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

using model chemistry: M06-2X/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-52.019239
Energy at 298.15K-52.021694
HF Energy-52.019239
Nuclear repulsion energy22.398799
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/daug-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 2636 2636 0.00      
2 A1 1224 1224 0.00      
3 A1 875 875 0.00      
4 B1 542 542 0.00      
5 B2 2616 2616 68.43      
6 B2 1159 1159 6.37      
7 E 2683 2683 83.16      
7 E 2683 2683 83.16      
8 E 1004 1004 25.49      
8 E 1004 1004 25.49      
9 E 410 410 5.89      
9 E 410 410 5.89      

Unscaled Zero Point Vibrational Energy (zpe) 8622.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8622.4 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 M06-2X/daug-cc-pVTZ
ABC
4.07350 0.66737 0.66737

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.818
B2 0.000 0.000 -0.818
H3 0.000 1.013 1.448
H4 0.000 -1.013 1.448
H5 1.013 0.000 -1.448
H6 -1.013 0.000 -1.448

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.63661.19271.19272.48212.4821
B21.63662.48212.48211.19271.1927
H31.19272.48212.02643.23033.2303
H41.19272.48212.02643.23033.2303
H52.48211.19273.23033.23032.0264
H62.48211.19273.23033.23032.0264

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 121.844 B1 B2 H6 121.844
B2 B1 H3 121.844 B2 B1 H4 121.844
H3 B1 H4 116.312 H5 B2 H6 116.312
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.181      
2 B 0.181      
3 H -0.091      
4 H -0.091      
5 H -0.091      
6 H -0.091      


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 -14.650 0.000 0.000
y 0.000 -14.650 0.000
z 0.000 0.000 -16.668
Traceless
 xyz
x 1.009 0.000 0.000
y 0.000 1.009 0.000
z 0.000 0.000 -2.018
Polar
3z2-r2-4.036
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 4.088 0.000 0.000
y 0.000 4.088 0.000
z 0.000 0.000 5.722


<r2> (average value of r2) Å2
<r2> 28.754
(<r2>)1/2 5.362