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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: MP2=FULL/3-21G

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=FULL/3-21G
 hartrees
Energy at 0K-148.546712
Energy at 298.15K-148.551685
HF Energy-148.234436
Nuclear repulsion energy71.330710
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=FULL/3-21G
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 3721 3553 34.28      
2 A 3578 3416 38.54      
3 A 3384 3231 2.22      
4 A 3066 2928 66.04      
5 A 1729 1651 174.68      
6 A 1679 1603 16.29      
7 A 1410 1346 41.29      
8 A 1354 1293 35.95      
9 A 1114 1063 167.54      
10 A 1089 1039 1.36      
11 A 1074 1026 1.30      
12 A 831 794 48.39      
13 A 567 541 144.50      
14 A 543 518 41.80      
15 A 122 117 268.74      

Unscaled Zero Point Vibrational Energy (zpe) 12630.0 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 12059.1 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=FULL/3-21G
ABC
2.19225 0.35250 0.30384

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.121 0.407 -0.002
N2 1.142 -0.155 -0.021
N3 -1.187 -0.333 0.007
H4 -0.090 1.502 -0.007
H5 1.973 0.403 0.095
H6 1.211 -1.164 0.026
H7 -2.047 0.235 -0.003

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.38201.29771.09582.09602.05931.9336
N21.38202.33582.06471.00821.01223.2123
N31.29772.33582.13803.24602.53801.0304
H41.09582.06472.13802.33952.96652.3311
H52.09601.00823.24602.33951.74404.0245
H62.05931.01222.53802.96651.74403.5455
H71.93363.21231.03042.33114.02453.5455

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 121.768 C1 N2 H6 117.832
C1 N3 H7 111.796 N2 C1 N3 121.272
N2 C1 H4 112.364 N3 C1 H4 126.359
H5 N2 H6 119.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2=FULL/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.410      
2 N -0.892      
3 N -0.697      
4 H 0.209      
5 H 0.341      
6 H 0.359      
7 H 0.269      


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> 45.260
(<r2>)1/2 6.728