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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-27.368447
Energy at 298.15K-27.373456
HF Energy-27.087665
Nuclear repulsion energy40.060551
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' 3796 3668 36.00      
2 A' 3632 3509 41.59      
3 A' 3469 3352 10.08      
4 A' 3090 2986 80.12      
5 A' 1703 1645 231.49      
6 A' 1630 1575 59.41      
7 A' 1356 1310 53.88      
8 A' 1334 1289 29.70      
9 A' 1107 1069 161.65      
10 A' 1063 1028 0.01      
11 A' 516 499 24.98      
12 A" 1016 981 0.51      
13 A" 791 764 102.17      
14 A" 550 531 190.01      
15 A" 190 183 283.23      

Unscaled Zero Point Vibrational Energy (zpe) 12620.4 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 12195.1 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
2.10218 0.33935 0.29218

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.437 0.000
N2 -1.076 -0.469 0.000
N3 1.260 -0.001 0.000
H4 -0.318 1.499 0.000
H5 -2.040 -0.151 0.000
H6 -0.872 -1.467 0.000
H7 1.939 0.783 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.40601.33401.10882.12332.09371.9699
N21.40602.38272.10861.01541.01903.2646
N31.33402.38272.17673.30412.58791.0370
H41.10882.10862.17672.38543.01722.3673
H52.12331.01543.30412.38541.75984.0877
H62.09371.01902.58793.01721.75983.6009
H71.96993.26461.03702.36734.08773.6009

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 121.700 C1 N2 H6 118.527
C1 N3 H7 111.755 N2 C1 N3 120.800
N2 C1 H4 113.429 N3 C1 H4 125.770
H5 N2 H6 119.773
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 -0.177      
2 N -0.600      
3 N -0.298      
4 H 0.157      
5 H 0.334      
6 H 0.362      
7 H 0.222      


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