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

using model chemistry: mPW1PW91/6-311G**

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 mPW1PW91/6-311G**
 hartrees
Energy at 0K-166.518302
Energy at 298.15K 
HF Energy-166.518302
Nuclear repulsion energy49.110980
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 mPW1PW91/6-311G**
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 3883 68.47      
2 A1 755 722 8.80      
3 A1 579 554 159.97      
4 A1 319 305 8.00      
5 A2 200i 191i 0.00      
6 B1 380 363 97.95      
7 B2 4056 3880 152.10      
8 B2 1552 1485 355.84      
9 B2 452 432 302.21      

Unscaled Zero Point Vibrational Energy (zpe) 5975.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5716.4 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 mPW1PW91/6-311G**
ABC
17.54340 0.23042 0.22743

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.035
O2 0.000 1.422 0.071
O3 0.000 -1.422 0.071
H4 0.000 2.051 -0.641
H5 0.000 -2.051 -0.641

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42241.42242.15922.1592
O21.42242.84400.94973.5449
O31.42242.84403.54490.9497
H42.15920.94973.54494.1015
H52.15923.54490.94974.1015

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 130.004 Be1 O3 H5 130.004
O2 Be1 O3 177.093
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.396      
2 O -0.473      
3 O -0.473      
4 H 0.275      
5 H 0.275      


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 -2.498 2.498
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.638 0.000 0.000
y 0.000 -14.853 0.000
z 0.000 0.000 -14.238
Traceless
 xyz
x -2.092 0.000 0.000
y 0.000 0.585 0.000
z 0.000 0.000 1.507
Polar
3z2-r23.014
x2-y2-1.784
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.158 0.000 0.000
y 0.000 3.609 0.000
z 0.000 0.000 2.346


<r2> (average value of r2) Å2
<r2> 51.191
(<r2>)1/2 7.155

Conformer 2 (C2)

Jump to S1C1
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-166.518887
Energy at 298.15K-166.520430
HF Energy-166.518887
Nuclear repulsion energy49.089669
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 mPW1PW91/6-311G**
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 4041 3866 42.74      
2 A 750 717 4.04      
3 A 572 547 108.68      
4 A 330 315 30.85      
5 A 230 221 101.86      
6 B 4039 3864 163.07      
7 B 1550 1482 349.94      
8 B 546 522 328.81      
9 B 329 315 103.83      

Unscaled Zero Point Vibrational Energy (zpe) 6192.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5924.4 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 mPW1PW91/6-311G**
ABC
16.31786 0.22933 0.22873

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.036
O2 0.000 1.424 -0.055
O3 0.000 -1.424 -0.055
H4 0.484 2.013 0.513
H5 -0.484 -2.013 0.513

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42411.42412.14202.1420
O21.42412.84800.95083.5170
O31.42412.84803.51700.9508
H42.14200.95083.51704.1406
H52.14203.51700.95084.1406

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 127.696 Be1 O3 H5 127.696
O2 Be1 O3 178.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.399      
2 O -0.475      
3 O -0.475      
4 H 0.276      
5 H 0.276      


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 1.956 1.956
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.352 4.044 0.000
y 4.044 -15.544 0.000
z 0.000 0.000 -15.121
Traceless
 xyz
x -0.019 4.044 0.000
y 4.044 -0.308 0.000
z 0.000 0.000 0.327
Polar
3z2-r20.655
x2-y20.192
xy4.044
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.252 0.138 0.000
y 0.138 3.596 0.000
z 0.000 0.000 2.307


<r2> (average value of r2) Å2
<r2> 51.177
(<r2>)1/2 7.154