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

using model chemistry: B3PW91/6-31G*

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 B3PW91/6-31G*
 hartrees
Energy at 0K-166.431700
Energy at 298.15K 
HF Energy-166.431700
Nuclear repulsion energy48.878870
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 B3PW91/6-31G*
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 3950 3779 49.09      
2 A1 739 707 6.39      
3 A1 587 561 177.68      
4 A1 273 261 5.97      
5 A2 231i 221i 0.00      
6 B1 330 315 65.77      
7 B2 3948 3777 125.17      
8 B2 1545 1479 345.44      
9 B2 454 434 332.67      

Unscaled Zero Point Vibrational Energy (zpe) 5797.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5546.5 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 B3PW91/6-31G*
ABC
16.32984 0.22897 0.22581

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.014
O2 0.000 1.428 0.079
O3 0.000 -1.428 0.079
H4 0.000 2.040 -0.658
H5 0.000 -2.040 -0.658

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42951.42952.14792.1479
O21.42952.85600.95783.5455
O31.42952.85603.54550.9578
H42.14790.95783.54554.0802
H52.14793.54550.95784.0802

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 127.122 Be1 O3 H5 127.122
O2 Be1 O3 174.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.358      
2 O -0.592      
3 O -0.592      
4 H 0.413      
5 H 0.413      


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 -2.675 2.675
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.460 0.000 0.000
y 0.000 -14.330 0.000
z 0.000 0.000 -13.892
Traceless
 xyz
x -2.349 0.000 0.000
y 0.000 0.846 0.000
z 0.000 0.000 1.503
Polar
3z2-r23.006
x2-y2-2.130
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.886 0.000 0.000
y 0.000 3.550 0.000
z 0.000 0.000 2.125


<r2> (average value of r2) Å2
<r2> 51.220
(<r2>)1/2 7.157

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-166.432699
Energy at 298.15K-166.434141
HF Energy-166.432699
Nuclear repulsion energy48.853371
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 B3PW91/6-31G*
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 3925 3755 26.42      
2 A 734 702 2.03      
3 A 584 559 96.84      
4 A 288 275 46.47      
5 A 233 223 113.20      
6 B 3923 3753 129.77      
7 B 1542 1475 336.24      
8 B 575 550 371.21      
9 B 285 273 89.63      

Unscaled Zero Point Vibrational Energy (zpe) 6044.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5782.6 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 B3PW91/6-31G*
ABC
14.78867 0.22758 0.22753

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.023
O2 0.000 1.431 -0.056
O3 0.000 -1.431 -0.056
H4 0.560 1.982 0.495
H5 -0.560 -1.982 0.495

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43161.43162.12332.1233
O21.43162.86240.95943.5021
O31.43162.86243.50210.9594
H42.12330.95943.50214.1182
H52.12333.50210.95944.1182

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 124.058 Be1 O3 H5 124.058
O2 Be1 O3 177.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.356      
2 O -0.591      
3 O -0.591      
4 H 0.413      
5 H 0.413      


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 1.951 1.951
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.748 4.554 0.000
y 4.554 -15.409 0.000
z 0.000 0.000 -15.036
Traceless
 xyz
x 0.475 4.554 0.000
y 4.554 -0.518 0.000
z 0.000 0.000 0.042
Polar
3z2-r20.085
x2-y20.662
xy4.554
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.039 0.185 0.000
y 0.185 3.519 0.000
z 0.000 0.000 2.043


<r2> (average value of r2) Å2
<r2> 51.207
(<r2>)1/2 7.156

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-166.425812
Energy at 298.15K 
HF Energy-166.425812
Nuclear repulsion energy49.481879
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 B3PW91/6-31G*
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 4143 3964 0.00      
2 Σg 793 759 0.00      
3 Σu 4138 3959 427.57      
4 Σu 1655 1584 511.20      
5 Πg 357i 342i 0.00      
5 Πg 357i 342i 0.00      
6 Πu 335 320 10.80      
6 Πu 335 320 10.80      
7 Πu 375i 358i 366.90      
7 Πu 375i 358i 366.90      

Unscaled Zero Point Vibrational Energy (zpe) 4968.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 4753.0 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 B3PW91/6-31G*
B
0.22912

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

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 1.398
O3 0.000 0.000 -1.398
H4 0.000 0.000 2.343
H5 0.000 0.000 -2.343

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.39791.39792.34312.3431
O21.39792.79570.94533.7410
O31.39792.79573.74100.9453
H42.34310.94533.74104.6863
H52.34313.74100.94534.6863

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 B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.290      
2 O -0.552      
3 O -0.552      
4 H 0.407      
5 H 0.407      


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 -16.246 0.000 0.000
y 0.000 -16.246 0.000
z 0.000 0.000 -6.917
Traceless
 xyz
x -4.664 0.000 0.000
y 0.000 -4.664 0.000
z 0.000 0.000 9.328
Polar
3z2-r218.656
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 1.721 0.000 0.000
y 0.000 1.721 0.000
z 0.000 0.000 3.742


<r2> (average value of r2) Å2
<r2> 50.449
(<r2>)1/2 7.103