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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: CID/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 CID/6-311G*
 hartrees
Energy at 0K-65.683513
Energy at 298.15K-65.687467
HF Energy-65.452010
Nuclear repulsion energy31.730359
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/6-311G*
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' 3135 2913 16.55      
2 A' 3041 2826 3.50      
3 A' 2591 2407 106.39      
4 A' 1534 1425 5.43      
5 A' 1394 1295 65.89      
6 A' 1274 1184 31.19      
7 A' 1119 1040 68.51      
8 A' 981 912 10.72      
9 A' 598 556 0.43      
10 A" 3184 2958 19.64      
11 A" 2662 2473 159.39      
12 A" 1502 1396 6.27      
13 A" 1099 1021 21.87      
14 A" 703 653 1.17      
15 A" 142 132 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 12479.5 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 11594.7 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/6-311G*
ABC
3.20443 0.71178 0.65085

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 -0.687 0.000
B2 -0.016 0.877 0.000
H3 1.048 -0.974 0.000
H4 -0.451 -1.138 0.893
H5 -0.451 -1.138 -0.893
H6 0.014 1.494 -1.028
H7 0.014 1.494 1.028

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56451.10201.09111.09112.41202.4120
B21.56452.13532.24712.24711.19961.1996
H31.10202.13531.75261.75262.86692.8669
H41.09112.24711.75261.78643.29232.6768
H51.09112.24711.75261.78642.67683.2923
H62.41201.19962.86693.29232.67682.0564
H72.41201.19962.86692.67683.29232.0564

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.962 C1 B2 H7 120.962
B2 C1 H3 105.083 B2 C1 H4 114.420
B2 C1 H5 114.420 H3 C1 H4 106.098
H3 C1 H5 106.098 H4 C1 H5 109.900
H6 B2 H7 117.994
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability