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All results from a given calculation for NHCHNH2 (aminomethanimine)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-149.964589
Energy at 298.15K-149.969810
Nuclear repulsion energy72.099663
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 B3PW91/6-31+G**
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 3758 3608 46.15      
2 A 3615 3471 33.20      
3 A 3562 3420 6.73      
4 A 3065 2943 60.72      
5 A 1746 1677 356.07      
6 A 1625 1560 35.24      
7 A 1412 1356 22.29      
8 A 1336 1282 34.64      
9 A 1115 1070 118.86      
10 A 1086 1043 8.23      
11 A 1043 1001 0.09      
12 A 798 766 62.74      
13 A 565 542 75.07      
14 A 529 508 66.02      
15 A 319 306 218.98      

Unscaled Zero Point Vibrational Energy (zpe) 12787.1 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 12276.9 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 B3PW91/6-31+G**
ABC
2.23970 0.35990 0.31106

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.121 0.393 -0.001
N2 1.133 -0.149 -0.053
N3 -1.174 -0.332 0.011
H4 -0.113 1.491 -0.007
H5 1.926 0.412 0.210
H6 1.206 -1.146 0.090
H7 -2.007 0.252 0.001

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.36691.27851.09822.05782.03391.8912
N21.36692.31532.05991.00611.01003.1658
N31.27852.31532.10933.19422.51691.0169
H41.09822.05992.10932.31692.94992.2633
H52.05781.00613.19422.31691.72023.9416
H62.03391.01002.51692.94991.72023.5050
H71.89123.16581.01692.26333.94163.5050

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 119.484 C1 N2 H6 116.882
C1 N3 H7 110.434 N2 C1 N3 122.110
N2 C1 H4 112.907 N3 C1 H4 124.950
H5 N2 H6 117.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.023      
2 N -0.502      
3 N -0.534      
4 H 0.131      
5 H 0.302      
6 H 0.321      
7 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.992 1.990 0.634 2.886
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.125 -3.033 1.368
y -3.033 -17.609 -0.038
z 1.368 -0.038 -21.174
Traceless
 xyz
x 4.266 -3.033 1.368
y -3.033 0.540 -0.038
z 1.368 -0.038 -4.806
Polar
3z2-r2-9.613
x2-y22.484
xy-3.033
xz1.368
yz-0.038


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.071 0.413 -0.054
y 0.413 4.250 -0.012
z -0.054 -0.012 3.023


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