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

using model chemistry: mPW1PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-166.538903
Energy at 298.15K 
HF Energy-166.538903
Nuclear repulsion energy49.096310
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/cc-pVTZ
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 4042 3877 56.01      
2 A1 754 723 7.77      
3 A1 586 562 159.56      
4 A1 307 295 12.52      
5 A2 183i 175i 0.00      
6 B1 346 332 71.45      
7 B2 4040 3875 158.62      
8 B2 1552 1488 367.97      
9 B2 482 462 279.19      

Unscaled Zero Point Vibrational Energy (zpe) 5962.9 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 5719.6 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 mPW1PW91/cc-pVTZ
ABC
18.35898 0.23007 0.22722

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.010
O2 0.000 1.422 0.075
O3 0.000 -1.422 0.075
H4 0.000 2.069 -0.620
H5 0.000 -2.069 -0.620

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42301.42302.16252.1625
O21.42302.84310.94923.5587
O31.42302.84313.55870.9492
H42.16250.94923.55874.1374
H52.16253.55870.94924.1374

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 130.384 Be1 O3 H5 130.384
O2 Be1 O3 174.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.245      
2 O -0.318      
3 O -0.318      
4 H 0.195      
5 H 0.195      


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 -2.343 2.343
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.665 0.000 0.000
y 0.000 -14.908 0.000
z 0.000 0.000 -14.423
Traceless
 xyz
x -2.000 0.000 0.000
y 0.000 0.637 0.000
z 0.000 0.000 1.363
Polar
3z2-r22.726
x2-y2-1.758
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.585 0.000 0.000
y 0.000 3.788 0.000
z 0.000 0.000 2.731


<r2> (average value of r2) Å2
<r2> 51.326
(<r2>)1/2 7.164

Conformer 2 (C2)

Jump to S1C1
Energy calculated at mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-166.539477
Energy at 298.15K-166.540972
HF Energy-166.539477
Nuclear repulsion energy49.075178
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/cc-pVTZ
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 4026 3862 33.08      
2 A 749 719 3.38      
3 A 580 557 100.15      
4 A 314 301 30.27      
5 A 208 199 100.12      
6 B 4024 3860 167.75      
7 B 1550 1487 360.18      
8 B 561 538 326.92      
9 B 314 301 77.62      

Unscaled Zero Point Vibrational Energy (zpe) 6163.7 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 5912.2 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 mPW1PW91/cc-pVTZ
ABC
16.93294 0.22889 0.22855

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.015
O2 0.000 1.424 -0.057
O3 0.000 -1.424 -0.057
H4 0.498 2.027 0.483
H5 -0.498 -2.027 0.483

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42461.42462.14612.1461
O21.42462.84800.95023.5283
O31.42462.84803.52830.9502
H42.14610.95023.52834.1747
H52.14613.52830.95024.1747

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 128.178 Be1 O3 H5 128.178
O2 Be1 O3 176.697
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.254      
2 O -0.324      
3 O -0.324      
4 H 0.197      
5 H 0.197      


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 1.787 1.787
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.327 3.948 0.000
y 3.948 -15.650 0.000
z 0.000 0.000 -15.323
Traceless
 xyz
x 0.159 3.948 0.000
y 3.948 -0.325 0.000
z 0.000 0.000 0.165
Polar
3z2-r20.331
x2-y20.323
xy3.948
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.662 0.108 0.000
y 0.108 3.771 0.000
z 0.000 0.000 2.693


<r2> (average value of r2) Å2
<r2> 51.316
(<r2>)1/2 7.164