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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: MP2=FULL/cc-pVQZ

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-pVQZ
 hartrees
Energy at 0K-65.830715
Energy at 298.15K-65.834703
HF Energy-65.470732
Nuclear repulsion energy32.034488
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-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3152 3017 8.83      
2 A' 3037 2906 2.74      
3 A' 2636 2523 107.31      
4 A' 1497 1433 2.60      
5 A' 1341 1283 84.22      
6 A' 1283 1228 7.86      
7 A' 1105 1057 66.99      
8 A' 993 951 12.45      
9 A' 553 530 0.83      
10 A" 3209 3072 9.31      
11 A" 2714 2597 149.17      
12 A" 1449 1387 4.11      
13 A" 1081 1034 19.21      
14 A" 693 663 1.03      
15 A" 184 176 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 12463.7 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 11929.0 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-pVQZ
ABC
3.25249 0.72805 0.66490

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.680 0.000
B2 -0.019 0.867 0.000
H3 1.048 -0.931 0.000
H4 -0.433 -1.139 0.890
H5 -0.433 -1.139 -0.890
H6 0.016 1.475 -1.019
H7 0.016 1.475 1.019

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.54741.09671.08321.08322.38462.3846
B21.54742.09122.23342.23341.18751.1875
H31.09672.09121.74031.74032.80972.8097
H41.08322.23341.74031.78003.26822.6556
H51.08322.23341.74031.78002.65563.2682
H62.38461.18752.80973.26822.65562.0387
H72.38461.18752.80972.65563.26822.0387

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.800 C1 B2 H7 120.800
B2 C1 H3 103.211 B2 C1 H4 115.063
B2 C1 H5 115.063 H3 C1 H4 105.935
H3 C1 H5 105.935 H4 C1 H5 110.493
H6 B2 H7 118.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability