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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: B3PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-63.850505
Energy at 298.15K-63.851743
HF Energy-63.850505
Nuclear repulsion energy24.086150
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 B3PW91/STO-3G
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 3398 3007 61.73      
2 A1 3174 2809 9.94      
3 A1 1688 1494 49.22      
4 A1 1436 1271 2.38      
5 B1 849 751 38.55      
6 B1 722 639 8.01      
7 B2 3513 3109 15.20      
8 B2 984 870 89.55      
9 B2 497 440 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 8130.6 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 7195.6 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 B3PW91/STO-3G
ABC
9.93337 0.97778 0.89016

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.580
B2 0.000 0.000 -0.778
H3 0.000 0.918 1.178
H4 0.000 -0.918 1.178
H5 0.000 0.000 -1.941

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.35811.09521.09522.5206
B21.35812.16062.16061.1625
H31.09522.16061.83523.2507
H41.09522.16061.83523.2507
H52.52061.16253.25073.2507

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 123.090
B2 C1 H4 123.090 H4 C1 H3 113.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.350      
2 B 0.187      
3 H 0.091      
4 H 0.091      
5 H -0.018      


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 -0.261 0.261
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.097 0.000 0.000
y 0.000 -10.394 0.000
z 0.000 0.000 -11.077
Traceless
 xyz
x -2.361 0.000 0.000
y 0.000 1.693 0.000
z 0.000 0.000 0.668
Polar
3z2-r21.336
x2-y2-2.703
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.476 0.000 0.000
y 0.000 1.406 0.000
z 0.000 0.000 2.958


<r2> (average value of r2) Å2
<r2> 20.467
(<r2>)1/2 4.524