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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: CID/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/6-31G
 hartrees
Energy at 0K-65.577913
Energy at 298.15K-65.581810
HF Energy-65.415890
Nuclear repulsion energy31.469269
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 CID/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3097 2896 20.69      
2 A' 3010 2815 4.93      
3 A' 2590 2422 99.40      
4 A' 1549 1449 4.18      
5 A' 1431 1338 48.49      
6 A' 1292 1209 46.22      
7 A' 1129 1056 82.03      
8 A' 973 910 11.22      
9 A' 660 617 0.41      
10 A" 3140 2936 26.28      
11 A" 2660 2487 165.37      
12 A" 1522 1423 5.22      
13 A" 1119 1046 23.30      
14 A" 717 671 1.01      
15 A" 84 79 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 12486.0 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 11676.9 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 CID/6-31G
ABC
3.16797 0.69708 0.63899

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.695 0.000
B2 -0.012 0.887 0.000
H3 1.049 -1.018 0.000
H4 -0.473 -1.133 0.896
H5 -0.473 -1.133 -0.896
H6 0.015 1.510 -1.030
H7 0.015 1.510 1.030

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.58131.10881.09881.09882.43362.4336
B21.58132.18002.25672.25671.20461.2046
H31.10882.18001.76941.76942.91902.9190
H41.09882.25671.76941.79273.30652.6904
H51.09882.25671.76941.79272.69043.3065
H62.43361.20462.91903.30652.69042.0610
H72.43361.20462.91902.69043.30652.0610

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 121.155 C1 B2 H7 121.155
B2 C1 H3 106.958 B2 C1 H4 113.488
B2 C1 H5 113.488 H3 C1 H4 106.542
H3 C1 H5 106.542 H4 C1 H5 109.321
H6 B2 H7 117.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability