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

using model chemistry: B2PLYP=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-275.449126
Energy at 298.15K 
HF Energy-275.177315
Nuclear repulsion energy117.380799
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/TZVP
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 2085 1989 51.70 55.78 0.12 0.22
2 A1 755 721 13.65 11.85 0.08 0.15
3 A1 529 505 86.04 0.57 0.56 0.72
4 A1 91 87 11.67 2.34 0.71 0.83
5 A2 467 446 0.00 4.68 0.75 0.86
6 B1 494 472 121.08 0.37 0.75 0.86
7 B2 2088 1992 1172.92 3.61 0.75 0.86
8 B2 1233 1176 96.07 0.66 0.75 0.86
9 B2 457 436 14.23 2.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4098.7 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 3911.0 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/TZVP
ABC
2.05184 0.07782 0.07497

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.549
B2 0.000 1.243 0.073
B3 0.000 -1.243 0.073
O4 0.000 2.389 -0.320
O5 0.000 -2.389 -0.320

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.33091.33092.54242.5424
B21.33092.48621.21193.6536
B31.33092.48623.65361.2119
O42.54241.21193.65364.7785
O52.54243.65361.21194.7785

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 178.032 O1 B3 O5 178.032
B2 O1 B3 138.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D*H)

Jump to S1C1
Energy calculated at B2PLYP=FULL/TZVP
 hartrees
Energy at 0K-275.447407
Energy at 298.15K 
HF Energy-275.176526
Nuclear repulsion energy116.604905
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/TZVP
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 2087 1992 0.00 82.76 0.15 0.26
2 Σg 673 642 0.00 11.30 0.14 0.25
3 Σu 2123 2026 1603.10 0.00 0.00 0.00
4 Σu 1317 1257 90.29 0.00 0.00 0.00
5 Πg 465 444 0.00 5.42 0.75 0.86
5 Πg 465 444 0.00 5.42 0.75 0.86
6 Πu 472 450 138.55 0.00 0.75 0.86
6 Πu 472 450 138.55 0.00 0.75 0.86
7 Πu 71i 68i 5.00 0.00 0.00 0.00
7 Πu 71i 68i 5.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 3965.7 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 3784.0 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/TZVP
B
0.06948

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

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 1.315
B3 0.000 0.000 -1.315
O4 0.000 0.000 2.529
O5 0.000 0.000 -2.529

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.31531.31532.52862.5286
B21.31532.63061.21333.8439
B31.31532.63063.84391.2133
O42.52861.21333.84395.0572
O52.52863.84391.21335.0572

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