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All results from a given calculation for B2O3 (diboron trioxide)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
1 2 no D*H 1ΣG

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-275.167300
Energy at 298.15K 
HF Energy-274.236019
Nuclear repulsion energy117.241165
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 MP2=FULL/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 A1 2078 1973 30.92 67.85 0.12 0.22
2 A1 737 700 10.13 11.81 0.09 0.16
3 A1 514 488 79.15 0.47 0.16 0.28
4 A1 80 76 10.18 1.40 0.62 0.76
5 A2 468 444 0.00 2.90 0.75 0.86
6 B1 477 453 98.55 0.14 0.75 0.86
7 B2 2101 1994 1116.83 2.51 0.75 0.86
8 B2 1247 1184 104.76 0.58 0.75 0.86
9 B2 456 433 9.24 2.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4079.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 3873.0 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 MP2=FULL/cc-pVTZ
ABC
2.66247 0.07594 0.07383

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.486
B2 0.000 1.252 0.056
B3 0.000 -1.252 0.056
O4 0.000 2.421 -0.278
O5 0.000 -2.421 -0.278

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.32431.32432.53862.5386
B21.32432.50501.21523.6884
B31.32432.50503.68841.2152
O42.53861.21523.68844.8414
O52.53863.68841.21524.8414

picture of diboron trioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 B2 O4 177.028 O1 B3 O5 177.028
B2 O1 B3 142.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D*H)

Jump to S1C1
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-275.166208
Energy at 298.15K 
HF Energy-274.234896
Nuclear repulsion energy116.737217
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 MP2=FULL/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 Σg 2086 1981 0.00 87.38 0.14 0.24
2 Σg 675 641 0.00 12.42 0.13 0.23
3 Σu 2135 2027 1479.83 0.00 0.00 0.00
4 Σu 1317 1250 103.40 0.00 0.00 0.00
5 Πg 470 446 0.00 3.24 0.75 0.86
5 Πg 470 446 0.00 3.24 0.75 0.86
6 Πu 446 423 106.86 0.00 0.75 0.86
6 Πu 446 423 106.86 0.00 0.75 0.86
7 Πu 79i 75i 4.12 0.00 0.00 0.00
7 Πu 79i 75i 4.12 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 3943.6 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 3744.0 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 MP2=FULL/cc-pVTZ
B
0.06969

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.000
B2 0.000 0.000 1.310
B3 0.000 0.000 -1.310
O4 0.000 0.000 2.526
O5 0.000 0.000 -2.526

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.30971.30972.52602.5260
B21.30972.61951.21623.8357
B31.30972.61953.83571.2162
O42.52601.21623.83575.0519
O52.52603.83571.21625.0519

picture of diboron trioxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 B2 O4 180.000 O1 B3 O5 180.000
B2 O1 B3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability