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All results from a given calculation for BH4 (borohydride)

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-26.746473
Energy at 298.15K 
HF Energy-26.746473
Nuclear repulsion energy10.431601
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 PBE1PBE/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 3069 2707 4.34      
2 A1 2490 2197 13.75      
3 A1 1490 1315 21.17      
4 A1 1243 1096 0.01      
5 A2 418i 369i 0.00      
6 B1 3203 2825 6.82      
7 B1 1232 1086 0.00      
8 B2 2165 1909 182.35      
9 B2 823 726 1.08      

Unscaled Zero Point Vibrational Energy (zpe) 7647.6 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 6745.9 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 PBE1PBE/STO-3G
ABC
5.48885 4.45332 3.46360

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 0.703 -0.940
H3 0.000 -0.703 -0.940
H4 -1.015 0.000 0.673
H5 1.015 0.000 0.673

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.26011.26011.16241.1624
H21.26011.40502.03082.0308
H31.26011.40502.03082.0308
H41.16242.03082.03082.0299
H51.16242.03082.03082.0299

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 67.765 H2 B1 H4 113.865
H2 B1 H5 113.865 H3 B1 H4 113.865
H3 B1 H5 113.865 H4 B1 H5 121.667
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.112      
2 H 0.093      
3 H 0.093      
4 H -0.037      
5 H -0.037      


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 -1.429 1.429
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.191 0.000 0.000
y 0.000 -7.531 0.000
z 0.000 0.000 -7.964
Traceless
 xyz
x -1.443 0.000 0.000
y 0.000 1.047 0.000
z 0.000 0.000 0.397
Polar
3z2-r20.793
x2-y2-1.660
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.896 0.000 0.000
y 0.000 1.278 0.000
z 0.000 0.000 1.248


<r2> (average value of r2) Å2
<r2> 10.915
(<r2>)1/2 3.304

Conformer 2 (D2D)

Jump to S1C1
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-26.750153
Energy at 298.15K-26.752594
HF Energy-26.750153
Nuclear repulsion energy10.493662
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 PBE1PBE/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 2692 2375 0.00      
2 A1 1340 1182 0.00      
3 B1 1444 1274 0.00      
4 B2 2677 2361 63.71      
5 B2 1088 959 13.59      
6 E 2830 2497 98.09      
6 E 2830 2497 98.09      
7 E 503 444 276.13      
7 E 503 444 276.13      

Unscaled Zero Point Vibrational Energy (zpe) 7954.0 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 7016.2 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 PBE1PBE/STO-3G
ABC
5.11997 5.11997 3.40040

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 1.109 0.449
H3 0.000 -1.109 0.449
H4 -1.109 0.000 -0.449
H5 1.109 0.000 -0.449

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.19651.19651.19651.1965
H21.19652.21791.80751.8075
H31.19652.21791.80751.8075
H41.19651.80751.80752.2179
H51.19651.80751.80752.2179

picture of borohydride state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 135.890 H2 B1 H4 98.106
H2 B1 H5 98.106 H3 B1 H4 98.106
H3 B1 H5 98.106 H4 B1 H5 135.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.154      
2 H 0.038      
3 H 0.038      
4 H 0.038      
5 H 0.038      


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 -8.214 0.000 0.000
y 0.000 -8.214 0.000
z 0.000 0.000 -7.877
Traceless
 xyz
x -0.169 0.000 0.000
y 0.000 -0.169 0.000
z 0.000 0.000 0.337
Polar
3z2-r20.674
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 1.736 0.000 0.000
y 0.000 1.736 0.000
z 0.000 0.000 0.993


<r2> (average value of r2) Å2
<r2> 10.787
(<r2>)1/2 3.284