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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-149.953875
Energy at 298.15K-149.959196
Nuclear repulsion energy72.123242
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 B3PW91/6-31G**
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 3742 3587 30.45      
2 A 3606 3456 23.15      
3 A 3546 3399 0.53      
4 A 3053 2926 65.82      
5 A 1767 1693 264.78      
6 A 1627 1560 36.87      
7 A 1424 1365 27.85      
8 A 1345 1289 26.16      
9 A 1120 1074 116.99      
10 A 1100 1054 4.51      
11 A 1051 1007 1.72      
12 A 808 774 33.29      
13 A 586 562 176.35      
14 A 544 521 49.76      
15 A 386 369 172.47      

Unscaled Zero Point Vibrational Energy (zpe) 12851.7 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 12317.1 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 B3PW91/6-31G**
ABC
2.22281 0.36061 0.31195

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.122 0.393 -0.002
N2 1.135 -0.148 -0.068
N3 -1.171 -0.333 0.016
H4 -0.108 1.492 -0.012
H5 1.906 0.398 0.281
H6 1.186 -1.142 0.106
H7 -2.000 0.257 -0.002

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.37041.27651.09922.04792.01941.8834
N21.37042.31592.05881.00681.01033.1627
N31.27652.31592.11293.17452.49371.0179
H41.09922.05882.11292.31072.93692.2600
H52.04791.00683.17452.31071.70913.9195
H62.01941.01032.49372.93691.70913.4815
H71.88343.16271.01792.26003.91953.4815

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 118.158 C1 N2 H6 115.206
C1 N3 H7 109.835 N2 C1 N3 122.036
N2 C1 H4 112.488 N3 C1 H4 125.428
H5 N2 H6 115.843
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.247      
2 N -0.609      
3 N -0.561      
4 H 0.105      
5 H 0.282      
6 H 0.292      
7 H 0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.809 1.737 0.809 2.635
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.744 -2.715 1.674
y -2.715 -17.007 -0.033
z 1.674 -0.033 -20.061
Traceless
 xyz
x 3.790 -2.715 1.674
y -2.715 0.395 -0.033
z 1.674 -0.033 -4.185
Polar
3z2-r2-8.370
x2-y22.263
xy-2.715
xz1.674
yz-0.033


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.463 0.206 0.035
y 0.206 3.642 0.001
z 0.035 0.001 1.707


<r2> (average value of r2) Å2
<r2> 44.298
(<r2>)1/2 6.656