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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-65.660739
Energy at 298.15K-65.664676
HF Energy-65.441387
Nuclear repulsion energy31.728651
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' 3162 2921 14.70      
2 A' 3070 2836 3.13      
3 A' 2656 2453 99.35      
4 A' 1552 1434 2.95      
5 A' 1416 1308 57.62      
6 A' 1304 1204 32.71      
7 A' 1132 1045 76.02      
8 A' 993 917 10.36      
9 A' 616 569 0.31      
10 A" 3208 2964 17.99      
11 A" 2729 2521 152.29      
12 A" 1520 1404 4.38      
13 A" 1112 1027 21.18      
14 A" 712 657 0.89      
15 A" 124 115 1.25      

Unscaled Zero Point Vibrational Energy (zpe) 12652.4 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 11687.0 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
3.20614 0.71131 0.65095

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 -0.015 -0.687 0.000
B2 -0.015 0.877 0.000
H3 1.047 -0.984 0.000
H4 -0.458 -1.134 0.893
H5 -0.458 -1.134 -0.893
H6 0.015 1.495 -1.026
H7 0.015 1.495 1.026

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56481.10191.09221.09222.41152.4115
B21.56482.14252.24462.24461.19751.1975
H31.10192.14251.75571.75572.87392.8739
H41.09222.24461.75571.78623.28842.6740
H51.09222.24461.75571.78622.67403.2884
H62.41151.19752.87393.28842.67402.0511
H72.41151.19752.87392.67403.28842.0511

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 121.043 C1 B2 H7 121.043
B2 C1 H3 105.599 B2 C1 H4 114.115
B2 C1 H5 114.115 H3 C1 H4 106.298
H3 C1 H5 106.298 H4 C1 H5 109.718
H6 B2 H7 117.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability