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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: PBEPBE/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 PBEPBE/3-21G*
 hartrees
Energy at 0K-148.982225
Energy at 298.15K-148.987344
Nuclear repulsion energy71.266321
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 PBEPBE/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' 3601 3433 27.49      
2 A' 3456 3295 20.51      
3 A' 3278 3126 3.12      
4 A' 2921 2785 86.38      
5 A' 1683 1605 204.14      
6 A' 1603 1529 22.48      
7 A' 1346 1284 38.23      
8 A' 1304 1243 29.75      
9 A' 1084 1033 121.77      
10 A' 1038 989 40.60      
11 A' 524 500 20.17      
12 A" 1031 983 0.11      
13 A" 787 750 32.52      
14 A" 584 557 195.97      
15 A" 252 241 197.64      

Unscaled Zero Point Vibrational Energy (zpe) 12245.7 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 11676.2 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 PBEPBE/3-21G*
ABC
2.17922 0.35370 0.30431

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.423 0.000
N2 -1.045 -0.474 0.000
N3 1.232 0.019 0.000
H4 -0.364 1.470 0.000
H5 -2.017 -0.171 0.000
H6 -0.822 -1.472 0.000
H7 1.897 0.820 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.37721.29631.10822.10232.06531.9376
N21.37722.32972.05941.01751.02223.2136
N31.29632.32972.15643.25402.53821.0405
H41.10822.05942.15642.32882.97672.3522
H52.10231.01753.25402.32881.76544.0367
H62.06531.02222.53822.97671.76543.5557
H71.93763.21361.04052.35224.03673.5557

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 122.066 C1 N2 H6 118.050
C1 N3 H7 111.564 N2 C1 N3 121.221
N2 C1 H4 111.456 N3 C1 H4 127.323
H5 N2 H6 119.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.243      
2 N -0.706      
3 N -0.580      
4 H 0.173      
5 H 0.309      
6 H 0.316      
7 H 0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.399 0.966 0.000 2.586
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.366 3.173 0.000
y 3.173 -15.376 0.000
z 0.000 0.000 -20.220
Traceless
 xyz
x 2.432 3.173 0.000
y 3.173 2.417 0.000
z 0.000 0.000 -4.849
Polar
3z2-r2-9.698
x2-y20.010
xy3.173
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.229 0.397 0.000
y 0.397 3.467 0.000
z 0.000 0.000 1.050


<r2> (average value of r2) Å2
<r2> 45.024
(<r2>)1/2 6.710