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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-27.589472
Energy at 298.15K-27.594863
HF Energy-27.157109
Nuclear repulsion energy40.599980
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/CEP-31G*
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 3711 3523 25.15      
2 A 3579 3398 22.54      
3 A 3536 3357 3.20      
4 A 3128 2970 61.50      
5 A 1729 1642 240.64      
6 A 1645 1562 34.45      
7 A 1407 1336 17.35      
8 A 1348 1280 24.08      
9 A 1135 1078 86.12      
10 A 1098 1043 29.16      
11 A 1033 981 1.19      
12 A 821 780 26.81      
13 A 663 629 405.13      
14 A 545 517 5.50      
15 A 421 400 105.51      

Unscaled Zero Point Vibrational Energy (zpe) 12899.9 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 12247.1 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/CEP-31G*
ABC
2.10635 0.35013 0.30300

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.122 0.408 -0.002
N2 1.159 -0.150 -0.088
N3 -1.188 -0.343 0.020
H4 -0.116 1.513 -0.022
H5 1.894 0.377 0.381
H6 1.168 -1.148 0.131
H7 -2.016 0.266 -0.002

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.40031.30381.10562.05282.02561.8987
N21.40032.35742.09661.01911.02183.2032
N31.30382.35742.14423.18572.49201.0283
H41.10562.09662.14422.34372.95862.2728
H52.05281.01913.18572.34371.70753.9304
H62.02561.02182.49202.95861.70753.4864
H71.89873.20321.02832.27283.93043.4864

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 115.186 C1 N2 H6 112.569
C1 N3 H7 108.432 N2 C1 N3 121.295
N2 C1 H4 113.057 N3 C1 H4 125.532
H5 N2 H6 113.569
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.261      
2 N -0.535      
3 N -0.298      
4 H 0.162      
5 H 0.320      
6 H 0.348      
7 H 0.264      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000