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

using model chemistry: B2PLYP=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 B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-275.485830
Energy at 298.15K 
HF Energy-275.181566
Nuclear repulsion energy117.437318
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 B2PLYP=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 2090 1998 35.53 55.34 0.12 0.22
2 A1 739 707 9.80 10.11 0.08 0.15
3 A1 524 501 85.14 0.55 0.13 0.23
4 A1 88 84 11.31 1.46 0.61 0.75
5 A2 469 448 0.00 2.21 0.75 0.86
6 B1 486 464 105.35 0.13 0.75 0.86
7 B2 2101 2008 1167.89 2.03 0.75 0.86
8 B2 1252 1196 91.95 0.47 0.75 0.86
9 B2 460 440 10.50 1.69 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4104.4 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 3923.0 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 B2PLYP=FULL/cc-pVTZ
ABC
2.61483 0.07625 0.07409

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.489
B2 0.000 1.253 0.061
B3 0.000 -1.253 0.061
O4 0.000 2.415 -0.282
O5 0.000 -2.415 -0.282

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.32451.32452.53462.5346
B21.32452.50701.21063.6840
B31.32452.50703.68401.2106
O42.53461.21063.68404.8291
O52.53463.68401.21064.8291

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 177.618 O1 B3 O5 177.618
B2 O1 B3 142.317
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D*H)

Jump to S1C1
Energy calculated at B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-275.484504
Energy at 298.15K 
HF Energy-275.180390
Nuclear repulsion energy116.907160
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 B2PLYP=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 2094 2002 0.00 75.67 0.14 0.25
2 Σg 676 646 0.00 10.90 0.13 0.22
3 Σu 2134 2040 1509.87 0.00 0.00 0.00
4 Σu 1322 1263 86.29 0.00 0.00 0.00
5 Πg 471 450 0.00 2.48 0.75 0.86
5 Πg 471 450 0.00 2.48 0.75 0.86
6 Πu 455 434 113.75 0.00 0.00 0.00
6 Πu 455 434 113.75 0.00 0.00 0.00
7 Πu 85i 81i 4.75 0.00 0.00 0.00
7 Πu 85i 81i 4.75 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 3953.8 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 3779.0 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 B2PLYP=FULL/cc-pVTZ
B
0.06986

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=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 2.522
O5 0.000 0.000 -2.522

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.31031.31032.52212.5221
B21.31032.62071.21183.8325
B31.31032.62073.83251.2118
O42.52211.21183.83255.0443
O52.52213.83251.21185.0443

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