return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B2PLYP/aug-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 B2PLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-65.854961
Energy at 298.15K-65.858893
HF Energy-65.774593
Nuclear repulsion energy31.684776
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 B2PLYP/aug-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' 3098 3098 14.62      
2 A' 2991 2991 4.41      
3 A' 2582 2582 112.89      
4 A' 1463 1463 2.04      
5 A' 1319 1319 71.20      
6 A' 1247 1247 17.77      
7 A' 1086 1086 59.48      
8 A' 974 974 11.16      
9 A' 550 550 0.67      
10 A" 3152 3152 17.88      
11 A" 2653 2653 158.43      
12 A" 1414 1414 3.71      
13 A" 1062 1062 18.32      
14 A" 679 679 1.56      
15 A" 161 161 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 12215.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12215.2 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 B2PLYP/aug-cc-pVDZ
ABC
3.17107 0.71447 0.65214

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.685 0.000
B2 -0.019 0.875 0.000
H3 1.060 -0.950 0.000
H4 -0.441 -1.149 0.901
H5 -0.441 -1.149 -0.901
H6 0.014 1.492 -1.033
H7 0.014 1.492 1.033

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55961.11111.09781.09782.40942.4094
B21.55962.12012.25532.25531.20351.2035
H31.11112.12011.76161.76162.85052.8505
H41.09782.25531.76161.80183.30472.6832
H51.09782.25531.76161.80182.68323.3047
H62.40941.20352.85053.30472.68322.0654
H72.40941.20352.85052.68323.30472.0654

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.847 C1 B2 H7 120.847
B2 C1 H3 103.825 B2 C1 H4 115.030
B2 C1 H5 115.030 H3 C1 H4 105.782
H3 C1 H5 105.782 H4 C1 H5 110.289
H6 B2 H7 118.210
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.783      
2 B -0.912      
3 H -0.282      
4 H -0.335      
5 H -0.335      
6 H 0.540      
7 H 0.540      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.079 -0.614 0.000 0.619
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.947 -0.178 0.000
y -0.178 -16.797 0.000
z 0.000 0.000 -15.993
Traceless
 xyz
x 2.448 -0.178 0.000
y -0.178 -1.827 0.000
z 0.000 0.000 -0.621
Polar
3z2-r2-1.242
x2-y22.850
xy-0.178
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.809 -0.040 0.000
y -0.040 5.068 0.000
z 0.000 0.000 4.435


<r2> (average value of r2) Å2
<r2> 29.639
(<r2>)1/2 5.444