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All results from a given calculation for CH2BH (methyleneborane)

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-64.282295
Energy at 298.15K-64.283628
HF Energy-64.282295
Nuclear repulsion energy23.869084
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 B1B95/3-21G*
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 3162 3019 14.92      
2 A1 2872 2743 18.55      
3 A1 1539 1470 52.60      
4 A1 1330 1270 9.96      
5 B1 803 767 125.23      
6 B1 721 689 0.21      
7 B2 3224 3079 1.77      
8 B2 967 924 62.91      
9 B2 488 466 7.80      

Unscaled Zero Point Vibrational Energy (zpe) 7553.0 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 7212.4 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 B1B95/3-21G*
ABC
10.00186 0.95151 0.86886

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.592
B2 0.000 0.000 -0.790
H3 0.000 0.914 1.181
H4 0.000 -0.914 1.181
H5 0.000 0.000 -1.965

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.38131.08801.08802.5572
B21.38132.17272.17271.1759
H31.08802.17271.82893.2770
H41.08802.17271.82893.2770
H52.55721.17593.27703.2770

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 122.812
B2 C1 H4 122.812 H4 C1 H3 114.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.866      
2 B 0.349      
3 H 0.218      
4 H 0.218      
5 H 0.081      


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 -0.306 0.306
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.747 0.000 0.000
y 0.000 -11.380 0.000
z 0.000 0.000 -11.472
Traceless
 xyz
x -4.321 0.000 0.000
y 0.000 2.230 0.000
z 0.000 0.000 2.091
Polar
3z2-r24.182
x2-y2-4.367
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.697 0.000 0.000
y 0.000 2.431 0.000
z 0.000 0.000 4.842


<r2> (average value of r2) Å2
<r2> 21.580
(<r2>)1/2 4.645