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

using model chemistry: CCSD/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 CCSD/6-311G*
 hartrees
Energy at 0K-166.128761
Energy at 298.15K 
HF Energy-165.684055
Nuclear repulsion energy49.005586
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 CCSD/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 4022 3835 35.19      
2 A1 760 725 10.22      
3 A1 599 571 182.86      
4 A1 327 312 5.80      
5 A2 237i 226i 0.00      
6 B1 388 370 99.07      
7 B2 4020 3833 114.33      
8 B2 1564 1491 352.37      
9 B2 465 443 356.53      

Unscaled Zero Point Vibrational Energy (zpe) 5953.9 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 5677.1 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 CCSD/6-311G*
ABC
17.46262 0.22935 0.22637

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.029
O2 0.000 1.425 0.073
O3 0.000 -1.425 0.073
H4 0.000 2.054 -0.641
H5 0.000 -2.054 -0.641

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42611.42612.16022.1602
O21.42612.85090.95073.5516
O31.42612.85093.55160.9507
H42.16020.95073.55164.1075
H52.16023.55160.95074.1075

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 129.611 Be1 O3 H5 129.611
O2 Be1 O3 176.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD/6-311G*
 hartrees
Energy at 0K-166.129728
Energy at 298.15K-166.131357
HF Energy-165.684674
Nuclear repulsion energy48.991245
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 CCSD/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 4005 3818 19.42      
2 A 756 721 4.45      
3 A 594 567 105.67      
4 A 345 329 49.56      
5 A 257 245 143.39      
6 B 4003 3817 118.97      
7 B 1564 1491 347.63      
8 B 581 554 387.78      
9 B 332 316 117.52      

Unscaled Zero Point Vibrational Energy (zpe) 6218.1 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 5928.9 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 CCSD/6-311G*
ABC
16.15589 0.22811 0.22801

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.035
O2 0.000 1.427 -0.051
O3 0.000 -1.427 -0.051
H4 0.531 2.011 0.481
H5 -0.531 -2.011 0.481

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42751.42752.14312.1431
O21.42752.85480.95183.5198
O31.42752.85483.51980.9518
H42.14310.95183.51984.1602
H52.14313.51980.95184.1602

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 127.358 Be1 O3 H5 127.358
O2 Be1 O3 178.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability