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All results from a given calculation for BeOH (beryllium monohydroxide)

using model chemistry: QCISD(T)=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
1 2 no C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at QCISD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-90.357311
Energy at 298.15K-90.357146
HF Energy-90.111604
Nuclear repulsion energy17.224440
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 QCISD(T)=FULL/aug-cc-pVDZ
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' 3982 3863 0.00      
2 A' 1181 1145 0.00      
3 A' 376 365 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2769.4 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 2686.6 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 QCISD(T)=FULL/aug-cc-pVDZ
ABC
42.90877 1.27595 1.23910

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.052 -0.388 0.000
Be2 0.052 1.042 0.000
H3 -0.622 -1.067 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.42970.9569
Be21.42972.2138
H30.95692.2138

picture of beryllium monohydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be2 O1 H3 135.195
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-90.355980
Energy at 298.15K 
HF Energy-90.109989
Nuclear repulsion energy17.440376
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 QCISD(T)=FULL/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 4088 3966        
2 Σ 1255 1217        
3 Π 309i 300i        
3 Π 309i 300i        

Unscaled Zero Point Vibrational Energy (zpe) 2361.8 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 2291.2 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 QCISD(T)=FULL/aug-cc-pVDZ
B
1.26079

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.358
Be2 0.000 0.000 -1.043
H3 0.000 0.000 1.308

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40140.9495
Be21.40142.3509
H30.94952.3509

picture of beryllium monohydroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be2 O1 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability