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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B2PLYP=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-65.859766
Energy at 298.15K-65.863705
HF Energy-65.778692
Nuclear repulsion energy31.812530
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/6-31+G**
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' 3121 2968 16.04      
2 A' 3019 2871 3.80      
3 A' 2625 2496 118.97      
4 A' 1505 1432 3.76      
5 A' 1360 1294 77.54      
6 A' 1280 1217 23.92      
7 A' 1109 1055 71.73      
8 A' 979 931 12.07      
9 A' 571 543 0.51      
10 A" 3172 3016 18.22      
11 A" 2695 2563 176.67      
12 A" 1462 1390 5.74      
13 A" 1083 1030 19.73      
14 A" 695 661 1.39      
15 A" 150 143 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 12412.5 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 11804.2 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/6-31+G**
ABC
3.21633 0.71678 0.65535

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 -0.685 0.000
B2 -0.017 0.874 0.000
H3 1.051 -0.959 0.000
H4 -0.445 -1.140 0.894
H5 -0.445 -1.140 -0.894
H6 0.015 1.488 -1.023
H7 0.015 1.488 1.023

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55871.10291.09121.09122.40162.4016
B21.55872.12162.24532.24531.19371.1937
H31.10292.12161.75251.75252.84752.8475
H41.09122.24531.75251.78863.28592.6714
H51.09122.24531.75251.78862.67143.2859
H62.40161.19372.84753.28592.67142.0467
H72.40161.19372.84752.67143.28592.0467

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.941 C1 B2 H7 120.941
B2 C1 H3 104.402 B2 C1 H4 114.696
B2 C1 H5 114.696 H3 C1 H4 106.016
H3 C1 H5 106.016 H4 C1 H5 110.080
H6 B2 H7 118.026
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability