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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: LSDA/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/cc-pVDZ
 hartrees
Energy at 0K-65.527004
Energy at 298.15K-65.530910
HF Energy-65.527004
Nuclear repulsion energy31.749622
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 LSDA/cc-pVDZ
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' 3036 3003 6.11      
2 A' 2901 2869 6.69      
3 A' 2508 2480 95.87      
4 A' 1374 1359 4.97      
5 A' 1245 1231 82.59      
6 A' 1156 1143 1.61      
7 A' 1022 1011 40.47      
8 A' 977 967 12.80      
9 A' 457 452 3.27      
10 A" 3103 3069 3.59      
11 A" 2588 2560 126.95      
12 A" 1307 1293 4.94      
13 A" 1000 989 17.80      
14 A" 645 638 0.11      
15 A" 234 232 4.00      

Unscaled Zero Point Vibrational Energy (zpe) 11776.4 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 11646.9 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 LSDA/cc-pVDZ
ABC
3.11106 0.73184 0.66346

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.028 -0.675 0.000
B2 -0.028 0.859 0.000
H3 1.082 -0.864 0.000
H4 -0.404 -1.173 0.915
H5 -0.404 -1.173 -0.915
H6 0.017 1.484 -1.046
H7 0.017 1.484 1.046

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.53411.12581.10761.10762.39982.3998
B21.53412.04912.26012.26011.21971.2197
H31.12582.04911.77201.77202.78182.7818
H41.10762.26011.77201.83083.32952.6933
H51.10762.26011.77201.83082.69333.3295
H62.39981.21972.78183.32952.69332.0929
H72.39981.21972.78182.69333.32952.0929

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.824 C1 B2 H7 120.824
B2 C1 H3 99.631 B2 C1 H4 116.712
B2 C1 H5 116.712 H3 C1 H4 105.007
H3 C1 H5 105.007 H4 C1 H5 111.478
H6 B2 H7 118.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.153      
2 B -0.129      
3 H 0.103      
4 H 0.076      
5 H 0.076      
6 H 0.013      
7 H 0.013      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.226 -0.975 0.000 1.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.918 -0.246 0.000
y -0.246 -16.172 0.000
z 0.000 0.000 -15.466
Traceless
 xyz
x 1.901 -0.246 0.000
y -0.246 -1.480 0.000
z 0.000 0.000 -0.421
Polar
3z2-r2-0.842
x2-y22.254
xy-0.246
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.149 -0.046 0.000
y -0.046 4.851 0.000
z 0.000 0.000 4.105


<r2> (average value of r2) Å2
<r2> 29.182
(<r2>)1/2 5.402