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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: MP2=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-65.745590
Energy at 298.15K-65.749563
HF Energy-65.464543
Nuclear repulsion energy31.898853
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/TZVP
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' 3149 3000 12.16      
2 A' 3039 2895 2.38      
3 A' 2643 2518 108.50      
4 A' 1504 1432 3.61      
5 A' 1355 1291 84.01      
6 A' 1296 1234 15.54      
7 A' 1119 1066 72.03      
8 A' 988 942 12.07      
9 A' 557 531 1.07      
10 A" 3203 3052 13.27      
11 A" 2721 2592 154.78      
12 A" 1456 1387 5.18      
13 A" 1092 1041 18.93      
14 A" 699 666 1.53      
15 A" 168 160 1.39      

Unscaled Zero Point Vibrational Energy (zpe) 12493.7 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 11902.7 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/TZVP
ABC
3.22729 0.72104 0.65915

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.684 0.000
B2 -0.018 0.871 0.000
H3 1.052 -0.941 0.000
H4 -0.442 -1.139 0.893
H5 -0.442 -1.139 -0.893
H6 0.016 1.483 -1.021
H7 0.016 1.483 1.021

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55531.10021.08771.08772.39572.3957
B21.55532.10432.23992.23991.19101.1910
H31.10022.10431.75111.75112.82672.8267
H41.08772.23991.75111.78533.27812.6644
H51.08772.23991.75111.78532.66443.2781
H62.39571.19102.82673.27812.66442.0429
H72.39571.19102.82672.66443.27812.0429

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.892 C1 B2 H7 120.892
B2 C1 H3 103.493 B2 C1 H4 114.722
B2 C1 H5 114.722 H3 C1 H4 106.323
H3 C1 H5 106.323 H4 C1 H5 110.301
H6 B2 H7 118.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability