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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-65.557917
Energy at 298.15K-65.561822
HF Energy-65.557917
Nuclear repulsion energy31.984358
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 LSDA/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' 3018 2985 5.89      
2 A' 2893 2861 7.70      
3 A' 2511 2484 90.38      
4 A' 1397 1382 5.02      
5 A' 1257 1243 92.06      
6 A' 1181 1168 1.85      
7 A' 1033 1022 45.48      
8 A' 982 971 12.84      
9 A' 468 463 1.52      
10 A" 3079 3045 4.53      
11 A" 2587 2559 116.75      
12 A" 1333 1318 6.14      
13 A" 1017 1006 18.31      
14 A" 653 646 0.31      
15 A" 213 211 3.45      

Unscaled Zero Point Vibrational Energy (zpe) 11809.5 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 11680.7 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 LSDA/cc-pVTZ
ABC
3.17692 0.73930 0.67148

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.026 -0.671 0.000
B2 -0.026 0.856 0.000
H3 1.070 -0.880 0.000
H4 -0.409 -1.160 0.905
H5 -0.409 -1.160 -0.905
H6 0.016 1.474 -1.033
H7 0.016 1.474 1.033

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.52741.11511.09771.09772.38112.3811
B21.52742.05282.24272.24271.20441.2044
H31.11512.05281.75581.75582.77802.7780
H41.09772.24271.75581.81103.29742.6703
H51.09772.24271.75581.81102.67033.2974
H62.38111.20442.77803.29742.67032.0665
H72.38111.20442.77802.67033.29742.0665

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.841 C1 B2 H7 120.841
B2 C1 H3 100.788 B2 C1 H4 116.418
B2 C1 H5 116.418 H3 C1 H4 105.025
H3 C1 H5 105.025 H4 C1 H5 111.158
H6 B2 H7 118.163
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.369      
2 B -0.119      
3 H 0.125      
4 H 0.127      
5 H 0.127      
6 H 0.054      
7 H 0.054      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.174 -0.891 0.000 0.908
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.003 -0.229 0.000
y -0.229 -16.483 0.000
z 0.000 0.000 -15.726
Traceless
 xyz
x 2.102 -0.229 0.000
y -0.229 -1.619 0.000
z 0.000 0.000 -0.483
Polar
3z2-r2-0.966
x2-y22.480
xy-0.229
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.602 -0.041 0.000
y -0.041 5.154 0.000
z 0.000 0.000 4.390


<r2> (average value of r2) Å2
<r2> 29.057
(<r2>)1/2 5.390