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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: CID/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 CID/3-21G
 hartrees
Energy at 0K-148.528391
Energy at 298.15K-148.533253
Nuclear repulsion energy71.784079
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 CID/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' 3778 3520 34.99      
2 A' 3645 3395 37.86      
3 A' 3457 3220 1.37      
4 A' 3097 2885 56.23      
5 A' 1777 1656 228.44      
6 A' 1723 1605 17.11      
7 A' 1465 1365 47.81      
8 A' 1379 1284 36.52      
9 A' 1134 1056 163.23      
10 A' 1102 1026 26.27      
11 A' 556 518 20.63      
12 A" 1120 1043 2.00      
13 A" 848 790 49.33      
14 A" 555 517 170.12      
15 A" 50 46 284.50      

Unscaled Zero Point Vibrational Energy (zpe) 12841.6 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 11963.3 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 CID/3-21G
ABC
2.24731 0.35570 0.30709

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.418 0.000
N2 -1.040 -0.485 0.000
N3 1.223 0.039 0.000
H4 -0.346 1.455 0.000
H5 -2.000 -0.192 0.000
H6 -0.820 -1.468 0.000
H7 1.883 0.822 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.37741.28051.09352.09102.05691.9262
N21.37742.32312.06061.00381.00733.2023
N31.28052.32312.11393.23152.53921.0242
H41.09352.06062.11392.33412.96162.3178
H52.09101.00383.23152.33411.73794.0136
H62.05691.00732.53922.96161.73793.5434
H71.92623.20231.02422.31784.01363.5434

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 122.049 C1 N2 H6 118.377
C1 N3 H7 112.921 N2 C1 N3 121.816
N2 C1 H4 112.507 N3 C1 H4 125.677
H5 N2 H6 119.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CID/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.425      
2 N -0.899      
3 N -0.705      
4 H 0.206      
5 H 0.342      
6 H 0.359      
7 H 0.272      


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> 44.881
(<r2>)1/2 6.699