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

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-164.150075
Energy at 298.15K 
HF Energy-164.150075
Nuclear repulsion energy49.837236
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/STO-3G
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 4059 3592 7.31      
2 A1 896 793 13.16      
3 A1 519 459 100.47      
4 A1 295 261 2.32      
5 A2 366i 324i 0.00      
6 B1 332 294 14.20      
7 B2 4056 3589 26.50      
8 B2 1802 1594 167.55      
9 B2 263 233 306.66      

Unscaled Zero Point Vibrational Energy (zpe) 5927.6 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 5245.9 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 B3PW91/STO-3G
ABC
18.17888 0.24451 0.24127

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.144
O2 0.000 1.363 0.096
O3 0.000 -1.363 0.096
H4 0.000 2.172 -0.479
H5 0.000 -2.172 -0.479

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.38391.38392.19802.1980
O21.38392.72600.99263.5818
O31.38392.72603.58180.9926
H42.19800.99263.58184.3447
H52.19803.58180.99264.3447

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 134.650 Be1 O3 H5 134.650
O2 Be1 O3 160.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.204      
2 O -0.324      
3 O -0.324      
4 H 0.222      
5 H 0.222      


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 -1.834 1.834
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.904 0.000 0.000
y 0.000 -8.490 0.000
z 0.000 0.000 -13.867
Traceless
 xyz
x -3.725 0.000 0.000
y 0.000 5.895 0.000
z 0.000 0.000 -2.170
Polar
3z2-r2-4.340
x2-y2-6.413
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.677 0.000 0.000
y 0.000 3.635 0.000
z 0.000 0.000 1.036


<r2> (average value of r2) Å2
<r2> 47.609
(<r2>)1/2 6.900

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-164.152778
Energy at 298.15K-164.154276
HF Energy-164.152778
Nuclear repulsion energy49.444313
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/STO-3G
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 3983 3525 4.88      
2 A 865 765 8.52      
3 A 590 522 47.28      
4 A 447 396 58.33      
5 A 276 245 0.83      
6 B 3987 3529 11.70      
7 B 1761 1559 144.43      
8 B 532 471 322.03      
9 B 294 260 46.31      

Unscaled Zero Point Vibrational Energy (zpe) 6367.7 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 5635.4 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/STO-3G
ABC
14.04836 0.23907 0.23878

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.095
O2 0.000 1.387 -0.078
O3 0.000 -1.387 -0.078
H4 0.561 2.034 0.434
H5 -0.561 -2.034 0.434

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.39771.39772.13752.1375
O21.39772.77390.99823.5047
O31.39772.77393.50470.9982
H42.13750.99823.50474.2207
H52.13753.50470.99824.2207

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 125.468 Be1 O3 H5 125.468
O2 Be1 O3 165.817
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.197      
2 O -0.313      
3 O -0.313      
4 H 0.215      
5 H 0.215      


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 1.575 1.575
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.728 3.573 0.000
y 3.573 -10.991 0.000
z 0.000 0.000 -14.167
Traceless
 xyz
x -1.148 3.573 0.000
y 3.573 2.956 0.000
z 0.000 0.000 -1.808
Polar
3z2-r2-3.615
x2-y2-2.736
xy3.573
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.016 0.466 0.000
y 0.466 3.460 0.000
z 0.000 0.000 0.984


<r2> (average value of r2) Å2
<r2> 48.292
(<r2>)1/2 6.949

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-164.144608
Energy at 298.15K 
HF Energy-164.144608
Nuclear repulsion energy50.719069
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/STO-3G
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 4200 3717 0.00      
2 Σg 936 828 0.00      
3 Σu 4195 3713 127.00      
4 Σu 1996 1766 287.87      
5 Πg 361i 319i 0.00      
5 Πg 361i 319i 0.00      
6 Πu 323 286 12.77      
6 Πu 323 286 12.77      
7 Πu 427i 378i 172.71      
7 Πu 427i 378i 172.71      

Unscaled Zero Point Vibrational Energy (zpe) 5199.3 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 4601.4 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/STO-3G
B
0.24597

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

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 1.343
O3 0.000 0.000 -1.343
H4 0.000 0.000 2.323
H5 0.000 0.000 -2.323

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.34251.34252.32332.3233
O21.34252.68500.98083.6658
O31.34252.68503.66580.9808
H42.32330.98083.66584.6465
H52.32333.66580.98084.6465

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/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.214      
2 O -0.345      
3 O -0.345      
4 H 0.238      
5 H 0.238      


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 -14.690 0.000 0.000
y 0.000 -14.690 0.000
z 0.000 0.000 -4.932
Traceless
 xyz
x -4.879 0.000 0.000
y 0.000 -4.879 0.000
z 0.000 0.000 9.758
Polar
3z2-r219.516
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 0.514 0.000 0.000
y 0.000 0.514 0.000
z 0.000 0.000 3.696


<r2> (average value of r2) Å2
<r2> 46.776
(<r2>)1/2 6.839