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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: PBEPBE/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 PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-65.826051
Energy at 298.15K-65.829927
HF Energy-65.826051
Nuclear repulsion energy31.605089
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 PBEPBE/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' 3017 2999 12.95      
2 A' 2905 2887 4.20      
3 A' 2502 2486 108.71      
4 A' 1397 1388 2.38      
5 A' 1255 1247 78.11      
6 A' 1183 1176 8.36      
7 A' 1038 1032 49.25      
8 A' 962 956 9.94      
9 A' 498 495 0.65      
10 A" 3075 3057 14.00      
11 A" 2577 2561 144.89      
12 A" 1342 1334 4.30      
13 A" 1014 1008 16.83      
14 A" 651 647 0.95      
15 A" 179 178 1.91      

Unscaled Zero Point Vibrational Energy (zpe) 11797.2 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 11725.2 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 PBEPBE/aug-cc-pVDZ
ABC
3.12922 0.71636 0.65209

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.022 -0.683 0.000
B2 -0.022 0.872 0.000
H3 1.071 -0.925 0.000
H4 -0.427 -1.163 0.909
H5 -0.427 -1.163 -0.909
H6 0.013 1.494 -1.042
H7 0.013 1.494 1.042

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55421.12021.10521.10522.41362.4136
B21.55422.10332.26512.26511.21421.2142
H31.12022.10331.76891.76892.83862.8386
H41.10522.26511.76891.81843.32602.6970
H51.10522.26511.76891.81842.69703.3260
H62.41361.21422.83863.32602.69702.0833
H72.41361.21422.83862.69703.32602.0833

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.860 C1 B2 H7 120.860
B2 C1 H3 102.497 B2 C1 H4 115.771
B2 C1 H5 115.771 H3 C1 H4 105.282
H3 C1 H5 105.282 H4 C1 H5 110.704
H6 B2 H7 118.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.760      
2 B -1.172      
3 H -0.244      
4 H -0.316      
5 H -0.316      
6 H 0.644      
7 H 0.644      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.118 -0.767 0.000 0.776
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.017 -0.197 0.000
y -0.197 -16.686 0.000
z 0.000 0.000 -15.911
Traceless
 xyz
x 2.282 -0.197 0.000
y -0.197 -1.722 0.000
z 0.000 0.000 -0.560
Polar
3z2-r2-1.120
x2-y22.669
xy-0.197
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.979 -0.053 0.000
y -0.053 5.463 0.000
z 0.000 0.000 4.663


<r2> (average value of r2) Å2
<r2> 29.668
(<r2>)1/2 5.447