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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: TPSSh/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-65.956961
Energy at 298.15K-65.960884
HF Energy-65.956961
Nuclear repulsion energy31.667825
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 TPSSh/aug-cc-pVDZ
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' 3062 2962 19.44      
2 A' 2958 2861 6.06      
3 A' 2570 2486 117.93      
4 A' 1465 1417 1.46      
5 A' 1318 1275 66.88      
6 A' 1246 1205 19.69      
7 A' 1081 1046 55.91      
8 A' 970 939 12.98      
9 A' 536 519 0.76      
10 A" 3115 3013 24.67      
11 A" 2640 2553 163.85      
12 A" 1415 1369 3.16      
13 A" 1060 1025 17.10      
14 A" 672 650 1.42      
15 A" 165 160 1.25      

Unscaled Zero Point Vibrational Energy (zpe) 12136.7 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 11739.8 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 TPSSh/aug-cc-pVDZ
ABC
3.16688 0.71430 0.65176

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.020 -0.684 0.000
B2 -0.020 0.875 0.000
H3 1.062 -0.947 0.000
H4 -0.438 -1.153 0.902
H5 -0.438 -1.153 -0.902
H6 0.014 1.492 -1.034
H7 0.014 1.492 1.034

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55901.11281.09911.09912.40992.4099
B21.55902.11872.25862.25861.20481.2048
H31.11282.11871.76171.76172.84922.8492
H41.09912.25861.76171.80353.30922.6873
H51.09912.25861.76171.80352.68733.3092
H62.40991.20482.84923.30922.68732.0679
H72.40991.20482.84922.68733.30922.0679

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.837 C1 B2 H7 120.837
B2 C1 H3 103.672 B2 C1 H4 115.265
B2 C1 H5 115.265 H3 C1 H4 105.589
H3 C1 H5 105.589 H4 C1 H5 110.259
H6 B2 H7 118.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.554      
2 B -0.600      
3 H -0.212      
4 H -0.270      
5 H -0.270      
6 H 0.399      
7 H 0.399      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.085 -0.656 0.000 0.662
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.819 -0.043 0.000
y -0.043 5.162 0.000
z 0.000 0.000 4.459


<r2> (average value of r2) Å2
<r2> 29.519
(<r2>)1/2 5.433