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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: CCSD=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 CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-65.733296
Energy at 298.15K-65.737223
HF Energy-65.447695
Nuclear repulsion energy31.500870
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=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' 3093 3093 16.75      
2 A' 2991 2991 4.43      
3 A' 2575 2575 110.55      
4 A' 1472 1472 1.58      
5 A' 1330 1330 59.23      
6 A' 1252 1252 27.06      
7 A' 1086 1086 59.01      
8 A' 967 967 10.67      
9 A' 562 562 0.90      
10 A" 3144 3144 20.70      
11 A" 2643 2643 158.70      
12 A" 1428 1428 2.92      
13 A" 1064 1064 18.47      
14 A" 675 675 2.09      
15 A" 153 153 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 12217.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12217.5 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 CCSD=FULL/aug-cc-pVDZ
ABC
3.14458 0.70383 0.64308

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 -0.691 0.000
B2 -0.017 0.882 0.000
H3 1.062 -0.967 0.000
H4 -0.450 -1.151 0.903
H5 -0.450 -1.151 -0.903
H6 0.014 1.502 -1.037
H7 0.014 1.502 1.037

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.57291.11381.10181.10182.42552.4255
B21.57292.14092.26622.26621.20851.2085
H31.11382.14091.77011.77012.87522.8752
H41.10182.26621.77011.80593.31882.6961
H51.10182.26621.77011.80592.69613.3188
H62.42551.20852.87523.31882.69612.0744
H72.42551.20852.87522.69613.31882.0744

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.834 C1 B2 H7 120.834
B2 C1 H3 104.361 B2 C1 H4 114.687
B2 C1 H5 114.687 H3 C1 H4 106.052
H3 C1 H5 106.052 H4 C1 H5 110.073
H6 B2 H7 118.243
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability