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

using model chemistry: QCISD/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/cc-pVDZ
 hartrees
Energy at 0K-90.323538
Energy at 298.15K-90.323362
HF Energy-90.102544
Nuclear repulsion energy17.231523
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/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' 4012 3849 134.58      
2 A' 1237 1186 77.53      
3 A' 363 348 177.90      

Unscaled Zero Point Vibrational Energy (zpe) 2805.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 2691.4 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 QCISD/cc-pVDZ
ABC
39.27504 1.28249 1.24194

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.054 -0.390 0.000
Be2 0.054 1.040 0.000
H3 -0.649 -1.040 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.42950.9574
Be21.42952.1950
H30.95742.1950

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 132.745
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-90.322562
Energy at 298.15K 
HF Energy-90.101934
Nuclear repulsion energy17.451714
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/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 4139 3971 242.02      
2 Σ 1312 1259 106.30      
3 Π 224i 214i 159.87      
3 Π 224i 214i 159.87      

Unscaled Zero Point Vibrational Energy (zpe) 2501.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 2400.3 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/cc-pVDZ
B
1.26229

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/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 1.307

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40050.9492
Be21.40052.3497
H30.94922.3497

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