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

using model chemistry: CCSD/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-90.418411
Energy at 298.15K-90.418234
HF Energy-90.138590
Nuclear repulsion energy17.453369
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/aug-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' 4047 3868 131.10      
2 A' 1268 1212 126.94      
3 A' 357 342 171.04      

Unscaled Zero Point Vibrational Energy (zpe) 2836.2 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 2710.8 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/aug-cc-pVTZ
ABC
50.02897 1.30736 1.27406

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.048 -0.378 0.000
Be2 0.048 1.029 0.000
H3 -0.579 -1.091 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40690.9494
Be21.40692.2105
H30.94942.2105

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 138.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at CCSD/aug-cc-pVTZ
 hartrees
Energy at 0K-90.417666
Energy at 298.15K 
HF Energy-90.137903
Nuclear repulsion energy17.637036
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/aug-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 Σ 4137 3954 202.74      
2 Σ 1322 1263 167.93      
3 Π 223i 213i 150.84      
3 Π 223i 213i 150.84      

Unscaled Zero Point Vibrational Energy (zpe) 2506.2 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 2395.5 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/aug-cc-pVTZ
B
1.29218

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.353
Be2 0.000 0.000 -1.030
H3 0.000 0.000 1.297

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38340.9436
Be21.38342.3270
H30.94362.3270

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