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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: MP3=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-65.734239
Energy at 298.15K-65.738188
HF Energy-65.451947
Nuclear repulsion energy31.730751
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/6-311G*
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' 3123 3123 14.22      
2 A' 3024 3024 2.93      
3 A' 2580 2580 102.59      
4 A' 1520 1520 6.01      
5 A' 1377 1377 70.21      
6 A' 1263 1263 27.67      
7 A' 1111 1111 65.09      
8 A' 980 980 10.41      
9 A' 585 585 0.48      
10 A" 3175 3175 16.56      
11 A" 2654 2654 150.29      
12 A" 1487 1487 6.75      
13 A" 1090 1090 21.54      
14 A" 699 699 0.95      
15 A" 149 149 1.46      

Unscaled Zero Point Vibrational Energy (zpe) 12407.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12407.2 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/6-311G*
ABC
3.19689 0.71303 0.65167

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 -0.687 0.000
B2 -0.017 0.876 0.000
H3 1.051 -0.967 0.000
H4 -0.448 -1.140 0.895
H5 -0.448 -1.140 -0.895
H6 0.015 1.494 -1.029
H7 0.015 1.494 1.029

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56281.10371.09201.09202.41132.4113
B21.56282.12972.24722.24721.20061.2006
H31.10372.12971.75461.75462.86112.8611
H41.09202.24721.75461.79033.29402.6769
H51.09202.24721.75461.79032.67693.2940
H62.41131.20062.86113.29402.67692.0582
H72.41131.20062.86112.67693.29402.0582

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.958 C1 B2 H7 120.958
B2 C1 H3 104.694 B2 C1 H4 114.491
B2 C1 H5 114.491 H3 C1 H4 106.092
H3 C1 H5 106.092 H4 C1 H5 110.110
H6 B2 H7 117.994
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability