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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: QCISD(TQ)=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(TQ)=FULL/cc-pVTZ
 hartrees
Energy at 0K-65.827871
Energy at 298.15K 
HF Energy-65.466427
Nuclear repulsion energy31.928195
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 QCISD(TQ)=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(TQ)=FULL/cc-pVTZ
ABC
3.23174 0.72281 0.66043

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.020 -0.683 0.000
B2 -0.020 0.871 0.000
H3 1.054 -0.929 0.000
H4 -0.434 -1.143 0.893
H5 -0.434 -1.143 -0.893
H6 0.017 1.479 -1.021
H7 0.017 1.479 1.021

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55391.10121.08681.08682.39132.3913
B21.55392.09552.24192.24191.18911.1891
H31.10122.09551.74861.74862.81332.8133
H41.08682.24191.74861.78613.27782.6638
H51.08682.24191.74861.78612.66383.2778
H62.39131.18912.81333.27782.66382.0424
H72.39131.18912.81332.66383.27782.0424

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.752 C1 B2 H7 120.752
B2 C1 H3 102.897 B2 C1 H4 115.050
B2 C1 H5 115.050 H3 C1 H4 106.102
H3 C1 H5 106.102 H4 C1 H5 110.512
H6 B2 H7 118.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability