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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-65.935568
Energy at 298.15K-65.939481
HF Energy-65.935568
Nuclear repulsion energy31.644632
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 B3LYP/LANL2DZ
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' 3090 2971 24.31      
2 A' 2985 2870 6.98      
3 A' 2575 2475 116.49      
4 A' 1501 1442 9.37      
5 A' 1374 1321 99.70      
6 A' 1225 1178 22.01      
7 A' 1111 1068 46.27      
8 A' 983 945 11.94      
9 A' 633 609 3.96      
10 A" 3148 3026 35.10      
11 A" 2656 2553 159.64      
12 A" 1465 1408 11.29      
13 A" 1082 1040 19.49      
14 A" 701 674 0.94      
15 A" 118 113 4.30      

Unscaled Zero Point Vibrational Energy (zpe) 12323.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 11845.1 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 B3LYP/LANL2DZ
ABC
3.18830 0.70839 0.64816

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 -0.688 0.000
B2 -0.014 0.879 0.000
H3 1.053 -0.990 0.000
H4 -0.455 -1.136 0.899
H5 -0.455 -1.136 -0.899
H6 0.007 1.498 -1.026
H7 0.007 1.498 1.026

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56731.10911.09661.09662.41522.4152
B21.56732.15242.25022.25021.19831.1983
H31.10912.15241.76131.76132.88732.8873
H41.09662.25021.76131.79773.29522.6777
H51.09662.25021.76131.79772.67773.2952
H62.41521.19832.88733.29522.67772.0516
H72.41521.19832.88732.67773.29522.0516

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 121.107 C1 B2 H7 121.107
B2 C1 H3 105.788 B2 C1 H4 114.112
B2 C1 H5 114.112 H3 C1 H4 105.977
H3 C1 H5 105.977 H4 C1 H5 110.104
H6 B2 H7 117.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.666      
2 B -0.176      
3 H 0.208      
4 H 0.212      
5 H 0.212      
6 H 0.104      
7 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.177 -0.702 0.000 0.724
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.640 -0.141 0.000
y -0.141 -15.962 0.000
z 0.000 0.000 -15.360
Traceless
 xyz
x 2.021 -0.141 0.000
y -0.141 -1.462 0.000
z 0.000 0.000 -0.558
Polar
3z2-r2-1.117
x2-y22.322
xy-0.141
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.689 -0.009 0.000
y -0.009 3.846 0.000
z 0.000 0.000 3.232


<r2> (average value of r2) Å2
<r2> 29.363
(<r2>)1/2 5.419