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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: M06-2X/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/aug-cc-pVDZ
 hartrees
Energy at 0K-132.648929
Energy at 298.15K-132.651100
HF Energy-132.648929
Nuclear repulsion energy59.274488
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 M06-2X/aug-cc-pVDZ
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' 3554 3554 22.40      
2 A' 3507 3507 108.69      
3 A' 2288 2288 125.38      
4 A' 1608 1608 29.92      
5 A' 1092 1092 18.13      
6 A' 621 621 167.22      
7 A' 520 520 119.04      
8 A' 435 435 11.92      
9 A" 3650 3650 49.43      
10 A" 1182 1182 0.33      
11 A" 690 690 42.35      
12 A" 359 359 7.13      

Unscaled Zero Point Vibrational Energy (zpe) 9752.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9752.6 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 M06-2X/aug-cc-pVDZ
ABC
10.13192 0.31006 0.30357

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.025 1.370 0.000
C2 0.000 0.160 0.000
N3 0.104 -1.193 0.000
H4 -0.059 2.437 0.000
H5 -0.259 -1.633 0.837
H6 -0.259 -1.633 -0.837

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20972.56551.06793.12563.1256
C21.20971.35682.27751.99561.9956
N32.56551.35683.63331.01321.0132
H41.06792.27753.63334.15964.1596
H53.12561.99561.01324.15961.6748
H63.12561.99561.01324.15961.6748

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.788 C2 C1 H4 179.338
C2 N3 H5 113.922 C2 N3 H6 113.922
H5 N3 H6 111.491
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.926      
2 C -0.399      
3 N -0.045      
4 H -0.468      
5 H -0.006      
6 H -0.006      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.067 -1.353 0.000 1.723
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.787 1.919 0.000
y 1.919 -12.430 0.000
z 0.000 0.000 -17.368
Traceless
 xyz
x -5.888 1.919 0.000
y 1.919 6.647 0.000
z 0.000 0.000 -0.760
Polar
3z2-r2-1.519
x2-y2-8.356
xy1.919
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.704 -0.048 0.000
y -0.048 7.294 0.000
z 0.000 0.000 3.685


<r2> (average value of r2) Å2
<r2> 44.787
(<r2>)1/2 6.692