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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B2PLYP=FULL/3-21G

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=FULL/3-21G
 hartrees
Energy at 0K-65.456647
Energy at 298.15K-65.460565
HF Energy-65.407873
Nuclear repulsion energy31.637213
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=FULL/3-21G
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' 3097 2948 11.16      
2 A' 3000 2856 4.02      
3 A' 2628 2502 88.55      
4 A' 1559 1484 3.87      
5 A' 1414 1346 58.52      
6 A' 1284 1222 43.22      
7 A' 1120 1066 86.85      
8 A' 974 927 13.98      
9 A' 649 618 0.10      
10 A" 3142 2992 15.69      
11 A" 2701 2572 136.25      
12 A" 1528 1454 5.39      
13 A" 1107 1054 24.83      
14 A" 713 679 0.22      
15 A" 99 94 2.55      

Unscaled Zero Point Vibrational Energy (zpe) 12506.8 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 11906.5 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=FULL/3-21G
ABC
3.19425 0.70605 0.64660

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 -0.690 0.000
B2 -0.014 0.881 0.000
H3 1.048 -1.001 0.000
H4 -0.462 -1.132 0.895
H5 -0.462 -1.132 -0.895
H6 0.013 1.499 -1.026
H7 0.013 1.499 1.026

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.57121.10611.09431.09432.41752.4175
B21.57122.16112.24812.24811.19781.1978
H31.10612.16111.76041.76042.89392.8939
H41.09432.24811.76041.79013.29172.6762
H51.09432.24811.76041.79012.67623.2917
H62.41751.19782.89393.29172.67622.0518
H72.41751.19782.89392.67623.29172.0518

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 121.041 C1 B2 H7 121.041
B2 C1 H3 106.343 B2 C1 H4 113.798
B2 C1 H5 113.798 H3 C1 H4 106.260
H3 C1 H5 106.260 H4 C1 H5 109.753
H6 B2 H7 117.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability