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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-65.745120
Energy at 298.15K-65.749075
HF Energy-65.464595
Nuclear repulsion energy31.796617
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 CCD/TZVP
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' 3122 2960 16.37      
2 A' 3023 2866 3.79      
3 A' 2624 2488 106.93      
4 A' 1507 1429 2.98      
5 A' 1366 1295 65.06      
6 A' 1293 1226 28.09      
7 A' 1115 1057 68.59      
8 A' 980 929 11.63      
9 A' 573 543 1.30      
10 A" 3171 3006 19.34      
11 A" 2697 2557 155.10      
12 A" 1465 1389 4.45      
13 A" 1093 1036 18.46      
14 A" 698 661 2.06      
15 A" 152 144 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 12438.8 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 11792.0 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 CCD/TZVP
ABC
3.21361 0.71511 0.65425

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 -0.687 0.000
B2 -0.017 0.875 0.000
H3 1.051 -0.959 0.000
H4 -0.450 -1.137 0.893
H5 -0.450 -1.137 -0.893
H6 0.015 1.489 -1.023
H7 0.015 1.489 1.023

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56181.10181.09031.09032.40472.4047
B21.56182.12192.24412.24411.19391.1939
H31.10182.12191.75571.75572.84822.8482
H41.09032.24411.75571.78663.28462.6706
H51.09032.24411.75571.78662.67063.2846
H62.40471.19392.84823.28462.67062.0467
H72.40471.19392.84822.67063.28462.0467

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.955 C1 B2 H7 120.955
B2 C1 H3 104.291 B2 C1 H4 114.423
B2 C1 H5 114.423 H3 C1 H4 106.434
H3 C1 H5 106.434 H4 C1 H5 110.027
H6 B2 H7 117.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability