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

using model chemistry: B1B95/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 B1B95/TZVP
 hartrees
Energy at 0K-275.546738
Energy at 298.15K 
HF Energy-275.546738
Nuclear repulsion energy117.810523
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 B1B95/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 2138 2046 49.29 46.19 0.13 0.23
2 A1 750 718 11.49 9.14 0.08 0.14
3 A1 522 500 102.34 0.35 0.57 0.73
4 A1 80 77 11.50 2.03 0.71 0.83
5 A2 469 448 0.00 3.96 0.75 0.86
6 B1 496 475 131.59 0.23 0.75 0.86
7 B2 2135 2043 1354.90 2.37 0.75 0.86
8 B2 1270 1216 86.54 0.37 0.75 0.86
9 B2 460 440 12.62 2.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4160.0 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 3980.7 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 B1B95/TZVP
ABC
2.58186 0.07677 0.07455

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

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 0.065
B3 0.000 -1.253 0.065
O4 0.000 2.405 -0.285
O5 0.000 -2.405 -0.285

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.32301.32302.52662.5266
B21.32302.50611.20403.6747
B31.32302.50613.67471.2040
O42.52661.20403.67474.8098
O52.52663.67471.20404.8098

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 178.206 O1 B3 O5 178.206
B2 O1 B3 142.576
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.357      
2 B 0.595      
3 B 0.595      
4 O -0.416      
5 O -0.416      


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 1.151 1.151
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.324 0.000 0.000
y 0.000 -43.431 0.000
z 0.000 0.000 -25.148
Traceless
 xyz
x 9.965 0.000 0.000
y 0.000 -18.695 0.000
z 0.000 0.000 8.730
Polar
3z2-r217.460
x2-y219.106
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.699 0.000 0.000
y 0.000 6.927 0.000
z 0.000 0.000 2.960


<r2> (average value of r2) Å2
<r2> 130.841
(<r2>)1/2 11.439

Conformer 2 (D*H)

Jump to S1C1
Energy calculated at B1B95/TZVP
 hartrees
Energy at 0K-275.545731
Energy at 298.15K 
HF Energy-275.545731
Nuclear repulsion energy117.192595
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 B1B95/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 2139 2047 0.00 66.01 0.15 0.26
2 Σg 682 652 0.00 8.90 0.14 0.24
3 Σu 2162 2068 1709.16 0.00 0.00 0.00
4 Σu 1340 1282 78.56 0.00 0.00 0.00
5 Πg 467 447 0.00 4.42 0.75 0.86
5 Πg 467 447 0.00 4.42 0.75 0.86
6 Πu 477 457 146.47 0.00 0.00 0.00
6 Πu 477 457 146.47 0.00 0.00 0.00
7 Πu 61i 59i 6.00 0.00 0.00 0.00
7 Πu 61i 59i 6.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4043.6 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 3869.3 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 B1B95/TZVP
B
0.07015

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/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 1.311
B3 0.000 0.000 -1.311
O4 0.000 0.000 2.516
O5 0.000 0.000 -2.516

Atom - Atom Distances (Å)
  O1 B2 B3 O4 O5
O11.31071.31072.51582.5158
B21.31072.62141.20513.8265
B31.31072.62143.82651.2051
O42.51581.20513.82655.0316
O52.51583.82651.20515.0316

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 B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.211      
2 B 0.602      
3 B 0.602      
4 O -0.497      
5 O -0.497      


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 -24.298 0.000 0.000
y 0.000 -24.298 0.000
z 0.000 0.000 -45.553
Traceless
 xyz
x 10.628 0.000 0.000
y 0.000 10.628 0.000
z 0.000 0.000 -21.255
Polar
3z2-r2-42.510
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 2.631 0.000 0.000
y 0.000 2.631 0.000
z 0.000 0.000 7.519


<r2> (average value of r2) Å2
<r2> 138.049
(<r2>)1/2 11.749