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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: PBEPBEultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-65.846347
Energy at 298.15K-65.850242
HF Energy-65.846347
Nuclear repulsion energy31.750910
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 PBEPBEultrafine/cc-pVTZ
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' 3006 2985 11.54      
2 A' 2898 2878 4.96      
3 A' 2511 2493 104.11      
4 A' 1424 1414 2.27      
5 A' 1272 1263 73.89      
6 A' 1204 1196 11.11      
7 A' 1049 1042 52.48      
8 A' 962 956 12.03      
9 A' 517 513 0.73      
10 A" 3058 3037 13.62      
11 A" 2580 2562 138.65      
12 A" 1371 1362 4.25      
13 A" 1027 1020 17.94      
14 A" 662 657 0.58      
15 A" 173 172 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 11856.2 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 11774.4 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 PBEPBEultrafine/cc-pVTZ
ABC
3.17589 0.72010 0.65642

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.021 -0.681 0.000
B2 -0.021 0.870 0.000
H3 1.063 -0.931 0.000
H4 -0.429 -1.156 0.903
H5 -0.429 -1.156 -0.903
H6 0.013 1.489 -1.032
H7 0.013 1.489 1.032

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55131.11301.09811.09812.40332.4033
B21.55132.10252.25502.25501.20401.2040
H31.11302.10251.75821.75822.83282.8328
H41.09812.25501.75821.80513.30662.6846
H51.09812.25501.75821.80512.68463.3066
H62.40331.20402.83283.30662.68462.0645
H72.40331.20402.83282.68463.30662.0645

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.928 C1 B2 H7 120.928
B2 C1 H3 102.974 B2 C1 H4 115.611
B2 C1 H5 115.611 H3 C1 H4 105.339
H3 C1 H5 105.339 H4 C1 H5 110.546
H6 B2 H7 118.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.308      
2 B -0.020      
3 H 0.102      
4 H 0.105      
5 H 0.105      
6 H 0.008      
7 H 0.008      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.126 -0.789 0.000 0.799
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.892 -0.205 0.000
y -0.205 -16.535 0.000
z 0.000 0.000 -15.784
Traceless
 xyz
x 2.267 -0.205 0.000
y -0.205 -1.697 0.000
z 0.000 0.000 -0.570
Polar
3z2-r2-1.140
x2-y22.643
xy-0.205
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.575 -0.040 0.000
y -0.040 5.102 0.000
z 0.000 0.000 4.345


<r2> (average value of r2) Å2
<r2> 29.427
(<r2>)1/2 5.425