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

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-275.519493
Energy at 298.15K 
HF Energy-275.519493
Nuclear repulsion energy117.655893
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 B3PW91/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 2119 2037 40.82      
2 A1 745 717 9.58      
3 A1 529 508 88.12      
4 A1 89 86 11.89      
5 A2 472 454 0.00      
6 B1 491 472 108.91      
7 B2 2119 2038 1232.06      
8 B2 1259 1211 81.44      
9 B2 465 447 11.37      

Unscaled Zero Point Vibrational Energy (zpe) 4143.7 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 3984.6 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 B3PW91/cc-pVTZ
ABC
2.57363 0.07662 0.07441

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.492
B2 0.000 1.252 0.062
B3 0.000 -1.252 0.062
O4 0.000 2.408 -0.285
O5 0.000 -2.408 -0.285

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.32391.32392.53022.5302
B21.32392.50391.20693.6763
B31.32392.50393.67631.2069
O42.53021.20693.67634.8161
O52.53023.67631.20694.8161

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 177.698 O1 B3 O5 177.698
B2 O1 B3 142.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.006      
2 B 0.248      
3 B 0.248      
4 O -0.251      
5 O -0.251      


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 1.185 1.185
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.341 0.000 0.000
y 0.000 -42.862 0.000
z 0.000 0.000 -25.035
Traceless
 xyz
x 9.608 0.000 0.000
y 0.000 -18.174 0.000
z 0.000 0.000 8.566
Polar
3z2-r217.132
x2-y218.521
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.236 0.000 0.000
y 0.000 6.831 0.000
z 0.000 0.000 3.433


<r2> (average value of r2) Å2
<r2> 130.928
(<r2>)1/2 11.442

Conformer 2 (D*H)

Jump to S1C1
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-275.518100
Energy at 298.15K 
HF Energy-275.518100
Nuclear repulsion energy117.103070
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 B3PW91/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 2121 2040 0.00      
2 Σg 679 653 0.00      
3 Σu 2151 2068 1569.09      
4 Σu 1332 1281 73.06      
5 Πg 474 456 0.00      
5 Πg 474 456 0.00      
6 Πu 460 443 117.29      
6 Πu 460 443 117.29      
7 Πu 85i 82i 5.32      
7 Πu 85i 82i 5.32      

Unscaled Zero Point Vibrational Energy (zpe) 3990.9 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 3837.6 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 B3PW91/cc-pVTZ
B
0.07007

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/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 2.518
O5 0.000 0.000 -2.518

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.30981.30982.51782.5178
B21.30982.61951.20813.8276
B31.30982.61953.82761.2081
O42.51781.20813.82765.0357
O52.51783.82761.20815.0357

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 B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.069      
2 B 0.248      
3 B 0.248      
4 O -0.282      
5 O -0.282      


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 -24.299 0.000 0.000
y 0.000 -24.299 0.000
z 0.000 0.000 -44.899
Traceless
 xyz
x 10.300 0.000 0.000
y 0.000 10.300 0.000
z 0.000 0.000 -20.600
Polar
3z2-r2-41.200
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 3.215 0.000 0.000
y 0.000 3.215 0.000
z 0.000 0.000 7.392


<r2> (average value of r2) Å2
<r2> 138.052
(<r2>)1/2 11.750