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

using model chemistry: mPW1PW91/6-31+G**

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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-166.480573
Energy at 298.15K 
HF Energy-166.480573
Nuclear repulsion energy48.959614
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 mPW1PW91/6-31+G**
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 4094 3896 64.26      
2 A1 743 708 4.77      
3 A1 523 498 272.70      
4 A1 292 278 0.08      
5 A2 190i 181i 0.00      
6 B1 388 369 100.79      
7 B2 4091 3894 215.54      
8 B2 1541 1467 466.69      
9 B2 368 351 269.66      

Unscaled Zero Point Vibrational Energy (zpe) 5924.7 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 5639.1 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 mPW1PW91/6-31+G**
ABC
22.52219 0.22773 0.22545

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.011
O2 0.000 1.423 0.067
O3 0.000 -1.423 0.067
H4 0.000 2.137 -0.560
H5 0.000 -2.137 -0.560

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42451.42452.21222.2122
O21.42452.84680.95033.6156
O31.42452.84683.61560.9503
H42.21220.95033.61564.2747
H52.21223.61560.95034.2747

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 136.428 Be1 O3 H5 136.428
O2 Be1 O3 175.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 1.024      
2 O -0.888      
3 O -0.888      
4 H 0.376      
5 H 0.376      


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 -2.464 2.464
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.054 0.000 0.000
y 0.000 -14.140 0.000
z 0.000 0.000 -15.042
Traceless
 xyz
x -2.463 0.000 0.000
y 0.000 1.908 0.000
z 0.000 0.000 0.555
Polar
3z2-r21.110
x2-y2-2.914
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.323 0.000 0.000
y 0.000 4.062 0.000
z 0.000 0.000 2.306


<r2> (average value of r2) Å2
<r2> 51.880
(<r2>)1/2 7.203

Conformer 2 (C2)

Jump to S1C1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-166.481189
Energy at 298.15K-166.482536
HF Energy-166.481189
Nuclear repulsion energy48.926517
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 mPW1PW91/6-31+G**
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 4076 3880 27.64      
2 A 739 703 1.03      
3 A 502 478 149.44      
4 A 327 312 24.88      
5 A 176 168 190.91      
6 B 4074 3878 232.50      
7 B 1538 1464 456.07      
8 B 509 485 370.22      
9 B 308 293 114.00      

Unscaled Zero Point Vibrational Energy (zpe) 6124.7 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 5829.5 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 mPW1PW91/6-31+G**
ABC
20.10213 0.22688 0.22636

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.010
O2 0.000 1.426 -0.044
O3 0.000 -1.426 -0.044
H4 0.534 2.093 0.374
H5 -0.534 -2.093 0.374

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42661.42662.19412.1941
O21.42662.85240.95143.5841
O31.42662.85243.58410.9514
H42.19410.95143.58414.3203
H52.19413.58410.95144.3203

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 133.642 Be1 O3 H5 133.642
O2 Be1 O3 177.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 1.016      
2 O -0.880      
3 O -0.880      
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 1.631 1.631
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.361 4.968 0.000
y 4.968 -15.085 0.000
z 0.000 0.000 -16.165
Traceless
 xyz
x 0.264 4.968 0.000
y 4.968 0.678 0.000
z 0.000 0.000 -0.943
Polar
3z2-r2-1.885
x2-y2-0.276
xy4.968
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.331 0.033 0.000
y 0.033 4.060 0.000
z 0.000 0.000 2.340


<r2> (average value of r2) Å2
<r2> 51.893
(<r2>)1/2 7.204