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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: CISD/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 CISD/3-21G
 hartrees
Energy at 0K-148.531565
Energy at 298.15K-148.536481
Nuclear repulsion energy71.733470
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 CISD/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' 3769 3548 35.03      
2 A' 3635 3421 37.80      
3 A' 3449 3246 1.42      
4 A' 3090 2908 58.33      
5 A' 1768 1664 229.58      
6 A' 1716 1616 13.82      
7 A' 1457 1371 52.01      
8 A' 1376 1296 36.77      
9 A' 1130 1064 167.68      
10 A' 1098 1034 22.10      
11 A' 554 521 20.45      
12 A" 1115 1049 1.81      
13 A" 845 795 48.71      
14 A" 560 527 171.84      
15 A" 79 74 280.22      

Unscaled Zero Point Vibrational Energy (zpe) 12819.8 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 12067.3 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 CISD/3-21G
ABC
2.24109 0.35536 0.30673

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
N2 -1.041 -0.484 0.000
N3 1.224 0.037 0.000
H4 -0.347 1.456 0.000
H5 -2.001 -0.191 0.000
H6 -0.821 -1.468 0.000
H7 1.886 0.819 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.37791.28241.09382.09212.05711.9280
N21.37792.32422.06071.00431.00793.2039
N31.28242.32422.11713.23362.53861.0246
H41.09382.06072.11712.33462.96202.3218
H52.09211.00433.23362.33461.73924.0164
H62.05711.00792.53862.96201.73923.5432
H71.92803.20391.02462.32184.01643.5432

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 122.076 C1 N2 H6 118.312
C1 N3 H7 112.909 N2 C1 N3 121.736
N2 C1 H4 112.461 N3 C1 H4 125.802
H5 N2 H6 119.612
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CISD/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.424      
2 N -0.898      
3 N -0.704      
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> 44.921
(<r2>)1/2 6.702