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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: BLYP/6-311G**

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/6-311G**
 hartrees
Energy at 0K-65.908804
Energy at 298.15K-65.912710
HF Energy-65.908804
Nuclear repulsion energy31.678583
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/6-311G**
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 2968 16.74      
2 A' 2881 2870 6.76      
3 A' 2513 2503 112.04      
4 A' 1446 1440 2.48      
5 A' 1297 1292 66.47      
6 A' 1221 1216 23.02      
7 A' 1067 1063 61.00      
8 A' 951 947 12.96      
9 A' 553 551 0.58      
10 A" 3027 3015 22.83      
11 A" 2577 2567 154.86      
12 A" 1398 1392 4.28      
13 A" 1041 1037 18.46      
14 A" 676 674 0.95      
15 A" 157 156 2.10      

Unscaled Zero Point Vibrational Energy (zpe) 11891.8 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 11845.4 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 BLYP/6-311G**
ABC
3.18075 0.71362 0.65174

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.684 0.000
B2 -0.019 0.876 0.000
H3 1.061 -0.955 0.000
H4 -0.439 -1.153 0.901
H5 -0.439 -1.153 -0.901
H6 0.013 1.493 -1.029
H7 0.013 1.493 1.029

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55941.11341.09951.09952.40742.4074
B21.55942.12552.25932.25931.20001.2000
H31.11342.12551.76071.76072.85432.8543
H41.09952.25931.76071.80303.30592.6869
H51.09952.25931.76071.80302.68693.3059
H62.40741.20002.85433.30592.68692.0575
H72.40741.20002.85432.68693.30592.0575

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.937 C1 B2 H7 120.937
B2 C1 H3 104.105 B2 C1 H4 115.266
B2 C1 H5 115.266 H3 C1 H4 105.429
H3 C1 H5 105.429 H4 C1 H5 110.148
H6 B2 H7 118.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.398      
2 B 0.126      
3 H 0.113      
4 H 0.112      
5 H 0.112      
6 H -0.033      
7 H -0.033      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.121 -0.711 0.000 0.721
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.947 -0.209 0.000
y -0.209 -16.715 0.000
z 0.000 0.000 -15.951
Traceless
 xyz
x 2.386 -0.209 0.000
y -0.209 -1.766 0.000
z 0.000 0.000 -0.619
Polar
3z2-r2-1.239
x2-y22.768
xy-0.209
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.161 -0.037 0.000
y -0.037 4.870 0.000
z 0.000 0.000 4.227


<r2> (average value of r2) Å2
<r2> 29.627
(<r2>)1/2 5.443