return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-65.856843
Energy at 298.15K-65.860787
HF Energy-65.776529
Nuclear repulsion energy31.828195
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=FULL/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' 3132 3132 14.17      
2 A' 3032 3032 3.78      
3 A' 2635 2635 103.14      
4 A' 1518 1518 1.40      
5 A' 1370 1370 63.68      
6 A' 1288 1288 24.02      
7 A' 1114 1114 76.00      
8 A' 984 984 11.68      
9 A' 578 578 0.51      
10 A" 3183 3183 17.81      
11 A" 2708 2708 152.89      
12 A" 1475 1475 2.96      
13 A" 1088 1088 19.90      
14 A" 698 698 0.76      
15 A" 149 149 1.64      

Unscaled Zero Point Vibrational Energy (zpe) 12475.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12475.1 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=FULL/6-31G**
ABC
3.22264 0.71709 0.65574

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 -0.684 0.000
B2 -0.017 0.874 0.000
H3 1.050 -0.960 0.000
H4 -0.445 -1.140 0.893
H5 -0.445 -1.140 -0.893
H6 0.015 1.488 -1.022
H7 0.015 1.488 1.022

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55831.10181.09031.09032.40132.4013
B21.55832.12172.24412.24411.19311.1931
H31.10182.12171.75081.75082.84782.8478
H41.09032.24411.75081.78673.28442.6710
H51.09032.24411.75081.78672.67103.2844
H62.40131.19312.84783.28442.67102.0446
H72.40131.19312.84782.67103.28442.0446

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.991 C1 B2 H7 120.991
B2 C1 H3 104.497 B2 C1 H4 114.679
B2 C1 H5 114.679 H3 C1 H4 106.010
H3 C1 H5 106.010 H4 C1 H5 110.041
H6 B2 H7 117.925
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability