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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B2PLYP=FULLultrafine/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/6-311G*
 hartrees
Energy at 0K-65.864700
Energy at 298.15K 
HF Energy-65.781806
Nuclear repulsion energy31.822567
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 B2PLYP=FULLultrafine/6-311G*
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 3097 17.19      
2 A' 2999 2999 4.87      
3 A' 2582 2582 112.23      
4 A' 1515 1515 4.66      
5 A' 1368 1368 71.72      
6 A' 1263 1263 28.10      
7 A' 1101 1101 69.90      
8 A' 976 976 11.70      
9 A' 577 577 0.46      
10 A" 3147 3147 21.80      
11 A" 2652 2652 162.50      
12 A" 1477 1477 5.97      
13 A" 1083 1083 21.10      
14 A" 695 695 1.06      
15 A" 151 151 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 12341.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12341.4 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 B2PLYP=FULLultrafine/6-311G*
ABC
3.21692 0.71798 0.65612

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.683 0.000
B2 -0.018 0.873 0.000
H3 1.050 -0.961 0.000
H4 -0.443 -1.142 0.894
H5 -0.443 -1.142 -0.894
H6 0.015 1.488 -1.025
H7 0.015 1.488 1.025

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55601.10331.09101.09102.40132.4013
B21.55602.12242.24482.24481.19601.1960
H31.10332.12241.74961.74962.85032.8503
H41.09102.24481.74961.78713.28762.6730
H51.09102.24481.74961.78712.67303.2876
H62.40131.19602.85033.28762.67302.0500
H72.40131.19602.85032.67303.28762.0500

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.965 C1 B2 H7 120.965
B2 C1 H3 104.619 B2 C1 H4 114.870
B2 C1 H5 114.870 H3 C1 H4 105.756
H3 C1 H5 105.756 H4 C1 H5 109.972
H6 B2 H7 117.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability