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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-149.928048
Energy at 298.15K-149.933413
Nuclear repulsion energy72.272762
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 B1B95/6-31G*
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 3732 3543 26.92      
2 A 3607 3425 22.37      
3 A 3546 3366 0.41      
4 A 3088 2932 64.63      
5 A 1790 1699 267.88      
6 A 1657 1573 37.00      
7 A 1443 1370 26.47      
8 A 1358 1289 25.32      
9 A 1129 1072 117.28      
10 A 1116 1060 2.15      
11 A 1061 1007 2.94      
12 A 818 777 27.96      
13 A 606 576 256.79      
14 A 551 523 26.22      
15 A 411 390 146.63      

Unscaled Zero Point Vibrational Energy (zpe) 12957.4 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 12300.5 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 B1B95/6-31G*
ABC
2.22656 0.36226 0.31358

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.122 0.393 -0.003
N2 1.134 -0.146 -0.073
N3 -1.167 -0.333 0.018
H4 -0.111 1.489 -0.014
H5 1.895 0.391 0.309
H6 1.178 -1.138 0.112
H7 -1.997 0.254 -0.002

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.36931.27231.09622.04162.01151.8794
N21.36932.31122.05581.00671.01013.1575
N31.27232.31122.10623.16042.48111.0164
H41.09622.05582.10622.30922.92832.2542
H52.04161.00673.16042.30921.70053.9067
H62.01151.01012.48112.92831.70053.4681
H71.87943.15751.01642.25423.90673.4681

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 117.649 C1 N2 H6 114.588
C1 N3 H7 109.898 N2 C1 N3 122.024
N2 C1 H4 112.518 N3 C1 H4 125.400
H5 N2 H6 114.948
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.200      
2 N -0.726      
3 N -0.598      
4 H 0.138      
5 H 0.340      
6 H 0.349      
7 H 0.298      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.711 1.757 0.900 2.612
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.858 -2.728 1.852
y -2.728 -17.041 -0.030
z 1.852 -0.030 -20.062
Traceless
 xyz
x 3.693 -2.728 1.852
y -2.728 0.419 -0.030
z 1.852 -0.030 -4.112
Polar
3z2-r2-8.225
x2-y22.183
xy-2.728
xz1.852
yz-0.030


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.367 0.215 0.035
y 0.215 3.565 0.001
z 0.035 0.001 1.669


<r2> (average value of r2) Å2
<r2> 44.161
(<r2>)1/2 6.645