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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: LSDA/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-65.558297
Energy at 298.15K-65.562200
HF Energy-65.558297
Nuclear repulsion energy31.986610
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/aug-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' 3017 2988 6.32      
2 A' 2892 2864 7.18      
3 A' 2510 2486 92.59      
4 A' 1396 1383 5.03      
5 A' 1255 1244 92.56      
6 A' 1180 1169 1.86      
7 A' 1032 1023 44.31      
8 A' 981 972 11.98      
9 A' 467 463 1.23      
10 A" 3077 3048 4.57      
11 A" 2587 2562 119.60      
12 A" 1331 1319 6.65      
13 A" 1016 1006 17.03      
14 A" 653 646 0.44      
15 A" 212 210 3.10      

Unscaled Zero Point Vibrational Energy (zpe) 11802.2 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 11691.2 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 LSDA/aug-cc-pVTZ
ABC
3.17683 0.73947 0.67161

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-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 0.015 1.473 -1.033
H7 0.015 1.473 1.033

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.52731.11511.09771.09772.38072.3807
B21.52732.05282.24262.24261.20431.2043
H31.11512.05281.75571.75572.77792.7779
H41.09772.24261.75571.81103.29702.6697
H51.09772.24261.75571.81102.66973.2970
H62.38071.20432.77793.29702.66972.0666
H72.38071.20432.77792.66973.29702.0666

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.827 C1 B2 H7 120.827
B2 C1 H3 100.800 B2 C1 H4 116.417
B2 C1 H5 116.417 H3 C1 H4 105.019
H3 C1 H5 105.019 H4 C1 H5 111.160
H6 B2 H7 118.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.689      
2 B -0.009      
3 H 0.268      
4 H 0.241      
5 H 0.241      
6 H -0.025      
7 H -0.025      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.164 -0.865 0.000 0.880
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.007 -0.215 0.000
y -0.215 -16.525 0.000
z 0.000 0.000 -15.735
Traceless
 xyz
x 2.123 -0.215 0.000
y -0.215 -1.654 0.000
z 0.000 0.000 -0.468
Polar
3z2-r2-0.936
x2-y22.518
xy-0.215
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.990 -0.056 0.000
y -0.056 5.445 0.000
z 0.000 0.000 4.633


<r2> (average value of r2) Å2
<r2> 29.065
(<r2>)1/2 5.391