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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: MP3/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/cc-pVDZ
 hartrees
Energy at 0K-65.713019
Energy at 298.15K-65.716971
HF Energy-65.446312
Nuclear repulsion energy31.493370
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 MP3/cc-pVDZ
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' 3142 2978 13.38      
2 A' 3035 2877 2.75      
3 A' 2606 2470 107.54      
4 A' 1480 1402 1.75      
5 A' 1336 1266 67.37      
6 A' 1263 1197 20.32      
7 A' 1098 1040 68.24      
8 A' 976 925 11.48      
9 A' 557 528 0.75      
10 A" 3196 3029 14.23      
11 A" 2679 2540 160.99      
12 A" 1434 1359 2.78      
13 A" 1069 1014 20.13      
14 A" 684 648 1.48      
15 A" 168 160 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 12360.8 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 11716.8 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 MP3/cc-pVDZ
ABC
3.13581 0.70434 0.64321

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.692 0.000
B2 -0.018 0.881 0.000
H3 1.065 -0.954 0.000
H4 -0.447 -1.152 0.905
H5 -0.447 -1.152 -0.905
H6 0.016 1.502 -1.039
H7 0.016 1.502 1.039

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.57281.11431.10201.10202.42752.4275
B21.57282.13072.26652.26651.21061.2106
H31.11432.13071.77261.77262.86552.8655
H41.10202.26651.77261.80993.32222.6977
H51.10202.26651.77261.80992.69773.3222
H62.42751.21062.86553.32222.69772.0773
H72.42751.21062.86552.69773.32222.0773

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.863 C1 B2 H7 120.863
B2 C1 H3 103.606 B2 C1 H4 114.705
B2 C1 H5 114.705 H3 C1 H4 106.220
H3 C1 H5 106.220 H4 C1 H5 110.407
H6 B2 H7 118.172
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability