return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: B3LYP/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 B3LYP/CEP-31G
 hartrees
Energy at 0K-27.804817
Energy at 298.15K-27.810058
Nuclear repulsion energy40.443600
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 B3LYP/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' 3775 3656 29.84      
2 A' 3614 3500 31.36      
3 A' 3485 3375 7.80      
4 A' 3054 2957 82.55      
5 A' 1695 1642 333.01      
6 A' 1624 1573 15.46      
7 A' 1370 1327 60.21      
8 A' 1321 1279 29.79      
9 A' 1095 1060 152.41      
10 A' 1048 1015 18.15      
11 A' 520 504 24.95      
12 A" 1044 1011 1.65      
13 A" 792 767 70.70      
14 A" 579 561 266.65      
15 A" 353 342 196.31      

Unscaled Zero Point Vibrational Energy (zpe) 12684.8 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 12283.9 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 B3LYP/CEP-31G
ABC
2.16316 0.34616 0.29841

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.427 0.000
N2 -1.062 -0.473 0.000
N3 1.245 0.014 0.000
H4 -0.327 1.484 0.000
H5 -2.024 -0.159 0.000
H6 -0.853 -1.467 0.000
H7 1.922 0.792 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.39151.31171.10642.10752.07751.9560
N21.39152.35712.08971.01271.01623.2400
N31.31172.35712.15263.27382.56801.0311
H41.10642.08972.15262.36182.99762.3533
H52.10751.01273.27382.36181.75614.0590
H62.07751.01622.56802.99761.75613.5779
H71.95603.24001.03112.35334.05903.5779

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 121.668 C1 N2 H6 118.447
C1 N3 H7 112.661 N2 C1 N3 121.348
N2 C1 H4 113.067 N3 C1 H4 125.585
H5 N2 H6 119.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.484      
2 N -0.366      
3 N -0.128      
4 H 0.188      
5 H 0.285      
6 H 0.308      
7 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.739 1.546 0.000 3.145
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.159 3.510 0.000
y 3.510 -15.361 0.000
z 0.000 0.000 -21.033
Traceless
 xyz
x 2.039 3.510 0.000
y 3.510 3.235 0.000
z 0.000 0.000 -5.273
Polar
3z2-r2-10.547
x2-y2-0.797
xy3.510
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.694 0.330 0.000
y 0.330 3.546 0.000
z 0.000 0.000 1.812


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