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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-149.959062
Energy at 298.15K-149.964430
Nuclear repulsion energy72.202818
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*
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 3735 3542 27.92      
2 A 3611 3424 22.65      
3 A 3552 3368 0.37      
4 A 3090 2930 65.29      
5 A 1787 1695 266.54      
6 A 1662 1576 35.92      
7 A 1445 1371 28.83      
8 A 1362 1292 25.82      
9 A 1133 1075 117.80      
10 A 1119 1062 2.42      
11 A 1063 1008 2.70      
12 A 820 777 29.70      
13 A 605 574 254.13      
14 A 554 526 28.80      
15 A 410 389 151.13      

Unscaled Zero Point Vibrational Energy (zpe) 12973.9 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 12303.2 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 mPW1PW91/6-31G*
ABC
2.22370 0.36147 0.31289

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.122 0.393 -0.003
N2 1.135 -0.146 -0.073
N3 -1.169 -0.333 0.017
H4 -0.110 1.490 -0.013
H5 1.898 0.392 0.305
H6 1.180 -1.139 0.112
H7 -1.999 0.254 -0.002

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.37031.27401.09722.04352.01411.8819
N21.37032.31362.05761.00721.01063.1606
N31.27402.31362.10843.16452.48521.0169
H41.09722.05762.10842.31082.93152.2572
H52.04351.00723.16452.31081.70233.9115
H62.01411.01062.48522.93151.70233.4728
H71.88193.16061.01692.25723.91153.4728

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 117.715 C1 N2 H6 114.710
C1 N3 H7 109.959 N2 C1 N3 122.035
N2 C1 H4 112.533 N3 C1 H4 125.376
H5 N2 H6 115.053
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.198      
2 N -0.741      
3 N -0.613      
4 H 0.148      
5 H 0.346      
6 H 0.356      
7 H 0.305      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.737 1.786 0.899 2.649
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.828 -2.760 1.852
y -2.760 -17.021 -0.031
z 1.852 -0.031 -20.119
Traceless
 xyz
x 3.742 -2.760 1.852
y -2.760 0.453 -0.031
z 1.852 -0.031 -4.194
Polar
3z2-r2-8.389
x2-y22.193
xy-2.760
xz1.852
yz-0.031


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.361 0.224 0.029
y 0.224 3.559 0.001
z 0.029 0.001 1.672


<r2> (average value of r2) Å2
<r2> 44.234
(<r2>)1/2 6.651