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: wB97X-D/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/SDD
 hartrees
Energy at 0K-94.521247
Energy at 298.15K-94.524190
HF Energy-94.521247
Nuclear repulsion energy32.374375
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 wB97X-D/SDD
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' 3678 3678 15.63 85.27 0.65 0.79
2 A' 3504 3504 6.23 259.43 0.24 0.39
3 A' 2908 2908 151.02 127.43 0.46 0.63
4 A' 1749 1749 23.98 22.98 0.42 0.59
5 A' 1430 1430 40.23 10.91 0.66 0.80
6 A' 1383 1383 33.45 5.89 0.23 0.37
7 A' 1088 1088 28.64 9.51 0.71 0.83
8 A" 1138 1138 23.41 0.40 0.75 0.86
9 A" 937 937 280.41 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8907.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8907.0 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 wB97X-D/SDD
ABC
6.77048 1.08815 0.93748

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.062 0.802 0.000
N2 0.062 -0.538 0.000
H3 -1.011 1.126 0.000
H4 -0.750 -1.156 0.000
H5 0.955 -1.016 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.33951.12062.11882.0249
N21.33951.97981.02001.0128
H31.12061.97982.29672.9071
H42.11881.02002.29671.7104
H52.02491.01282.90711.7104

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 127.276 C1 N2 H5 118.150
N2 C1 H3 106.840 H4 N2 H5 114.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.174      
2 N -0.589      
3 H 0.102      
4 H 0.310      
5 H 0.351      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.565 -3.391 0.000 3.735
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.775 -2.589 0.000
y -2.589 -13.528 0.000
z 0.000 0.000 -13.705
Traceless
 xyz
x 1.841 -2.589 0.000
y -2.589 -0.787 0.000
z 0.000 0.000 -1.054
Polar
3z2-r2-2.108
x2-y21.753
xy-2.589
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.675 -0.152 0.000
y -0.152 3.917 0.000
z 0.000 0.000 1.551


<r2> (average value of r2) Å2
<r2> 20.183
(<r2>)1/2 4.492