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All results from a given calculation for CH3BH2 (methylborane)

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

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/aug-cc-pVDZ
 hartrees
Energy at 0K-65.741448
Energy at 298.15K 
HF Energy-65.447564
Nuclear repulsion energy31.467497
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/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD(TQ)=FULL/aug-cc-pVDZ
ABC
3.13569 0.70287 0.64201

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.691 0.000
B2 -0.018 0.883 0.000
H3 1.065 -0.962 0.000
H4 -0.447 -1.155 0.905
H5 -0.447 -1.155 -0.905
H6 0.014 1.502 -1.039
H7 0.014 1.502 1.039

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.57391.11621.10341.10342.42722.4272
B21.57392.13902.27012.27011.20981.2098
H31.11622.13901.77231.77232.87322.8732
H41.10342.27011.77231.81003.32412.7000
H51.10342.27011.77231.81002.70003.3241
H62.42721.20982.87323.32412.70002.0770
H72.42721.20982.87322.70003.32412.0770

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.815 C1 B2 H7 120.815
B2 C1 H3 104.039 B2 C1 H4 114.831
B2 C1 H5 114.831 H3 C1 H4 105.965
H3 C1 H5 105.965 H4 C1 H5 110.205
H6 B2 H7 118.277
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability