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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
1 2 yes C2 1A

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-165.667160
Energy at 298.15K 
HF Energy-165.667160
Nuclear repulsion energy49.589559
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/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 4310 3902 82.75      
2 A1 788 714 12.57      
3 A1 603 546 200.76      
4 A1 306 277 12.73      
5 A2 205i 186i 0.00      
6 B1 364 330 113.77      
7 B2 4307 3900 184.66      
8 B2 1617 1464 404.31      
9 B2 489 443 306.67      

Unscaled Zero Point Vibrational Energy (zpe) 6289.5 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 5695.1 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/6-31G(2df,p)
ABC
19.34562 0.23386 0.23107

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.025
O2 0.000 1.410 0.070
O3 0.000 -1.410 0.070
H4 0.000 2.052 -0.608
H5 0.000 -2.052 -0.608

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.41071.41072.14712.1471
O21.41072.82000.93333.5273
O31.41072.82003.52730.9333
H42.14710.93333.52734.1032
H52.14713.52730.93334.1032

picture of Beryllium hydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 131.617 Be1 O3 H5 131.617
O2 Be1 O3 176.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.168      
2 O -0.422      
3 O -0.422      
4 H 0.338      
5 H 0.338      


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 -2.438 2.438
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.120 0.000 0.000
y 0.000 -14.670 0.000
z 0.000 0.000 -13.850
Traceless
 xyz
x -1.860 0.000 0.000
y 0.000 0.314 0.000
z 0.000 0.000 1.545
Polar
3z2-r23.091
x2-y2-1.449
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.062 0.000 0.000
y 0.000 2.995 0.000
z 0.000 0.000 2.194


<r2> (average value of r2) Å2
<r2> 50.342
(<r2>)1/2 7.095

Conformer 2 (C2)

Jump to S1C1
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-165.667902
Energy at 298.15K-165.669426
HF Energy-165.667902
Nuclear repulsion energy49.574485
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/6-31G(2df,p)
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 4298 3892 38.55      
2 A 783 709 3.88      
3 A 592 536 106.60      
4 A 330 299 63.55      
5 A 192 174 142.58      
6 B 4296 3890 218.59      
7 B 1617 1464 399.47      
8 B 588 532 392.86      
9 B 319 289 93.35      

Unscaled Zero Point Vibrational Energy (zpe) 6507.2 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 5892.3 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 HF/6-31G(2df,p)
ABC
18.22248 0.23271 0.23240

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.022
O2 0.000 1.412 -0.047
O3 0.000 -1.412 -0.047
H4 0.535 2.018 0.421
H5 -0.535 -2.018 0.421

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.41191.41192.13422.1342
O21.41192.82340.93413.5026
O31.41192.82343.50260.9341
H42.13420.93413.50264.1754
H52.13423.50260.93414.1754

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 129.809 Be1 O3 H5 129.809
O2 Be1 O3 177.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.176      
2 O -0.425      
3 O -0.425      
4 H 0.337      
5 H 0.337      


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 1.659 1.659
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.508 4.458 0.000
y 4.458 -15.288 0.000
z 0.000 0.000 -15.051
Traceless
 xyz
x 0.662 4.458 0.000
y 4.458 -0.509 0.000
z 0.000 0.000 -0.153
Polar
3z2-r2-0.306
x2-y20.780
xy4.458
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.154 0.160 0.000
y 0.160 2.975 0.000
z 0.000 0.000 2.135


<r2> (average value of r2) Å2
<r2> 50.331
(<r2>)1/2 7.094