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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-65.866617
Energy at 298.15K-65.870558
HF Energy-65.866617
Nuclear repulsion energy31.886108
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 PBE1PBE/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' 3090 2969 11.42      
2 A' 2985 2869 4.13      
3 A' 2567 2467 107.76      
4 A' 1467 1410 2.71      
5 A' 1318 1266 73.14      
6 A' 1241 1193 14.33      
7 A' 1078 1036 59.65      
8 A' 981 943 12.25      
9 A' 546 524 0.67      
10 A" 3142 3020 13.09      
11 A" 2637 2534 146.44      
12 A" 1419 1364 4.47      
13 A" 1058 1016 19.41      
14 A" 679 652 0.68      
15 A" 170 164 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 12188.4 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 11713.1 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 PBE1PBE/cc-pVTZ
ABC
3.21089 0.72412 0.66067

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.020 -0.680 0.000
B2 -0.020 0.868 0.000
H3 1.055 -0.938 0.000
H4 -0.434 -1.145 0.896
H5 -0.434 -1.145 -0.896
H6 0.014 1.484 -1.027
H7 0.014 1.484 1.027

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.54841.10451.09091.09092.39602.3960
B21.54842.10102.24192.24191.19801.1980
H31.10452.10101.74941.74942.82892.8289
H41.09092.24191.74941.79193.28792.6703
H51.09092.24191.74941.79192.67033.2879
H62.39601.19802.82893.28792.67032.0535
H72.39601.19802.82892.67033.28792.0535

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 103.473 B2 C1 H4 115.205
B2 C1 H5 115.205 H3 C1 H4 105.662
H3 C1 H5 105.662 H4 C1 H5 110.430
H6 B2 H7 117.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.332      
2 B -0.016      
3 H 0.103      
4 H 0.110      
5 H 0.110      
6 H 0.012      
7 H 0.012      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.106 -0.716 0.000 0.724
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.721 -0.191 0.000
y -0.191 -16.411 0.000
z 0.000 0.000 -15.639
Traceless
 xyz
x 2.304 -0.191 0.000
y -0.191 -1.731 0.000
z 0.000 0.000 -0.573
Polar
3z2-r2-1.145
x2-y22.690
xy-0.191
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.463 -0.030 0.000
y -0.030 4.829 0.000
z 0.000 0.000 4.197


<r2> (average value of r2) Å2
<r2> 29.188
(<r2>)1/2 5.403