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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B2PLYP=FULL/aug-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 B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-65.856594
Energy at 298.15K-65.860528
HF Energy-65.774600
Nuclear repulsion energy31.694932
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/aug-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' 3100 2982 14.56      
2 A' 2993 2878 4.39      
3 A' 2584 2485 112.75      
4 A' 1463 1407 2.06      
5 A' 1320 1269 71.32      
6 A' 1247 1199 17.69      
7 A' 1086 1045 59.49      
8 A' 975 938 11.13      
9 A' 550 529 0.67      
10 A" 3154 3034 17.77      
11 A" 2655 2553 158.14      
12 A" 1414 1360 3.74      
13 A" 1062 1021 18.32      
14 A" 679 653 1.55      
15 A" 162 156 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 12221.3 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 11754.5 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/aug-cc-pVDZ
ABC
3.17283 0.71498 0.65260

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.685 0.000
B2 -0.019 0.874 0.000
H3 1.060 -0.949 0.000
H4 -0.440 -1.149 0.901
H5 -0.440 -1.149 -0.901
H6 0.014 1.491 -1.032
H7 0.014 1.491 1.032

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55901.11081.09751.09752.40872.4087
B21.55902.11902.25462.25461.20321.2032
H31.11082.11901.76111.76112.84912.8491
H41.09752.25461.76111.80133.30382.6825
H51.09752.25461.76111.80132.68253.3038
H62.40871.20322.84913.30382.68252.0648
H72.40871.20322.84912.68253.30382.0648

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.849 C1 B2 H7 120.849
B2 C1 H3 103.797 B2 C1 H4 115.039
B2 C1 H5 115.039 H3 C1 H4 105.786
H3 C1 H5 105.786 H4 C1 H5 110.289
H6 B2 H7 118.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability