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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: CCSD/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/aug-cc-pVDZ
 hartrees
Energy at 0K-65.728192
Energy at 298.15K-65.732114
HF Energy-65.447629
Nuclear repulsion energy31.468195
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/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' 3087 2974 16.97      
2 A' 2986 2877 4.56      
3 A' 2569 2475 110.94      
4 A' 1470 1416 1.53      
5 A' 1328 1280 58.78      
6 A' 1250 1205 27.42      
7 A' 1086 1046 58.89      
8 A' 965 929 10.74      
9 A' 562 541 0.92      
10 A" 3138 3023 21.04      
11 A" 2637 2540 159.55      
12 A" 1427 1375 2.86      
13 A" 1063 1024 18.45      
14 A" 675 650 2.13      
15 A" 151 146 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 12196.8 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 11750.4 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/aug-cc-pVDZ
ABC
3.13881 0.70223 0.64164

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 -0.692 0.000
B2 -0.017 0.883 0.000
H3 1.062 -0.970 0.000
H4 -0.450 -1.152 0.904
H5 -0.450 -1.152 -0.904
H6 0.014 1.503 -1.038
H7 0.014 1.503 1.038

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.57481.11481.10281.10282.42792.4279
B21.57482.14452.26832.26831.20951.2095
H31.11482.14451.77151.77152.87952.8795
H41.10282.26831.77151.80753.32172.6983
H51.10282.26831.77151.80752.69833.3217
H62.42791.20952.87953.32172.69832.0764
H72.42791.20952.87952.69833.32172.0764

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.827 C1 B2 H7 120.827
B2 C1 H3 104.453 B2 C1 H4 114.659
B2 C1 H5 114.659 H3 C1 H4 106.041
H3 C1 H5 106.041 H4 C1 H5 110.068
H6 B2 H7 118.260
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability