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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B2PLYP=FULLultrafine/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-65.868912
Energy at 298.15K 
HF Energy-65.778089
Nuclear repulsion energy31.849384
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/6-31G(2df,p)
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' 3118 3118 11.17      
2 A' 3015 3015 3.73      
3 A' 2624 2624 98.63      
4 A' 1500 1500 1.10      
5 A' 1345 1345 60.40      
6 A' 1273 1273 19.08      
7 A' 1104 1104 68.12      
8 A' 982 982 13.02      
9 A' 559 559 0.81      
10 A" 3170 3170 14.22      
11 A" 2697 2697 135.23      
12 A" 1457 1457 2.82      
13 A" 1076 1076 18.60      
14 A" 688 688 0.63      
15 A" 165 165 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 12386.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12386.1 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/6-31G(2df,p)
ABC
3.22305 0.71908 0.65715

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.683 0.000
B2 -0.019 0.873 0.000
H3 1.052 -0.947 0.000
H4 -0.439 -1.145 0.894
H5 -0.439 -1.145 -0.894
H6 0.015 1.486 -1.023
H7 0.015 1.486 1.023

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55571.10311.09031.09032.39802.3980
B21.55572.11172.24672.24671.19321.1932
H31.10312.11171.74951.74952.83572.8357
H41.09032.24671.74951.78723.28662.6730
H51.09032.24671.74951.78722.67303.2866
H62.39801.19322.83573.28662.67302.0464
H72.39801.19322.83572.67303.28662.0464

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.906 C1 B2 H7 120.906
B2 C1 H3 103.864 B2 C1 H4 115.095
B2 C1 H5 115.095 H3 C1 H4 105.807
H3 C1 H5 105.807 H4 C1 H5 110.084
H6 B2 H7 118.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability