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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-65.915738
Energy at 298.15K-65.919647
HF Energy-65.915738
Nuclear repulsion energy31.733079
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 BLYP/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' 2982 2973 14.24      
2 A' 2882 2873 6.50      
3 A' 2524 2516 107.80      
4 A' 1444 1440 1.67      
5 A' 1295 1292 63.91      
6 A' 1228 1225 20.29      
7 A' 1069 1066 56.11      
8 A' 952 949 13.59      
9 A' 551 549 0.47      
10 A" 3027 3018 20.02      
11 A" 2587 2579 148.93      
12 A" 1395 1391 3.69      
13 A" 1043 1040 17.86      
14 A" 676 674 0.97      
15 A" 157 156 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 11905.7 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 11870.0 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 BLYP/cc-pVTZ
ABC
3.19428 0.71569 0.65366

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.683 0.000
B2 -0.019 0.874 0.000
H3 1.058 -0.954 0.000
H4 -0.437 -1.151 0.899
H5 -0.437 -1.151 -0.899
H6 0.012 1.491 -1.027
H7 0.012 1.491 1.027

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55721.11081.09691.09692.40432.4043
B21.55722.12222.25552.25551.19831.1983
H31.11082.12221.75631.75632.85082.8508
H41.09692.25551.75631.79843.30062.6832
H51.09692.25551.75631.79842.68323.3006
H62.40431.19832.85083.30062.68322.0542
H72.40431.19832.85082.68323.30062.0542

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.959 C1 B2 H7 120.959
B2 C1 H3 104.139 B2 C1 H4 115.283
B2 C1 H5 115.283 H3 C1 H4 105.408
H3 C1 H5 105.408 H4 C1 H5 110.119
H6 B2 H7 117.992
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.313      
2 B -0.005      
3 H 0.091      
4 H 0.097      
5 H 0.097      
6 H 0.016      
7 H 0.016      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.104 -0.728 0.000 0.735
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.955 -0.203 0.000
y -0.203 -16.735 0.000
z 0.000 0.000 -15.989
Traceless
 xyz
x 2.407 -0.203 0.000
y -0.203 -1.764 0.000
z 0.000 0.000 -0.644
Polar
3z2-r2-1.287
x2-y22.781
xy-0.203
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.559 -0.039 0.000
y -0.039 5.056 0.000
z 0.000 0.000 4.328


<r2> (average value of r2) Å2
<r2> 29.579
(<r2>)1/2 5.439