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All results from a given calculation for B2H4 (Diborane(4) D2d)

using model chemistry: M06-2X/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at M06-2X/TZVP
 hartrees
Energy at 0K-52.016134
Energy at 298.15K-52.018582
HF Energy-52.016134
Nuclear repulsion energy22.371498
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 M06-2X/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 2638 2496 0.00      
2 A1 1227 1161 0.00      
3 A1 876 828 0.00      
4 B1 533 504 0.00      
5 B2 2617 2477 72.41      
6 B2 1160 1097 5.53      
7 E 2684 2540 84.28      
7 E 2684 2540 84.28      
8 E 1003 949 24.67      
8 E 1003 949 24.67      
9 E 405 383 4.08      
9 E 405 383 4.08      

Unscaled Zero Point Vibrational Energy (zpe) 8616.9 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 8153.3 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 M06-2X/TZVP
ABC
4.06507 0.66567 0.66567

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.819
B2 0.000 0.000 -0.819
H3 0.000 1.014 1.450
H4 0.000 -1.014 1.450
H5 1.014 0.000 -1.450
H6 -1.014 0.000 -1.450

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.63861.19411.19412.48522.4852
B21.63862.48522.48521.19411.1941
H31.19412.48522.02853.23453.2345
H41.19412.48522.02853.23453.2345
H52.48521.19413.23453.23452.0285
H62.48521.19413.23453.23452.0285

picture of Diborane(4) D2d state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 H5 121.854 B1 B2 H6 121.854
B2 B1 H3 121.854 B2 B1 H4 121.854
H3 B1 H4 116.291 H5 B2 H6 116.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.002      
2 B -0.002      
3 H 0.001      
4 H 0.001      
5 H 0.001      
6 H 0.001      


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 -14.625 0.000 0.000
y 0.000 -14.625 0.000
z 0.000 0.000 -16.688
Traceless
 xyz
x 1.032 0.000 0.000
y 0.000 1.032 0.000
z 0.000 0.000 -2.063
Polar
3z2-r2-4.126
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 3.486 0.000 0.000
y 0.000 3.486 0.000
z 0.000 0.000 5.522


<r2> (average value of r2) Å2
<r2> 28.796
(<r2>)1/2 5.366