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

using model chemistry: QCISD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-83.002661
Energy at 298.15K-83.009518
HF Energy-82.629276
Nuclear repulsion energy40.614738
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 QCISD/6-31G(2df,p)
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 3518 3333 7.51      
2 A1 2508 2376 63.38      
3 A1 1359 1288 122.81      
4 A1 1229 1165 117.11      
5 A1 673 638 12.10      
6 A2 263 249 0.00      
7 E 3638 3447 37.28      
7 E 3638 3447 37.28      
8 E 2578 2442 194.60      
8 E 2578 2442 194.60      
9 E 1698 1609 26.84      
9 E 1698 1609 26.84      
10 E 1231 1166 4.89      
10 E 1231 1166 4.89      
11 E 1091 1034 32.46      
11 E 1091 1034 32.46      
12 E 654 620 3.36      
12 E 654 620 3.36      

Unscaled Zero Point Vibrational Energy (zpe) 15665.6 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 14841.6 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 QCISD/6-31G(2df,p)
ABC
2.46560 0.59032 0.59032

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.930
N2 0.000 0.000 0.726
H3 0.000 -1.168 -1.237
H4 -1.012 0.584 -1.237
H5 1.012 0.584 -1.237
H6 0.000 0.947 1.092
H7 -0.820 -0.473 1.092
H8 0.820 -0.473 1.092

Atom - Atom Distances (Å)
  B1 N2 H3 H4 H5 H6 H7 H8
B11.65681.20771.20771.20772.23312.23312.2331
N21.65682.28432.28432.28431.01501.01501.0150
H31.20772.28432.02342.02343.14582.56472.5647
H41.20772.28432.02342.02342.56472.56473.1458
H51.20772.28432.02342.02342.56473.14582.5647
H62.23311.01503.14582.56472.56471.64001.6400
H72.23311.01502.56472.56473.14581.64001.6400
H82.23311.01502.56473.14582.56471.64001.6400

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 111.114 B1 N2 H7 111.114
B1 N2 H8 111.114 N2 B1 H3 104.687
N2 B1 H4 104.687 N2 B1 H5 104.687
H3 B1 H4 113.802 H3 B1 H5 113.802
H4 B1 H5 113.802 H6 N2 H7 107.780
H6 N2 H8 107.780 H7 N2 H8 107.780
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability