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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: PBEPBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-149.883087
Energy at 298.15K-149.888349
Nuclear repulsion energy71.829315
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/cc-pVTZ
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 3616 3591 24.78      
2 A 3486 3462 14.66      
3 A 3431 3407 2.00      
4 A 2946 2926 69.84      
5 A 1682 1670 249.93      
6 A 1566 1555 27.39      
7 A 1357 1347 26.11      
8 A 1294 1285 22.47      
9 A 1081 1074 110.13      
10 A 1057 1050 12.52      
11 A 1000 993 0.22      
12 A 774 768 39.66      
13 A 565 561 106.20      
14 A 521 517 44.35      
15 A 379 376 155.45      

Unscaled Zero Point Vibrational Energy (zpe) 12376.7 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 12291.3 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 PBEPBE/cc-pVTZ
ABC
2.20516 0.35799 0.30950

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.122 0.395 -0.001
N2 1.138 -0.150 -0.066
N3 -1.176 -0.334 0.014
H4 -0.106 1.499 -0.007
H5 1.917 0.407 0.262
H6 1.197 -1.148 0.114
H7 -2.012 0.256 -0.001

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.37431.28171.10452.05602.03291.8951
N21.37432.32312.06631.01211.01613.1769
N31.28172.32312.12293.19052.51081.0233
H41.10452.06632.12292.31442.95282.2757
H52.05601.01213.19052.31441.72043.9408
H62.03291.01612.51082.95281.72043.5045
H71.89513.17691.02332.27573.94083.5045

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 118.181 C1 N2 H6 115.710
C1 N3 H7 110.107 N2 C1 N3 121.971
N2 C1 H4 112.481 N3 C1 H4 125.499
H5 N2 H6 116.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.004      
2 N -0.177      
3 N -0.283      
4 H 0.039      
5 H 0.142      
6 H 0.147      
7 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.888 1.617 0.663 2.573
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.208 -2.622 1.438
y -2.622 -17.552 -0.034
z 1.438 -0.034 -20.549
Traceless
 xyz
x 3.842 -2.622 1.438
y -2.622 0.326 -0.034
z 1.438 -0.034 -4.168
Polar
3z2-r2-8.336
x2-y22.344
xy-2.622
xz1.438
yz-0.034


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.158 0.172 0.035
y 0.172 4.396 -0.013
z 0.035 -0.013 2.732


<r2> (average value of r2) Å2
<r2> 44.891
(<r2>)1/2 6.700