165.648697
Nuclear repulsion energy49.254248
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/LANL2DZ
Rotational Constants (cm-1) from geometry optimized at HF/LANL2DZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-165.648700
Energy at 298.15K-165.649706
HF Energy-165.648700
Nuclear repulsion energy49.250219
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/LANL2DZ
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 4385 3946 0.00      
2 A 796 716 0.00      
3 A 439 395 246.13      
4 A 236 212 534.13      
5 A 223 200 0.00      
6 B 4384 3945 471.99      
7 B 1664 1498 504.23      
8 B 335 301 26.52      
9 B 235 211 499.26      

Unscaled Zero Point Vibrational Energy (zpe) 6347.1 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 5711.7 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/LANL2DZ
B
0.22549

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.001
O2 0.000 1.411 -0.000
O3 0.000 -1.411 -0.000
H4 0.001 2.344 0.000
H5 -0.001 -2.344 0.000

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.41091.41092.34432.3443
O21.41092.82190.93333.7552
O31.41092.82193.75520.9333
H42.34430.93333.75524.6885
H52.34433.75520.93334.6885

picture of Beryllium hydroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 179.904 Be1 O3 H5 179.904
O2 Be1 O3 179.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.854      
2 O -0.867      
3 O -0.867      
4 H 0.441      
5 H 0.441      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.006 0.006
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.725 0.016 0.000
y 0.016 -8.964 0.000
z 0.000 0.000 -16.725
Traceless
 xyz
x -3.880 0.016 0.000
y 0.016 7.760 0.000
z 0.000 0.000 -3.880
Polar
3z2-r2-7.760
x2-y2-7.760
xy0.016
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.157 0.000 0.000
y 0.000 3.098 0.000
z 0.000 0.000 1.157


<r2> (average value of r2) Å2
<r2> 51.674
(<r2>)1/2 7.188

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-165.648700
Energy at 298.15K-165.649738
HF Energy-165.648700
Nuclear repulsion energy49.247311
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/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 4384 3945 0.00      
2 Σg 795 716 0.00      
3 Σu 4383 3944 472.01      
4 Σu 1664 1497 504.27      
5 Πg 225 203 0.00      
5 Πg 225 203 0.00      
6 Πu 439 395 246.37      
6 Πu 439 395 246.37      
7 Πu 238 214 533.87      
7 Πu 238 214 533.87      

Unscaled Zero Point Vibrational Energy (zpe) 6514.7 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 5862.6 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/LANL2DZ
B
0.22546

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.000
O2 0.000 0.000 1.411
O3 0.000 0.000 -1.411
H4 0.000 0.000 2.344
H5 0.000 0.000 -2.344

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.41101.41102.34442.3444
O21.41102.82200.93343.7554
O31.41102.82203.75540.9334
H42.34440.93343.75544.6888
H52.34443.75540.93344.6888

picture of Beryllium hydroxide state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 180.000 Be1 O3 H5 180.000
O2 Be1 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.854      
2 O -0.867      
3 O -0.867      
4 H 0.441      
5 H 0.441      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.725 0.000 0.000
y 0.000 -16.725 0.000
z 0.000 0.000 -8.964
Traceless
 xyz
x -3.881 0.000 0.000
y 0.000 -3.881 0.000
z 0.000 0.000 7.761
Polar
3z2-r215.522
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.157 0.000 0.000
y 0.000 1.157 0.000
z 0.000 0.000 3.098


<r2> (average value of r2) Å2
<r2> 51.679
(<r2>)1/2 7.189