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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: MP2/CEP-121G*

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-121G*
 hartrees
Energy at 0K-27.627121
Energy at 298.15K-27.632552
HF Energy-27.166291
Nuclear repulsion energy40.821810
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-121G*
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 3692 3517 20.66      
2 A 3560 3392 18.01      
3 A 3516 3350 2.94      
4 A 3112 2965 55.14      
5 A 1721 1640 206.12      
6 A 1651 1573 42.30      
7 A 1416 1349 22.65      
8 A 1356 1292 21.46      
9 A 1143 1089 80.12      
10 A 1099 1047 36.33      
11 A 1041 992 1.82      
12 A 827 788 25.62      
13 A 682 650 399.64      
14 A 552 526 6.14      
15 A 430 410 89.13      

Unscaled Zero Point Vibrational Energy (zpe) 12898.9 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 12290.0 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-121G*
ABC
2.12468 0.35430 0.30653

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.123 0.407 -0.001
N2 1.154 -0.149 -0.089
N3 -1.179 -0.342 0.019
H4 -0.120 1.504 -0.020
H5 1.884 0.375 0.380
H6 1.158 -1.141 0.137
H7 -2.007 0.259 -0.002

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.39531.29461.09752.04322.01361.8902
N21.39532.34292.08851.01441.01713.1885
N31.29462.34292.12853.16642.47201.0240
H41.09752.08852.12852.33522.94192.2607
H52.04321.01443.16642.33521.69873.9119
H62.01361.01712.47202.94191.69873.4636
H71.89023.18851.02402.26073.91193.4636

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 115.058 C1 N2 H6 112.216
C1 N3 H7 108.655 N2 C1 N3 121.105
N2 C1 H4 113.282 N3 C1 H4 125.490
H5 N2 H6 113.478
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.004      
2 N -0.664      
3 N -0.474      
4 H 0.147      
5 H 0.344      
6 H 0.360      
7 H 0.292      


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