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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-65.784196
Energy at 298.15K-65.788237
HF Energy-65.466344
Nuclear repulsion energy32.021451
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 MP2=FULL/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' 3147 2987 8.40      
2 A' 3029 2876 3.89      
3 A' 2643 2509 107.53      
4 A' 1505 1429 2.43      
5 A' 1342 1274 83.47      
6 A' 1283 1218 8.81      
7 A' 1109 1052 69.35      
8 A' 994 943 12.04      
9 A' 552 524 1.03      
10 A" 3197 3035 10.05      
11 A" 2723 2585 150.22      
12 A" 1458 1384 3.65      
13 A" 1085 1031 19.61      
14 A" 688 653 0.94      
15 A" 219 208 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 12485.6 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 11853.8 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 MP2=FULL/cc-pVTZ
ABC
3.25254 0.72691 0.66407

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.020 -0.681 0.000
B2 -0.020 0.869 0.000
H3 1.051 -0.921 0.000
H4 -0.430 -1.142 0.891
H5 -0.430 -1.142 -0.891
H6 0.016 1.475 -1.018
H7 0.016 1.475 1.018

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.54971.09791.08341.08342.38462.3846
B21.54972.08552.23722.23721.18561.1856
H31.09792.08551.74251.74252.80112.8011
H41.08342.23721.74251.78133.26992.6579
H51.08342.23721.74251.78132.65793.2699
H62.38461.18562.80113.26992.65792.0365
H72.38461.18562.80112.65793.26992.0365

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.749 C1 B2 H7 120.749
B2 C1 H3 102.600 B2 C1 H4 115.194
B2 C1 H5 115.194 H3 C1 H4 106.032
H3 C1 H5 106.032 H4 C1 H5 110.585
H6 B2 H7 118.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability