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All results from a given calculation for BH4 (borohydride)

using model chemistry: LSDA/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 2B2
1 2 yes D2D 2B2

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at LSDA/STO-3G
 hartrees
Energy at 0K-26.613583
Energy at 298.15K 
HF Energy-26.613583
Nuclear repulsion energy10.428842
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 LSDA/STO-3G
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 3023 2707 1.60      
2 A1 2471 2213 6.09      
3 A1 1451 1300 16.90      
4 A1 1203 1078 0.57      
5 A2 906i 812i 0.00      
6 B1 3156 2826 2.71      
7 B1 1193 1069 1.41      
8 B2 2211 1980 137.94      
9 B2 787 705 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 7295.0 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 6532.6 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 LSDA/STO-3G
ABC
5.49563 4.45683 3.45379

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.107
H2 0.000 0.699 -0.941
H3 0.000 -0.699 -0.941
H4 -1.017 0.000 0.674
H5 1.017 0.000 0.674

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.25961.25961.16381.1638
H21.25961.39772.03182.0318
H31.25961.39772.03182.0318
H41.16382.03182.03182.0331
H51.16382.03182.03182.0331

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 67.397 H2 B1 H4 113.891
H2 B1 H5 113.891 H3 B1 H4 113.891
H3 B1 H5 113.891 H4 B1 H5 121.739
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.187      
2 H 0.109      
3 H 0.109      
4 H -0.016      
5 H -0.016      


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 -1.502 1.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.031 0.000 0.000
y 0.000 -7.509 0.000
z 0.000 0.000 -7.776
Traceless
 xyz
x -1.389 0.000 0.000
y 0.000 0.894 0.000
z 0.000 0.000 0.495
Polar
3z2-r20.989
x2-y2-1.522
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.888 0.000 0.000
y 0.000 1.206 0.000
z 0.000 0.000 1.229


<r2> (average value of r2) Å2
<r2> 10.841
(<r2>)1/2 3.293

Conformer 2 (D2D)

Jump to S1C1
Energy calculated at LSDA/STO-3G
 hartrees
Energy at 0K-26.623447
Energy at 298.15K-26.626093
HF Energy-26.623447
Nuclear repulsion energy10.483214
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 LSDA/STO-3G
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 2657 2379 0.00      
2 A1 1313 1176 0.00      
3 B1 1403 1256 0.00      
4 B2 2655 2378 60.42      
5 B2 1045 936 7.03      
6 E 2817 2523 84.06      
6 E 2817 2523 84.06      
7 E 674 604 215.67      
7 E 674 604 215.67      

Unscaled Zero Point Vibrational Energy (zpe) 8027.4 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 7188.6 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 LSDA/STO-3G
ABC
5.11775 5.11775 3.38596

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.000
H2 0.000 1.111 0.447
H3 0.000 -1.111 0.447
H4 -1.111 0.000 -0.447
H5 1.111 0.000 -0.447

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.19771.19771.19771.1977
H21.19772.22261.80791.8079
H31.19772.22261.80791.8079
H41.19771.80791.80792.2226
H51.19771.80791.80792.2226

picture of borohydride state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 136.199 H2 B1 H4 97.997
H2 B1 H5 97.997 H3 B1 H4 97.997
H3 B1 H5 97.997 H4 B1 H5 136.199
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.219      
2 H 0.055      
3 H 0.055      
4 H 0.055      
5 H 0.055      


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 -8.050 0.000 0.000
y 0.000 -8.050 0.000
z 0.000 0.000 -7.872
Traceless
 xyz
x -0.089 0.000 0.000
y 0.000 -0.089 0.000
z 0.000 0.000 0.179
Polar
3z2-r20.358
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 1.627 0.000 0.000
y 0.000 1.627 0.000
z 0.000 0.000 0.968


<r2> (average value of r2) Å2
<r2> 10.729
(<r2>)1/2 3.276