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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-65.886986
Energy at 298.15K-65.890939
HF Energy-65.886986
Nuclear repulsion energy31.771896
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 B1B95/cc-pVDZ
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' 3117 2996 11.40      
2 A' 3001 2885 3.51      
3 A' 2573 2473 119.16      
4 A' 1447 1391 2.08      
5 A' 1307 1257 73.52      
6 A' 1225 1178 12.83      
7 A' 1068 1026 59.43      
8 A' 985 947 13.18      
9 A' 525 505 1.31      
10 A" 3177 3053 11.14      
11 A" 2647 2545 166.35      
12 A" 1395 1341 3.42      
13 A" 1047 1006 19.34      
14 A" 673 647 0.69      
15 A" 196 188 2.09      

Unscaled Zero Point Vibrational Energy (zpe) 12191.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 11718.7 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 B1B95/cc-pVDZ
ABC
3.16743 0.72247 0.65803

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.022 -0.681 0.000
B2 -0.022 0.868 0.000
H3 1.064 -0.920 0.000
H4 -0.428 -1.155 0.903
H5 -0.428 -1.155 -0.903
H6 0.016 1.488 -1.035
H7 0.016 1.488 1.035

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.54891.11171.09721.09722.40382.4038
B21.54892.09162.25162.25161.20761.2076
H31.11172.09161.75931.75932.82272.8227
H41.09722.25161.75931.80533.30712.6829
H51.09722.25161.75931.80532.68293.3071
H62.40381.20762.82273.30712.68292.0710
H72.40381.20762.82272.68293.30712.0710

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.900 C1 B2 H7 120.900
B2 C1 H3 102.409 B2 C1 H4 115.571
B2 C1 H5 115.571 H3 C1 H4 105.580
H3 C1 H5 105.580 H4 C1 H5 110.709
H6 B2 H7 118.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.099      
2 B 0.035      
3 H 0.061      
4 H 0.040      
5 H 0.040      
6 H -0.038      
7 H -0.038      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.140 -0.782 0.000 0.794
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.619 -0.216 0.000
y -0.216 -16.160 0.000
z 0.000 0.000 -15.450
Traceless
 xyz
x 2.186 -0.216 0.000
y -0.216 -1.625 0.000
z 0.000 0.000 -0.561
Polar
3z2-r2-1.121
x2-y22.541
xy-0.216
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.022 -0.034 0.000
y -0.034 4.538 0.000
z 0.000 0.000 3.940


<r2> (average value of r2) Å2
<r2> 29.183
(<r2>)1/2 5.402