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 CHNH2 (aminomethylene)

using model chemistry: B3LYPultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-94.613996
Energy at 298.15K-94.616909
HF Energy-94.613996
Nuclear repulsion energy32.926537
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 B3LYPultrafine/cc-pVTZ
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' 3536 3418 15.48 94.31 0.60 0.75
2 A' 3370 3258 22.86 339.62 0.27 0.43
3 A' 2912 2815 110.79 166.20 0.48 0.65
4 A' 1687 1631 11.48 23.79 0.45 0.62
5 A' 1438 1391 13.49 7.92 0.35 0.52
6 A' 1388 1342 12.64 1.19 0.75 0.86
7 A' 1076 1040 25.50 10.33 0.43 0.60
8 A" 1160 1121 12.19 1.25 0.75 0.86
9 A" 801 775 147.56 0.65 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8683.7 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 8394.5 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 B3LYPultrafine/cc-pVTZ
ABC
6.86580 1.13791 0.97613

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.063 0.784 0.000
N2 0.063 -0.522 0.000
H3 -0.998 1.098 0.000
H4 -0.757 -1.129 0.000
H5 0.942 -1.021 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.30651.10612.08162.0086
N21.30651.93621.01961.0116
H31.10611.93622.23982.8733
H42.08161.01962.23981.7026
H52.00861.01162.87331.7026

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 126.535 C1 N2 H5 119.559
N2 C1 H3 106.448 H4 N2 H5 113.906
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.286      
2 N -0.109      
3 H 0.069      
4 H 0.148      
5 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.287 -3.198 0.000 3.447
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.113 -2.273 0.000
y -2.273 -13.617 0.000
z 0.000 0.000 -13.731
Traceless
 xyz
x 1.560 -2.273 0.000
y -2.273 -0.695 0.000
z 0.000 0.000 -0.866
Polar
3z2-r2-1.731
x2-y21.503
xy-2.273
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.260 -0.085 0.000
y -0.085 4.240 0.000
z 0.000 0.000 2.155


<r2> (average value of r2) Å2
<r2> 19.847
(<r2>)1/2 4.455