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

using model chemistry: BLYP/6-31G**

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 BLYP/6-31G**
 hartrees
Energy at 0K-275.494373
Energy at 298.15K 
HF Energy-275.494373
Nuclear repulsion energy116.408084
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 BLYP/6-31G**
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 2059 2043 28.46 40.72 0.17 0.29
2 A1 714 708 6.83 9.72 0.11 0.20
3 A1 481 478 69.75 0.51 0.16 0.27
4 A1 73 72 7.77 2.10 0.60 0.75
5 A2 440 436 0.00 2.11 0.75 0.86
6 B1 446 443 81.82 0.10 0.75 0.86
7 B2 2080 2064 1053.09 1.79 0.75 0.86
8 B2 1229 1220 73.25 0.58 0.75 0.86
9 B2 433 430 7.31 1.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3977.0 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 3946.4 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 BLYP/6-31G**
ABC
2.82455 0.07443 0.07252

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.473
B2 0.000 1.266 0.054
B3 0.000 -1.266 0.054
O4 0.000 2.445 -0.270
O5 0.000 -2.445 -0.270

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.33351.33352.55502.5550
B21.33352.53191.22243.7247
B31.33352.53193.72471.2224
O42.55501.22243.72474.8894
O52.55503.72471.22244.8894

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 177.041 O1 B3 O5 177.041
B2 O1 B3 143.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.231      
2 B 0.410      
3 B 0.410      
4 O -0.295      
5 O -0.295      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.911 0.911
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.080 0.000 0.000
y 0.000 -40.705 0.000
z 0.000 0.000 -24.648
Traceless
 xyz
x 8.596 0.000 0.000
y 0.000 -16.341 0.000
z 0.000 0.000 7.745
Polar
3z2-r215.490
x2-y216.625
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.475 0.000 0.000
y 0.000 6.834 0.000
z 0.000 0.000 2.693


<r2> (average value of r2) Å2
<r2> 133.252
(<r2>)1/2 11.543

Conformer 2 (D*H)

Jump to S1C1
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-275.493674
Energy at 298.15K 
HF Energy-275.493674
Nuclear repulsion energy115.924097
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 BLYP/6-31G**
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 2065 2049 0.00 62.90 0.20 0.33
2 Σg 661 656 0.00 11.20 0.17 0.29
3 Σu 2115 2099 1318.93 0.00 0.00 0.00
4 Σu 1296 1286 63.10 0.00 0.00 0.00
5 Πg 443 439 0.00 2.32 0.75 0.86
5 Πg 443 439 0.00 2.32 0.75 0.86
6 Πu 425 422 87.18 0.00 0.00 0.00
6 Πu 425 422 87.18 0.00 0.00 0.00
7 Πu 59i 58i 4.15 0.00 0.00 0.00
7 Πu 59i 58i 4.15 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 3877.6 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 3847.7 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 BLYP/6-31G**
B
0.06871

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G**

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 1.320
B3 0.000 0.000 -1.320
O4 0.000 0.000 2.544
O5 0.000 0.000 -2.544

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.32001.32002.54362.5436
B21.32002.64011.22363.8637
B31.32002.64013.86371.2236
O42.54361.22363.86375.0872
O52.54363.86371.22365.0872

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
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.190      
2 B 0.396      
3 B 0.396      
4 O -0.301      
5 O -0.301      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.018 0.000 0.000
y 0.000 -24.018 0.000
z 0.000 0.000 -42.328
Traceless
 xyz
x 9.155 0.000 0.000
y 0.000 9.155 0.000
z 0.000 0.000 -18.310
Polar
3z2-r2-36.619
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.462 0.000 0.000
y 0.000 2.462 0.000
z 0.000 0.000 7.457


<r2> (average value of r2) Å2
<r2> 139.758
(<r2>)1/2 11.822