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All results from a given calculation for NH3 (Ammonia)

using model chemistry: B2PLYP/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP/daug-cc-pVDZ
 hartrees
Energy at 0K-56.509934
Energy at 298.15K-56.512592
HF Energy-56.444456
Nuclear repulsion energy11.889885
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/daug-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 A1 3473 3473 4.93 179.34 0.02 0.03
2 A1 1040 1040 134.82 1.96 0.30 0.47
3 E 3611 3611 3.39 40.02 0.75 0.86
3 E 3611 3611 3.39 40.07 0.75 0.86
4 E 1655 1655 14.67 0.99 0.75 0.86
4 E 1655 1655 14.67 0.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7522.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7522.4 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 B2PLYP/daug-cc-pVDZ
ABC
9.85222 9.85222 6.28042

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/daug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.116
H2 0.000 0.942 -0.270
H3 0.816 -0.471 -0.270
H4 -0.816 -0.471 -0.270

Atom - Atom Distances (Å)
  N1 H2 H3 H4
N11.01791.01791.0179
H21.01791.63201.6320
H31.01791.63201.6320
H41.01791.63201.6320

picture of Ammonia state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 H3 106.570 H2 N1 H4 106.570
H3 N1 H4 106.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.207      
2 H 0.069      
3 H 0.069      
4 H 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.525 1.525
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.445 0.000 0.000
y 0.000 -6.445 0.000
z 0.000 0.000 -9.576
Traceless
 xyz
x 1.566 0.000 0.000
y 0.000 1.566 0.000
z 0.000 0.000 -3.131
Polar
3z2-r2-6.262
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.079 0.000 0.000
y 0.000 2.079 0.000
z 0.000 0.000 2.381


<r2> (average value of r2) Å2
<r2> 7.652
(<r2>)1/2 2.766