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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: HF/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-149.154636
Energy at 298.15K-149.160086
Nuclear repulsion energy73.053745
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/cc-pVQZ
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 3921 3562 41.75      
2 A 3798 3450 35.84      
3 A 3766 3421 10.58      
4 A 3219 2925 48.99      
5 A 1877 1705 368.17      
6 A 1770 1608 31.76      
7 A 1543 1402 38.00      
8 A 1430 1299 40.33      
9 A 1206 1096 52.87      
10 A 1189 1081 47.55      
11 A 1152 1047 50.77      
12 A 881 800 40.98      
13 A 603 548 100.15      
14 A 579 526 113.63      
15 A 403 366 177.46      

Unscaled Zero Point Vibrational Energy (zpe) 13669.4 cm-1
Scaled (by 0.9084) Zero Point Vibrational Energy (zpe) 12417.3 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/cc-pVQZ
ABC
2.32714 0.36652 0.31821

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVQZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.127 0.382 -0.004
N2 1.129 -0.143 -0.064
N3 -1.158 -0.327 0.013
H4 -0.139 1.464 -0.007
H5 1.880 0.414 0.263
H6 1.205 -1.116 0.113
H7 -1.984 0.232 0.011

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.36291.25071.08272.02492.00811.8633
N21.36292.29592.04780.98990.99263.1371
N31.25072.29592.06073.13652.49310.9977
H41.08272.04782.06072.29112.91202.2194
H52.02490.98993.13652.29111.67973.8767
H62.00810.99262.49312.91201.67973.4641
H71.86333.13710.99772.21943.87673.4641

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 117.905 C1 N2 H6 116.084
C1 N3 H7 111.439 N2 C1 N3 122.850
N2 C1 H4 113.227 N3 C1 H4 123.893
H5 N2 H6 115.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.251      
2 N -0.377      
3 N -0.442      
4 H 0.047      
5 H 0.175      
6 H 0.192      
7 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.821 2.032 0.767 2.834
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.609 -2.781 1.571
y -2.781 -17.305 -0.032
z 1.571 -0.032 -20.677
Traceless
 xyz
x 3.382 -2.781 1.571
y -2.781 0.838 -0.032
z 1.571 -0.032 -4.220
Polar
3z2-r2-8.440
x2-y21.696
xy-2.781
xz1.571
yz-0.032


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.533 0.336 -0.004
y 0.336 3.992 -0.006
z -0.004 -0.006 2.931


<r2> (average value of r2) Å2
<r2> 44.000
(<r2>)1/2 6.633