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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: MP4/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-65.748753
Energy at 298.15K-65.752710
HF Energy-65.459482
Nuclear repulsion energy31.668603
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 MP4/6-311G**
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' 3094 3000        
2 A' 2989 2898        
3 A' 2583 2505        
4 A' 1492 1447        
5 A' 1339 1298        
6 A' 1266 1228        
7 A' 1099 1066        
8 A' 970 941        
9 A' 555 538        
10 A" 3147 3051        
11 A" 2655 2574        
12 A" 1448 1405        
13 A" 1076 1043        
14 A" 686 665        
15 A" 171 165        

Unscaled Zero Point Vibrational Energy (zpe) 12284.4 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 11912.2 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 MP4/6-311G**
ABC
3.18062 0.71044 0.64952

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.690 0.000
B2 -0.018 0.878 0.000
H3 1.059 -0.947 0.000
H4 -0.445 -1.146 0.900
H5 -0.445 -1.146 -0.900
H6 0.017 1.493 -1.028
H7 0.017 1.493 1.028

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56761.10821.09551.09552.41272.4127
B21.56762.11982.25572.25571.19841.1984
H31.10822.11981.76441.76442.84552.8455
H41.09552.25571.76441.79973.30062.6820
H51.09552.25571.76441.79972.68203.3006
H62.41271.19842.84553.30062.68202.0563
H72.41271.19842.84552.68203.30062.0563

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.857 C1 B2 H7 120.857
B2 C1 H3 103.449 B2 C1 H4 114.618
B2 C1 H5 114.618 H3 C1 H4 106.381
H3 C1 H5 106.381 H4 C1 H5 110.449
H6 B2 H7 118.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability