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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-148.237766
Energy at 298.15K-148.243166
Nuclear repulsion energy72.629888
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 HF/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' 3920 3550 51.60      
2 A' 3787 3429 44.86      
3 A' 3657 3311 0.77      
4 A' 3234 2929 59.46      
5 A' 1874 1697 293.74      
6 A' 1794 1625 40.18      
7 A' 1543 1397 66.19      
8 A' 1435 1299 49.21      
9 A' 1181 1069 114.13      
10 A' 1146 1038 101.99      
11 A' 584 529 21.02      
12 A" 1222 1107 7.72      
13 A" 892 808 41.72      
14 A" 623 564 306.46      
15 A" 343 311 218.91      

Unscaled Zero Point Vibrational Energy (zpe) 13616.2 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 12330.9 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 HF/3-21G
ABC
2.33327 0.36222 0.31354

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.410 0.000
N2 -1.028 -0.488 0.000
N3 1.208 0.053 0.000
H4 -0.344 1.434 0.000
H5 -1.979 -0.202 0.000
H6 -0.810 -1.460 0.000
H7 1.872 0.812 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.36451.25971.08062.07162.03811.9151
N21.36452.30052.03970.99330.99673.1782
N31.25972.30052.07783.19762.52271.0085
H41.08062.03972.07782.31302.93172.3024
H52.07160.99333.19762.31301.71753.9829
H62.03810.99672.52272.93171.71753.5156
H71.91513.17821.00852.30243.98293.5156

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 122.165 C1 N2 H6 118.509
C1 N3 H7 114.751 N2 C1 N3 122.427
N2 C1 H4 112.543 N3 C1 H4 125.030
H5 N2 H6 119.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.441      
2 N -0.905      
3 N -0.715      
4 H 0.203      
5 H 0.342      
6 H 0.358      
7 H 0.276      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.369 1.542 0.000 2.827
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.239 3.124 0.000
y 3.124 -15.144 0.000
z 0.000 0.000 -20.294
Traceless
 xyz
x 1.480 3.124 0.000
y 3.124 3.122 0.000
z 0.000 0.000 -4.602
Polar
3z2-r2-9.205
x2-y2-1.095
xy3.124
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.799 0.249 0.000
y 0.249 2.887 0.000
z 0.000 0.000 0.951


<r2> (average value of r2) Å2
<r2> 44.151
(<r2>)1/2 6.645