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

using model chemistry: CCSD(T)/6-31+G**

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 CCSD(T)/6-31+G**
 hartrees
Energy at 0K-274.853062
Energy at 298.15K 
HF Energy-274.140965
Nuclear repulsion energy116.750454
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 CCSD(T)/6-31+G**
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 2001        
2 A1 743 713        
3 A1 524 503        
4 A1 82 79        
5 A2 462 444        
6 B1 488 469        
7 B2 2097 2013        
8 B2 1224 1175        
9 B2 453 435        

Unscaled Zero Point Vibrational Energy (zpe) 4079.6 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 3914.7 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 CCSD(T)/6-31+G**
ABC
2.01035 0.07711 0.07426

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.555
B2 0.000 1.246 0.073
B3 0.000 -1.246 0.073
O4 0.000 2.401 -0.323
O5 0.000 -2.401 -0.323

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.33661.33662.55662.5566
B21.33662.49291.22053.6689
B31.33662.49293.66891.2205
O42.55661.22053.66894.8021
O52.55663.66891.22054.8021

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 177.752 O1 B3 O5 177.752
B2 O1 B3 137.670
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D*H)

Jump to S1C1
Energy calculated at CCSD(T)/6-31+G**
 hartrees
Energy at 0K-274.851842
Energy at 298.15K 
HF Energy-274.141709
Nuclear repulsion energy116.062088
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 CCSD(T)/6-31+G**
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 2096 2012        
2 Σg 671 644        
3 Σu 2136 2050        
4 Σu 1312 1259        
5 Πg 470 451        
5 Πg 470 451        
6 Πu 472 453        
6 Πu 472 453        
7 Πu 62i 59i        
7 Πu 62i 59i        

Unscaled Zero Point Vibrational Energy (zpe) 3988.1 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 3827.0 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 CCSD(T)/6-31+G**
B
0.06888

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31+G**

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 1.319
B3 0.000 0.000 -1.319
O4 0.000 0.000 2.540
O5 0.000 0.000 -2.540

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.31871.31872.54042.5404
B21.31872.63731.22173.8590
B31.31872.63733.85901.2217
O42.54041.22173.85905.0807
O52.54043.85901.22175.0807

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