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

using model chemistry: CCD/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 CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-90.416362
Energy at 298.15K-90.416172
HF Energy-90.138649
Nuclear repulsion energy17.475383
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 CCD/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' 4068 3893 139.67      
2 A' 1275 1220 132.58      
3 A' 346 331 173.38      

Unscaled Zero Point Vibrational Energy (zpe) 2844.4 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 2722.1 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 CCD/aug-cc-pVTZ
ABC
52.20468 1.30883 1.27681

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.047 -0.377 0.000
Be2 0.047 1.028 0.000
H3 -0.567 -1.099 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40480.9482
Be21.40482.2139
H30.94822.2139

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 139.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-90.415706
Energy at 298.15K 
HF Energy-90.137950
Nuclear repulsion energy17.651677
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 CCD/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 4153 3974 209.96      
2 Σ 1326 1269 172.61      
3 Π 212i 203i 153.01      
3 Π 212i 203i 153.01      

Unscaled Zero Point Vibrational Energy (zpe) 2527.3 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 2418.7 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 CCD/aug-cc-pVTZ
B
1.29429

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/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 -1.029
H3 0.000 0.000 1.296

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38220.9428
Be21.38222.3250
H30.94282.3250

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