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All results from a given calculation for BH4 (borohydride)

using model chemistry: B1B95/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 B1B95/STO-3G
 hartrees
Energy at 0K-26.762510
Energy at 298.15K 
HF Energy-26.762510
Nuclear repulsion energy10.423681
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/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 3058 2700 5.13      
2 A1 2472 2183 15.65      
3 A1 1488 1314 19.49      
4 A1 1246 1101 0.35      
5 A2 393i 347i 0.00      
6 B1 3192 2819 7.72      
7 B1 1226 1082 0.05      
8 B2 2140 1890 178.11      
9 B2 827 730 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 7627.7 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 6735.3 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/STO-3G
ABC
5.47149 4.43895 3.46683

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.106
H2 0.000 0.707 -0.939
H3 0.000 -0.707 -0.939
H4 -1.014 0.000 0.673
H5 1.014 0.000 0.673

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.26231.26231.16181.1618
H21.26231.41442.03192.0319
H31.26231.41442.03192.0319
H41.16182.03192.03192.0282
H51.16182.03192.03192.0282

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 68.144 H2 B1 H4 113.840
H2 B1 H5 113.840 H3 B1 H4 113.840
H3 B1 H5 113.840 H4 B1 H5 121.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.088      
2 H 0.086      
3 H 0.086      
4 H -0.042      
5 H -0.042      


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 -1.386 1.386
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.224 0.000 0.000
y 0.000 -7.538 0.000
z 0.000 0.000 -8.034
Traceless
 xyz
x -1.438 0.000 0.000
y 0.000 1.091 0.000
z 0.000 0.000 0.346
Polar
3z2-r20.693
x2-y2-1.686
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.905 0.000 0.000
y 0.000 1.279 0.000
z 0.000 0.000 1.254


<r2> (average value of r2) Å2
<r2> 10.947
(<r2>)1/2 3.309

Conformer 2 (D2D)

Jump to S1C1
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-26.765975
Energy at 298.15K-26.768403
HF Energy-26.765975
Nuclear repulsion energy10.487352
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/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 2680 2366 0.00      
2 A1 1331 1176 0.00      
3 B1 1438 1270 0.00      
4 B2 2655 2344 62.70      
5 B2 1086 959 15.86      
6 E 2806 2478 98.42      
6 E 2806 2478 98.42      
7 E 496 438 265.17      
7 E 496 438 265.17      

Unscaled Zero Point Vibrational Energy (zpe) 7896.8 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 6972.9 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 B1B95/STO-3G
ABC
5.11015 5.11015 3.39985

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/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 0.451
H3 0.000 -1.109 0.451
H4 -1.109 0.000 -0.451
H5 1.109 0.000 -0.451

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.19721.19721.19721.1972
H21.19722.21811.80921.8092
H31.19722.21811.80921.8092
H41.19721.80921.80922.2181
H51.19721.80921.80922.2181

picture of borohydride state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 135.748 H2 B1 H4 98.156
H2 B1 H5 98.156 H3 B1 H4 98.156
H3 B1 H5 98.156 H4 B1 H5 135.748
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.130      
2 H 0.032      
3 H 0.032      
4 H 0.032      
5 H 0.032      


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 -8.273 0.000 0.000
y 0.000 -8.273 0.000
z 0.000 0.000 -7.880
Traceless
 xyz
x -0.196 0.000 0.000
y 0.000 -0.196 0.000
z 0.000 0.000 0.393
Polar
3z2-r20.786
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 1.746 0.000 0.000
y 0.000 1.746 0.000
z 0.000 0.000 0.996


<r2> (average value of r2) Å2
<r2> 10.818
(<r2>)1/2 3.289