return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for BH3 (boron trihydride)

using model chemistry: mPW1PW91/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-26.604349
Energy at 298.15K-26.605793
HF Energy-26.604349
Nuclear repulsion energy7.436133
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/aug-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' 2563 2456 0.00      
2 A2" 1150 1102 79.41      
3 E' 2698 2585 123.01      
3 E' 2698 2585 123.03      
4 E' 1197 1147 12.35      
4 E' 1197 1147 12.35      

Unscaled Zero Point Vibrational Energy (zpe) 5751.2 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 5510.3 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 mPW1PW91/aug-cc-pVTZ
ABC
7.86527 7.86527 3.93264

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.000
H2 0.000 1.191 0.000
H3 1.031 -0.595 0.000
H4 -1.031 -0.595 0.000

Atom - Atom Distances (Å)
  B1 H2 H3 H4
B11.19071.19071.1907
H21.19072.06242.0624
H31.19072.06242.0624
H41.19072.06242.0624

picture of boron trihydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 120.000 H2 B1 H4 120.000
H3 B1 H4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.126      
2 H 0.042      
3 H 0.042      
4 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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.270 0.000 0.000
y 0.000 -9.270 0.000
z 0.000 0.000 -7.163
Traceless
 xyz
x -1.053 0.000 0.000
y 0.000 -1.053 0.000
z 0.000 0.000 2.107
Polar
3z2-r24.213
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 2.818 0.000 0.000
y 0.000 2.818 0.000
z 0.000 0.000 2.156


<r2> (average value of r2) Å2
<r2> 9.605
(<r2>)1/2 3.099