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

using model chemistry: CCSD=FULL/cc-pVTZ

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 CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-90.432910
Energy at 298.15K-90.432612
HF Energy-90.136404
Nuclear repulsion energy17.560539
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 4093 3881 144.54      
2 A' 1301 1234 109.38      
3 A' 256 242 178.81      

Unscaled Zero Point Vibrational Energy (zpe) 2825.0 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 2678.4 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/cc-pVTZ
ABC
54.89104 1.32157 1.29050

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.046 -0.373 0.000
Be2 0.046 1.023 0.000
H3 -0.554 -1.105 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39620.9460
Be21.39622.2107
H30.94602.2107

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 140.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-90.432741
Energy at 298.15K 
HF Energy-90.135523
Nuclear repulsion energy17.750560
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 4187 3970 214.39      
2 Σ 1354 1284 141.79      
3 Π 79i 75i 156.72      
3 Π 79i 75i 156.72      

Unscaled Zero Point Vibrational Energy (zpe) 2691.3 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 2551.6 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 CCSD=FULL/cc-pVTZ
B
1.31056

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.350
Be2 0.000 0.000 -1.023
H3 0.000 0.000 1.290

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.37310.9401
Be21.37312.3132
H30.94012.3132

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