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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: MP3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/cc-pVTZ
 hartrees
Energy at 0K-65.783488
Energy at 298.15K-65.787452
HF Energy-65.466554
Nuclear repulsion energy31.837803
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 MP3/cc-pVTZ
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' 3126 2953 11.74      
2 A' 3021 2854 3.48      
3 A' 2608 2464 108.07      
4 A' 1499 1416 2.13      
5 A' 1345 1270 68.89      
6 A' 1277 1207 18.94      
7 A' 1103 1042 66.43      
8 A' 979 925 12.26      
9 A' 566 535 0.79      
10 A" 3178 3002 14.16      
11 A" 2681 2533 153.67      
12 A" 1455 1375 3.42      
13 A" 1079 1019 19.88      
14 A" 689 651 1.28      
15 A" 165 156 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 12385.6 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 11700.7 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 MP3/cc-pVTZ
ABC
3.22592 0.71668 0.65520

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.686 0.000
B2 -0.018 0.875 0.000
H3 1.050 -0.952 0.000
H4 -0.441 -1.141 0.892
H5 -0.441 -1.141 -0.892
H6 0.014 1.487 -1.023
H7 0.014 1.487 1.023

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56041.10021.08751.08752.40212.4021
B21.56042.11542.24442.24441.19311.1931
H31.10022.11541.74801.74802.84062.8406
H41.08752.24441.74801.78473.28372.6701
H51.08752.24441.74801.78472.67013.2837
H62.40211.19312.84063.28372.67012.0469
H72.40211.19312.84062.67013.28372.0469

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.887 C1 B2 H7 120.887
B2 C1 H3 103.985 B2 C1 H4 114.730
B2 C1 H5 114.730 H3 C1 H4 106.072
H3 C1 H5 106.072 H4 C1 H5 110.278
H6 B2 H7 118.137
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability