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

using model chemistry: PBEPBEultrafine/3-21G

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
1 3 no D*H 1Σg

Conformer 1 (C2V)

Jump to S1C2 S1C3
Energy calculated at PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-165.394969
Energy at 298.15K 
HF Energy-165.394969
Nuclear repulsion energy48.373546
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 PBEPBEultrafine/3-21G
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 3670 3636 17.36      
2 A1 788 781 18.59      
3 A1 489 485 161.63      
4 A1 269 267 0.78      
5 A2 191i 189i 0.00      
6 B1 289 286 68.80      
7 B2 3668 3635 116.54      
8 B2 1651 1636 196.89      
9 B2 350 347 365.06      

Unscaled Zero Point Vibrational Energy (zpe) 5491.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 5441.7 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 PBEPBEultrafine/3-21G
ABC
18.86517 0.22466 0.22201

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.046
O2 0.000 1.434 0.066
O3 0.000 -1.434 0.066
H4 0.000 2.138 -0.619
H5 0.000 -2.138 -0.619

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43461.43462.23952.2395
O21.43462.86880.98243.6379
O31.43462.86883.63790.9824
H42.23950.98243.63794.2767
H52.23953.63790.98244.2767

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 134.985 Be1 O3 H5 134.985
O2 Be1 O3 178.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.449      
2 O -0.594      
3 O -0.594      
4 H 0.370      
5 H 0.370      


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 -2.577 2.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.879 0.000 0.000
y 0.000 -12.032 0.000
z 0.000 0.000 -14.769
Traceless
 xyz
x -3.478 0.000 0.000
y 0.000 3.792 0.000
z 0.000 0.000 -0.314
Polar
3z2-r2-0.627
x2-y2-4.846
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.577 0.000 0.000
y 0.000 4.043 0.000
z 0.000 0.000 1.886


<r2> (average value of r2) Å2
<r2> 52.005
(<r2>)1/2 7.211

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-165.395333
Energy at 298.15K-165.396621
HF Energy-165.395333
Nuclear repulsion energy48.292399
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 PBEPBEultrafine/3-21G
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 3635 3602 12.97      
2 A 782 775 14.09      
3 A 495 490 129.15      
4 A 271 269 21.15      
5 A 240 238 48.71      
6 B 3635 3602 96.03      
7 B 1641 1626 191.50      
8 B 451 447 394.24      
9 B 265 262 94.93      

Unscaled Zero Point Vibrational Energy (zpe) 5707.4 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 5655.5 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 PBEPBEultrafine/3-21G
ABC
16.17853 0.22386 0.22251

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.061
O2 0.000 1.439 -0.056
O3 0.000 -1.439 -0.056
H4 0.406 2.085 0.567
H5 -0.406 -2.085 0.567

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43871.43872.21522.2152
O21.43872.87730.98513.6012
O31.43872.87733.60120.9851
H42.21520.98513.60124.2482
H52.21523.60120.98514.2482

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 131.193 Be1 O3 H5 131.193
O2 Be1 O3 179.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.442      
2 O -0.589      
3 O -0.589      
4 H 0.368      
5 H 0.368      


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 2.257 2.257
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.041 3.745 0.000
y 3.745 -13.224 0.000
z 0.000 0.000 -15.143
Traceless
 xyz
x -1.858 3.745 0.000
y 3.745 2.368 0.000
z 0.000 0.000 -0.511
Polar
3z2-r2-1.022
x2-y2-2.817
xy3.745
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.714 0.200 0.000
y 0.200 4.007 0.000
z 0.000 0.000 1.871


<r2> (average value of r2) Å2
<r2> 52.093
(<r2>)1/2 7.218

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-165.391616
Energy at 298.15K 
HF Energy-165.391616
Nuclear repulsion energy48.903018
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 PBEPBEultrafine/3-21G
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 3831 3797 0.00      
2 Σg 816 809 0.00      
3 Σu 3828 3794 340.43      
4 Σu 1725 1709 290.20      
5 Πg 266i 263i 0.00      
5 Πg 266i 263i 0.00      
6 Πu 289 287 11.06      
6 Πu 289 287 11.06      
7 Πu 330i 327i 440.02      
7 Πu 330i 327i 440.02      

Unscaled Zero Point Vibrational Energy (zpe) 4794.2 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 4750.6 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 PBEPBEultrafine/3-21G
B
0.22488

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/3-21G

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 1.410
O3 0.000 0.000 -1.410
H4 0.000 0.000 2.379
H5 0.000 0.000 -2.379

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.40951.40952.37872.3787
O21.40952.81910.96923.7882
O31.40952.81913.78820.9692
H42.37870.96923.78824.7574
H52.37873.78820.96924.7574

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 PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.487      
2 O -0.625      
3 O -0.625      
4 H 0.381      
5 H 0.381      


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 -16.647 0.000 0.000
y 0.000 -16.647 0.000
z 0.000 0.000 -5.676
Traceless
 xyz
x -5.486 0.000 0.000
y 0.000 -5.486 0.000
z 0.000 0.000 10.972
Polar
3z2-r221.943
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 1.392 0.000 0.000
y 0.000 1.392 0.000
z 0.000 0.000 4.129


<r2> (average value of r2) Å2
<r2> 51.219
(<r2>)1/2 7.157