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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-165.602257
Energy at 298.15K 
HF Energy-165.602257
Nuclear repulsion energy48.795162
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 B3LYP/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 3793 3660 24.42      
2 A1 813 784 16.03      
3 A1 458 441 229.87      
4 A1 267 258 9.43      
5 A2 141i 136i 0.00      
6 B1 310 299 108.19      
7 B2 3792 3659 149.27      
8 B2 1701 1642 253.49      
9 B2 305 294 341.45      

Unscaled Zero Point Vibrational Energy (zpe) 5648.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 5450.1 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 B3LYP/3-21G
ABC
23.48644 0.22752 0.22533

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.052
O2 0.000 1.421 0.057
O3 0.000 -1.421 0.057
H4 0.000 2.175 -0.556
H5 0.000 -2.175 -0.556

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42071.42072.25782.2578
O21.42072.84130.97123.6470
O31.42072.84133.64700.9712
H42.25780.97123.64704.3491
H52.25783.64700.97124.3491

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 140.718 Be1 O3 H5 140.718
O2 Be1 O3 179.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.526      
2 O -0.636      
3 O -0.636      
4 H 0.373      
5 H 0.373      


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 -2.414 2.414
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.557 0.000 0.000
y 0.000 -11.324 0.000
z 0.000 0.000 -14.872
Traceless
 xyz
x -3.459 0.000 0.000
y 0.000 4.390 0.000
z 0.000 0.000 -0.932
Polar
3z2-r2-1.863
x2-y2-5.233
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.375 0.000 0.000
y 0.000 3.818 0.000
z 0.000 0.000 1.645


<r2> (average value of r2) Å2
<r2> 51.330
(<r2>)1/2 7.164

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-165.602387
Energy at 298.15K-165.603529
HF Energy-165.602387
Nuclear repulsion energy48.737323
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 B3LYP/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 3772 3639 19.73      
2 A 809 780 13.22      
3 A 458 442 205.06      
4 A 258 249 11.83      
5 A 191 185 47.94      
6 B 3771 3639 134.48      
7 B 1695 1636 248.87      
8 B 393 379 372.54      
9 B 275 265 138.48      

Unscaled Zero Point Vibrational Energy (zpe) 5811.2 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 5607.2 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 B3LYP/3-21G
ABC
20.68725 0.22697 0.22560

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.058
O2 0.000 1.423 -0.051
O3 0.000 -1.423 -0.051
H4 0.321 2.142 0.522
H5 -0.321 -2.142 0.522

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42351.42352.24202.2420
O21.42352.84690.97293.6251
O31.42352.84693.62510.9729
H42.24200.97293.62514.3314
H52.24203.62510.97294.3314

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 137.857 Be1 O3 H5 137.857
O2 Be1 O3 179.388
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.522      
2 O -0.633      
3 O -0.633      
4 H 0.372      
5 H 0.372      


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 2.203 2.203
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.031 3.148 0.000
y 3.148 -12.111 0.000
z 0.000 0.000 -15.094
Traceless
 xyz
x -2.428 3.148 0.000
y 3.148 3.451 0.000
z 0.000 0.000 -1.023
Polar
3z2-r2-2.046
x2-y2-3.919
xy3.148
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.467 0.183 0.000
y 0.183 3.796 0.000
z 0.000 0.000 1.635


<r2> (average value of r2) Å2
<r2> 51.400
(<r2>)1/2 7.169

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-165.600363
Energy at 298.15K 
HF Energy-165.600363
Nuclear repulsion energy49.209934
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 B3LYP/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 3917 3780 0.00      
2 Σg 834 805 0.00      
3 Σu 3914 3777 344.69      
4 Σu 1756 1695 330.82      
5 Πg 218i 210i 0.00      
5 Πg 218i 210i 0.00      
6 Πu 304 294 32.87      
6 Πu 304 294 32.87      
7 Πu 284i 274i 475.26      
7 Πu 284i 274i 475.26      

Unscaled Zero Point Vibrational Energy (zpe) 5012.9 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 4836.9 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 B3LYP/3-21G
B
0.22757

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 1.401
O3 0.000 0.000 -1.401
H4 0.000 0.000 2.363
H5 0.000 0.000 -2.363

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.40141.40142.36282.3628
O21.40142.80280.96143.7642
O31.40142.80283.76420.9614
H42.36280.96143.76424.7256
H52.36283.76420.96144.7256

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 B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.557      
2 O -0.661      
3 O -0.661      
4 H 0.383      
5 H 0.383      


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 -16.397 0.000 0.000
y 0.000 -16.397 0.000
z 0.000 0.000 -6.183
Traceless
 xyz
x -5.107 0.000 0.000
y 0.000 -5.107 0.000
z 0.000 0.000 10.214
Polar
3z2-r220.428
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 1.260 0.000 0.000
y 0.000 1.260 0.000
z 0.000 0.000 3.900


<r2> (average value of r2) Å2
<r2> 50.703
(<r2>)1/2 7.121