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

using model chemistry: CCSD=FULL/6-31G*

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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-166.055648
Energy at 298.15K 
HF Energy-165.634024
Nuclear repulsion energy48.794758
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=FULL/6-31G*
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 3939 3741 46.94      
2 A1 748 711 10.17      
3 A1 568 539 198.31      
4 A1 282 267 3.23      
5 A2 247i 234i 0.00      
6 B1 347 330 76.06      
7 B2 3937 3739 134.01      
8 B2 1559 1481 360.44      
9 B2 418 397 356.23      

Unscaled Zero Point Vibrational Energy (zpe) 5775.6 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 5485.7 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=FULL/6-31G*
ABC
16.64397 0.22820 0.22511

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.016
O2 0.000 1.429 0.077
O3 0.000 -1.429 0.077
H4 0.000 2.054 -0.653
H5 0.000 -2.054 -0.653

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43071.43072.16062.1606
O21.43072.85890.96103.5595
O31.43072.85893.55950.9610
H42.16060.96103.55954.1088
H52.16063.55950.96104.1088

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 128.119 Be1 O3 H5 128.119
O2 Be1 O3 175.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at CCSD=FULL/6-31G*
 hartrees
Energy at 0K-166.056829
Energy at 298.15K-166.058312
HF Energy-165.634785
Nuclear repulsion energy48.756405
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=FULL/6-31G*
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 3913 3716 23.88      
2 A 741 704 3.19      
3 A 573 544 105.94      
4 A 303 288 54.61      
5 A 246 234 124.66      
6 B 3911 3715 136.74      
7 B 1554 1476 350.87      
8 B 567 539 396.01      
9 B 296 281 104.05      

Unscaled Zero Point Vibrational Energy (zpe) 6051.7 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 5748.0 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=FULL/6-31G*
ABC
14.95722 0.22679 0.22667

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.023
O2 0.000 1.433 -0.054
O3 0.000 -1.433 -0.054
H4 0.570 1.994 0.481
H5 -0.570 -1.994 0.481

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43341.43342.13472.1347
O21.43342.86610.96283.5157
O31.43342.86613.51570.9628
H42.13470.96283.51574.1485
H52.13473.51570.96284.1485

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 124.798 Be1 O3 H5 124.798
O2 Be1 O3 177.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at CCSD=FULL/6-31G*
 hartrees
Energy at 0K-166.051129
Energy at 298.15K 
HF Energy-165.630079
Nuclear repulsion energy49.518592
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=FULL/6-31G*
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 4142 3934 0.00      
2 Σg 805 764 0.00      
3 Σu 4137 3930 440.78      
4 Σu 1678 1594 537.91      
5 Πg 307i 291i 0.00      
5 Πg 307i 291i 0.00      
6 Πu 359 341 18.09      
6 Πu 359 341 18.09      
7 Πu 308i 292i 393.99      
7 Πu 308i 292i 393.99      

Unscaled Zero Point Vibrational Energy (zpe) 5125.7 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 4868.4 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 CCSD=FULL/6-31G*
B
0.22978

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

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 1.395
O3 0.000 0.000 -1.395
H4 0.000 0.000 2.344
H5 0.000 0.000 -2.344

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.39551.39552.34362.3436
O21.39552.79090.94813.7390
O31.39552.79093.73900.9481
H42.34360.94813.73904.6871
H52.34363.73900.94814.6871

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