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All results from a given calculation for BH3NH3 (borane ammonia)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-82.347699
Energy at 298.15K-82.354588
HF Energy-82.165605
Nuclear repulsion energy39.980506
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 MP2/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3408 3242 8.00 71.01 0.02 0.03
2 A1 2503 2381 55.40 108.22 0.04 0.07
3 A1 1407 1339 173.02 5.36 0.18 0.31
4 A1 1232 1172 113.63 9.65 0.72 0.84
5 A1 675 643 12.47 2.82 0.26 0.41
6 A2 261 249 0.00 0.00 0.00 0.00
7 E 3528 3356 35.82 41.17 0.75 0.86
7 E 3528 3356 35.82 41.17 0.75 0.86
8 E 2575 2450 202.04 41.13 0.75 0.86
8 E 2575 2450 202.04 41.13 0.75 0.86
9 E 1774 1688 33.80 11.41 0.75 0.86
9 E 1774 1688 33.80 11.41 0.75 0.86
10 E 1238 1178 7.21 18.14 0.75 0.86
10 E 1238 1178 7.21 18.14 0.75 0.86
11 E 1113 1059 53.48 20.38 0.75 0.86
11 E 1113 1059 53.48 20.38 0.75 0.86
12 E 682 649 2.54 0.86 0.75 0.86
12 E 682 649 2.54 0.86 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 15654.3 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 14891.9 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 MP2/3-21G*
ABC
2.40250 0.56669 0.56669

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.952
N2 0.000 0.000 0.750
H3 0.000 -1.177 -1.257
H4 -1.020 0.589 -1.257
H5 1.020 0.589 -1.257
H6 0.000 0.967 1.092
H7 -0.837 -0.483 1.092
H8 0.837 -0.483 1.092

Atom - Atom Distances (Å)
  B1 N2 H3 H4 H5 H6 H7 H8
B11.70241.21611.21611.21612.26152.26152.2615
N21.70242.32702.32702.32701.02551.02551.0255
H31.21612.32702.03922.03923.18062.58872.5887
H41.21612.32702.03922.03922.58872.58873.1806
H51.21612.32702.03922.03922.58873.18062.5887
H62.26151.02553.18062.58872.58871.67451.6745
H72.26151.02552.58872.58873.18061.67451.6745
H82.26151.02552.58873.18062.58871.67451.6745

picture of borane ammonia state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 N2 H6 109.486 B1 N2 H7 109.486
B1 N2 H8 109.486 N2 B1 H3 104.514
N2 B1 H4 104.514 N2 B1 H5 104.514
H3 B1 H4 113.941 H3 B1 H5 113.941
H4 B1 H5 113.941 H6 N2 H7 109.456
H6 N2 H8 109.456 H7 N2 H8 109.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability