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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: CCSD/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 CCSD/TZVP
 hartrees
Energy at 0K-65.746601
Energy at 298.15K-65.750552
HF Energy-65.464579
Nuclear repulsion energy31.787035
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 CCSD/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' 3112 2970 16.90      
2 A' 3014 2876 4.30      
3 A' 2617 2497 107.00      
4 A' 1504 1436 2.82      
5 A' 1363 1301 64.67      
6 A' 1290 1231 27.89      
7 A' 1113 1062 67.45      
8 A' 979 934 11.56      
9 A' 571 545 1.28      
10 A" 3160 3016 20.47      
11 A" 2688 2565 155.91      
12 A" 1462 1395 4.36      
13 A" 1091 1041 18.28      
14 A" 696 665 2.07      
15 A" 151 144 1.08      

Unscaled Zero Point Vibrational Energy (zpe) 12404.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 11838.6 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 CCSD/TZVP
ABC
3.21022 0.71494 0.65402

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/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 1.052 -0.959 0.000
H4 -0.450 -1.138 0.894
H5 -0.450 -1.138 -0.894
H6 0.015 1.489 -1.024
H7 0.015 1.489 1.024

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56181.10241.09091.09092.40522.4052
B21.56182.12232.24482.24481.19451.1945
H31.10242.12231.75641.75642.84872.8487
H41.09092.24481.75641.78773.28592.6713
H51.09092.24481.75641.78772.67133.2859
H62.40521.19452.84873.28592.67132.0479
H72.40521.19452.84872.67133.28592.0479

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.946 C1 B2 H7 120.946
B2 C1 H3 104.280 B2 C1 H4 114.437
B2 C1 H5 114.437 H3 C1 H4 106.412
H3 C1 H5 106.412 H4 C1 H5 110.044
H6 B2 H7 118.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability