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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: CCSD(T)/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)/aug-cc-pVQZ
 hartrees
Energy at 0K-65.817133
Energy at 298.15K 
HF Energy-65.470885
Nuclear repulsion energy31.822520
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)/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/aug-cc-pVQZ
ABC
3.21157 0.71789 0.65588

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.685 0.000
B2 -0.018 0.874 0.000
H3 1.053 -0.948 0.000
H4 -0.440 -1.143 0.895
H5 -0.440 -1.143 -0.895
H6 0.015 1.486 -1.026
H7 0.015 1.486 1.026

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55831.10321.09001.09002.40072.4007
B21.55832.11312.24592.24591.19501.1950
H31.10322.11311.75151.75152.83752.8375
H41.09002.24591.75151.78923.28682.6705
H51.09002.24591.75151.78922.67053.2868
H62.40071.19502.83753.28682.67052.0518
H72.40071.19502.83752.67053.28682.0518

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.800 C1 B2 H7 120.800
B2 C1 H3 103.796 B2 C1 H4 114.848
B2 C1 H5 114.848 H3 C1 H4 105.999
H3 C1 H5 105.999 H4 C1 H5 110.324
H6 B2 H7 118.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability