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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-64.288082
Energy at 298.15K-64.289373
HF Energy-64.288082
Nuclear repulsion energy23.683679
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3054 3037 10.89      
2 A1 2814 2799 14.63      
3 A1 1489 1481 45.98      
4 A1 1302 1294 8.27      
5 B1 758 754 99.69      
6 B1 673 670 2.44      
7 B2 3103 3086 0.36      
8 B2 954 949 49.95      
9 B2 485 482 7.29      

Unscaled Zero Point Vibrational Energy (zpe) 7315.9 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 7275.6 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/3-21G
ABC
9.88117 0.93649 0.85542

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.595
B2 0.000 0.000 -0.796
H3 0.000 0.920 1.194
H4 0.000 -0.920 1.194
H5 0.000 0.000 -1.978

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.39181.09781.09782.5738
B21.39182.19312.19311.1819
H31.09782.19311.84003.3034
H41.09782.19311.84003.3034
H52.57381.18193.30343.3034

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 123.066
B2 C1 H4 123.066 H4 C1 H3 113.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.755      
2 B 0.300      
3 H 0.184      
4 H 0.184      
5 H 0.087      


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 -0.171 0.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.710 0.000 0.000
y 0.000 -11.499 0.000
z 0.000 0.000 -11.556
Traceless
 xyz
x -4.183 0.000 0.000
y 0.000 2.134 0.000
z 0.000 0.000 2.049
Polar
3z2-r24.097
x2-y2-4.211
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.711 0.000 0.000
y 0.000 2.500 0.000
z 0.000 0.000 4.882


<r2> (average value of r2) Å2
<r2> 21.829
(<r2>)1/2 4.672