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

using model chemistry: MP4=FULL/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 MP4=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-26.554658
Energy at 298.15K-26.556109
HF Energy-26.400293
Nuclear repulsion energy7.474474
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 MP4=FULL/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' 2603 2523        
2 A2" 1167 1131        
3 E' 2733 2649        
3 E' 2732 2649        
4 E' 1231 1193        
4 E' 1230 1193        

Unscaled Zero Point Vibrational Energy (zpe) 5847.9 cm-1
Scaled (by 0.9693) Zero Point Vibrational Energy (zpe) 5668.3 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 MP4=FULL/aug-cc-pVTZ
ABC
7.95514 7.95514 3.97757

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/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 1.184 0.000
H3 1.025 -0.592 0.000
H4 -1.025 -0.592 0.000

Atom - Atom Distances (Å)
  B1 H2 H3 H4
B11.18401.18401.1840
H21.18402.05072.0507
H31.18402.05072.0507
H41.18402.05072.0507

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