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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-64.656578
Energy at 298.15K-64.657772
HF Energy-64.656578
Nuclear repulsion energy23.874307
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 mPW1PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3188 3023 9.29      
2 A1 2869 2721 25.03      
3 A1 1539 1459 52.36      
4 A1 1298 1231 4.81      
5 B1 737 699 82.03      
6 B1 636 603 11.70      
7 B2 3257 3089 0.77      
8 B2 924 876 52.18      
9 B2 423 401 4.12      

Unscaled Zero Point Vibrational Energy (zpe) 7434.8 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 7050.5 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 mPW1PW91/6-31G*
ABC
9.93553 0.95287 0.86949

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.593
B2 0.000 0.000 -0.789
H3 0.000 0.917 1.176
H4 0.000 -0.917 1.176
H5 0.000 0.000 -1.966

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38131.08721.08722.5586
B21.38132.16832.16831.1773
H31.08722.16831.83503.2731
H41.08722.16831.83503.2731
H52.55861.17733.27313.2731

picture of methyleneborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H5 180.000 B2 C1 H3 122.450
B2 C1 H4 122.450 H4 C1 H3 115.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.575      
2 B 0.133      
3 H 0.192      
4 H 0.192      
5 H 0.057      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.453 0.453
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.382 0.000 0.000
y 0.000 -11.191 0.000
z 0.000 0.000 -11.053
Traceless
 xyz
x -4.260 0.000 0.000
y 0.000 2.027 0.000
z 0.000 0.000 2.233
Polar
3z2-r24.466
x2-y2-4.191
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.885 0.000 0.000
y 0.000 2.536 0.000
z 0.000 0.000 5.027


<r2> (average value of r2) Å2
<r2> 21.365
(<r2>)1/2 4.622