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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: BLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-65.916264
Energy at 298.15K-65.920168
HF Energy-65.916264
Nuclear repulsion energy31.733906
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/aug-cc-pVTZ
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' 2980 2970 14.12      
2 A' 2881 2871 6.03      
3 A' 2522 2513 111.52      
4 A' 1443 1438 1.90      
5 A' 1293 1289 65.42      
6 A' 1227 1222 21.71      
7 A' 1068 1065 54.58      
8 A' 950 947 13.34      
9 A' 549 547 0.46      
10 A" 3024 3014 19.42      
11 A" 2585 2576 154.38      
12 A" 1393 1388 4.20      
13 A" 1041 1038 16.85      
14 A" 675 672 1.27      
15 A" 155 155 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 11892.8 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 11852.3 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/aug-cc-pVTZ
ABC
3.19415 0.71575 0.65368

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.683 0.000
B2 -0.019 0.874 0.000
H3 1.058 -0.954 0.000
H4 -0.437 -1.151 0.899
H5 -0.437 -1.151 -0.899
H6 0.012 1.491 -1.027
H7 0.012 1.491 1.027

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55721.11081.09691.09692.40412.4041
B21.55722.12232.25552.25551.19831.1983
H31.11082.12231.75611.75612.85072.8507
H41.09692.25551.75611.79833.30052.6829
H51.09692.25551.75611.79832.68293.3005
H62.40411.19832.85073.30052.68292.0547
H72.40411.19832.85072.68293.30052.0547

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.941 C1 B2 H7 120.941
B2 C1 H3 104.151 B2 C1 H4 115.290
B2 C1 H5 115.290 H3 C1 H4 105.393
H3 C1 H5 105.393 H4 C1 H5 110.120
H6 B2 H7 118.030
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.632      
2 B 0.015      
3 H 0.230      
4 H 0.201      
5 H 0.201      
6 H -0.008      
7 H -0.008      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.096 -0.702 0.000 0.708
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.990 -0.194 0.000
y -0.194 -16.803 0.000
z 0.000 0.000 -16.024
Traceless
 xyz
x 2.424 -0.194 0.000
y -0.194 -1.797 0.000
z 0.000 0.000 -0.627
Polar
3z2-r2-1.254
x2-y22.814
xy-0.194
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.955 -0.048 0.000
y -0.048 5.384 0.000
z 0.000 0.000 4.594


<r2> (average value of r2) Å2
<r2> 29.606
(<r2>)1/2 5.441