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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: B1B95/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/CEP-31G
 hartrees
Energy at 0K-27.764121
Energy at 298.15K-27.769428
Nuclear repulsion energy40.596213
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 B1B95/CEP-31G
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 3824 3661 38.07      
2 A 3658 3503 39.18      
3 A 3544 3393 7.28      
4 A 3081 2950 83.19      
5 A 1723 1650 359.61      
6 A 1630 1561 26.54      
7 A 1382 1323 48.17      
8 A 1326 1270 31.90      
9 A 1100 1053 132.11      
10 A 1058 1013 0.51      
11 A 1049 1005 33.24      
12 A 800 766 65.45      
13 A 605 579 317.51      
14 A 518 496 26.78      
15 A 395 378 170.92      

Unscaled Zero Point Vibrational Energy (zpe) 12846.7 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 12300.7 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 B1B95/CEP-31G
ABC
2.18275 0.34884 0.30077

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.117 0.408 0.000
N2 -1.147 -0.158 -0.000
N3 1.195 -0.331 -0.000
H4 0.099 1.513 0.000
H5 -1.983 0.408 0.000
H6 -1.219 -1.168 0.000
H7 2.062 0.220 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.38441.30681.10522.10022.06611.9536
N21.38442.34772.08401.00941.01313.2302
N31.30682.34772.14503.26252.55451.0270
H41.10522.08402.14502.35772.98762.3503
H52.10021.00943.26252.35771.75114.0490
H62.06611.01312.55452.98761.75113.5618
H71.95363.23021.02702.35034.04903.5618

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 121.850 C1 N2 H6 118.202
C1 N3 H7 113.127 N2 C1 N3 121.441
N2 C1 H4 113.190 N3 C1 H4 125.369
H5 N2 H6 119.948
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.495      
2 N -0.379      
3 N -0.127      
4 H 0.182      
5 H 0.296      
6 H 0.318      
7 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.209 2.251 0.002 3.154
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.945 3.216 -0.004
y 3.216 -17.229 -0.001
z -0.004 -0.001 -20.880
Traceless
 xyz
x 5.110 3.216 -0.004
y 3.216 0.183 -0.001
z -0.004 -0.001 -5.293
Polar
3z2-r2-10.586
x2-y23.284
xy3.216
xz-0.004
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.581 -0.295 0.000
y -0.295 3.446 0.000
z 0.000 0.000 1.793


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000