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 CH3BH2 (methylborane)

using model chemistry: CCSD(T)=FULL/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-65.875753
Energy at 298.15K 
HF Energy-65.470873
Nuclear repulsion energy31.929416
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 CCSD(T)=FULL/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/aug-cc-pVQZ
ABC
3.22722 0.72383 0.66110

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.682 0.000
B2 -0.019 0.870 0.000
H3 1.052 -0.939 0.000
H4 -0.437 -1.140 0.893
H5 -0.437 -1.140 -0.893
H6 0.015 1.480 -1.023
H7 0.015 1.480 1.023

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55151.10091.08761.08762.39172.3917
B21.55152.10192.23882.23881.19161.1916
H31.10092.10191.74781.74782.82352.8235
H41.08762.23881.74781.78623.27732.6620
H51.08762.23881.74781.78622.66203.2773
H62.39171.19162.82353.27732.66202.0459
H72.39171.19162.82352.66203.27732.0459

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.801 C1 B2 H7 120.801
B2 C1 H3 103.527 B2 C1 H4 114.929
B2 C1 H5 114.929 H3 C1 H4 105.996
H3 C1 H5 105.996 H4 C1 H5 110.395
H6 B2 H7 118.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability