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All results from a given calculation for BH4 (borohydride)

using model chemistry: mPW1PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-27.146794
Energy at 298.15K-27.149557
HF Energy-27.146794
Nuclear repulsion energy10.365357
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 mPW1PW91/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 2648 2540 32.30      
2 A1 2161 2073 82.37      
3 A1 1406 1349 44.03      
4 A1 1019 978 0.03      
5 A2 714 685 0.00      
6 B1 2768 2655 74.91      
7 B1 1048 1005 0.34      
8 B2 2054 1970 0.30      
9 B2 713 684 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 7264.6 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 6968.2 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 mPW1PW91/cc-pVTZ
ABC
5.88592 4.52232 3.07624

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.149
H2 0.000 0.525 -1.025
H3 0.000 -0.525 -1.025
H4 -1.070 0.000 0.654
H5 1.070 0.000 0.654

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28621.28621.18331.1833
H21.28621.05032.05922.0592
H31.28621.05032.05922.0592
H41.18332.05922.05922.1402
H51.18332.05922.05922.1402

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 48.198 H2 B1 H4 112.933
H2 B1 H5 112.933 H3 B1 H4 112.933
H3 B1 H5 112.933 H4 B1 H5 129.464
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.368      
2 H 0.129      
3 H 0.129      
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 -1.352 1.352
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.284 0.000 0.000
y 0.000 -9.850 0.000
z 0.000 0.000 -8.304
Traceless
 xyz
x -1.206 0.000 0.000
y 0.000 -0.556 0.000
z 0.000 0.000 1.763
Polar
3z2-r23.525
x2-y2-0.434
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.862 0.000 0.000
y 0.000 2.791 0.000
z 0.000 0.000 3.561


<r2> (average value of r2) Å2
<r2> 11.831
(<r2>)1/2 3.440