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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: MP2=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 MP2=FULL/6-311G**
 hartrees
Energy at 0K-65.744272
Energy at 298.15K-65.748247
HF Energy-65.459591
Nuclear repulsion energy31.796114
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/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' 3146 2984 11.94      
2 A' 3035 2879 2.45      
3 A' 2611 2476 109.08      
4 A' 1499 1422 3.34      
5 A' 1344 1275 80.78      
6 A' 1277 1211 18.65      
7 A' 1107 1050 72.26      
8 A' 984 934 11.51      
9 A' 555 527 0.93      
10 A" 3202 3037 13.02      
11 A" 2686 2548 158.03      
12 A" 1453 1378 4.27      
13 A" 1083 1027 20.17      
14 A" 693 658 1.35      
15 A" 176 167 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 12425.1 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 11786.4 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 MP2=FULL/6-311G**
ABC
3.20318 0.71685 0.65506

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.686 0.000
B2 -0.019 0.874 0.000
H3 1.056 -0.938 0.000
H4 -0.441 -1.143 0.897
H5 -0.441 -1.143 -0.897
H6 0.017 1.487 -1.025
H7 0.017 1.487 1.025

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56031.10421.09131.09132.40322.4032
B21.56032.10722.24762.24761.19511.1951
H31.10422.10721.75681.75682.83092.8309
H41.09132.24761.75681.79373.28972.6728
H51.09132.24761.75681.79372.67283.2897
H62.40321.19512.83093.28972.67282.0508
H72.40321.19512.83092.67283.28972.0508

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.853 C1 B2 H7 120.853
B2 C1 H3 103.198 B2 C1 H4 114.760
B2 C1 H5 114.760 H3 C1 H4 106.290
H3 C1 H5 106.290 H4 C1 H5 110.530
H6 B2 H7 118.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability