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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: MP3=FULL/6-31G*

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=FULL/6-31G*
 hartrees
Energy at 0K-65.681033
Energy at 298.15K-65.684967
HF Energy-65.441319
Nuclear repulsion energy31.741926
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=FULL/6-31G*
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' 3152 2957 12.83      
2 A' 3056 2867 2.71      
3 A' 2646 2483 95.72      
4 A' 1541 1446 3.20      
5 A' 1402 1316 60.68      
6 A' 1296 1216 28.83      
7 A' 1126 1056 72.77      
8 A' 993 932 10.28      
9 A' 605 568 0.34      
10 A" 3199 3002 15.73      
11 A" 2721 2553 143.94      
12 A" 1509 1415 4.63      
13 A" 1105 1037 20.77      
14 A" 709 666 0.70      
15 A" 129 121 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 12593.8 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 11816.8 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 MP3=FULL/6-31G*
ABC
3.20089 0.71327 0.65245

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.015 -0.687 0.000
B2 -0.015 0.876 0.000
H3 1.049 -0.978 0.000
H4 -0.456 -1.134 0.895
H5 -0.456 -1.134 -0.895
H6 0.016 1.494 -1.026
H7 0.016 1.494 1.026

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56201.10321.09301.09302.40982.4098
B21.56202.13702.24352.24351.19831.1983
H31.10322.13701.75731.75732.86842.8684
H41.09302.24351.75731.78913.28892.6732
H51.09302.24351.75731.78912.67323.2889
H62.40981.19832.86843.28892.67322.0521
H72.40981.19832.86842.67323.28892.0521

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 121.060 C1 B2 H7 121.060
B2 C1 H3 105.306 B2 C1 H4 114.179
B2 C1 H5 114.179 H3 C1 H4 106.292
H3 C1 H5 106.292 H4 C1 H5 109.860
H6 B2 H7 117.792
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability