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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-149.977169
Energy at 298.15K-149.982508
Nuclear repulsion energy72.348850
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 mPW1PW91/6-31G(2df,p)
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 3758 3588 33.76      
2 A 3626 3462 25.64      
3 A 3571 3409 2.82      
4 A 3067 2928 56.59      
5 A 1774 1693 260.68      
6 A 1630 1556 33.61      
7 A 1421 1357 25.63      
8 A 1346 1285 26.90      
9 A 1121 1071 112.69      
10 A 1102 1052 7.19      
11 A 1061 1013 1.77      
12 A 817 780 32.09      
13 A 584 557 138.44      
14 A 541 517 46.65      
15 A 394 376 159.68      

Unscaled Zero Point Vibrational Energy (zpe) 12907.2 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 12322.5 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 mPW1PW91/6-31G(2df,p)
ABC
2.24267 0.36248 0.31375

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.123 0.391 -0.002
N2 1.133 -0.147 -0.068
N3 -1.168 -0.332 0.015
H4 -0.109 1.487 -0.008
H5 1.898 0.402 0.278
H6 1.188 -1.136 0.116
H7 -1.996 0.255 0.001

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.36731.27071.09692.04022.01551.8779
N21.36732.30972.05381.00361.00723.1549
N31.27072.30972.10483.16382.49191.0144
H41.09692.05382.10482.30012.92922.2533
H52.04021.00363.16382.30011.70143.9065
H62.01551.00722.49192.92921.70143.4763
H71.87793.15491.01442.25333.90653.4763

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 117.928 C1 N2 H6 115.323
C1 N3 H7 110.030 N2 C1 N3 122.177
N2 C1 H4 112.443 N3 C1 H4 125.332
H5 N2 H6 115.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.098      
2 N -0.522      
3 N -0.489      
4 H 0.113      
5 H 0.276      
6 H 0.280      
7 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.835 1.667 0.740 2.587
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.891 -2.559 1.543
y -2.559 -16.880 -0.039
z 1.543 -0.039 -19.930
Traceless
 xyz
x 3.514 -2.559 1.543
y -2.559 0.530 -0.039
z 1.543 -0.039 -4.044
Polar
3z2-r2-8.088
x2-y21.989
xy-2.559
xz1.543
yz-0.039


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.491 0.164 0.032
y 0.164 3.708 -0.004
z 0.032 -0.004 2.133


<r2> (average value of r2) Å2
<r2> 44.086
(<r2>)1/2 6.640