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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-132.706159
Energy at 298.15K-132.708159
HF Energy-132.706159
Nuclear repulsion energy59.204764
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/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' 3525 3420 9.08      
2 A' 3492 3389 102.70      
3 A' 2243 2177 131.32      
4 A' 1618 1570 24.68      
5 A' 1082 1050 16.87      
6 A' 577 560 166.17      
7 A' 475 461 114.92      
8 A' 371 360 19.81      
9 A" 3615 3508 37.52      
10 A" 1183 1148 0.36      
11 A" 648 629 43.21      
12 A" 335 325 7.46      

Unscaled Zero Point Vibrational Energy (zpe) 9581.5 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 9297.9 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 B3LYPultrafine/aug-cc-pVDZ
ABC
10.26533 0.30927 0.30261

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.017 1.373 0.000
C2 0.000 0.159 0.000
N3 0.066 -1.193 0.000
H4 0.013 2.441 0.000
H5 -0.286 -1.640 0.840
H6 -0.286 -1.640 -0.840

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21392.56701.06773.14293.1429
C21.21391.35442.28162.00642.0064
N32.56701.35443.63471.01421.0142
H41.06772.28163.63474.17744.1774
H53.14292.00641.01424.17741.6793
H63.14292.00641.01424.17741.6793

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.432 C2 C1 H4 179.002
C2 N3 H5 115.041 C2 N3 H6 115.041
H5 N3 H6 111.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.919      
2 C -0.344      
3 N 0.072      
4 H -0.564      
5 H -0.041      
6 H -0.041      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.029 -1.453 0.000 1.780
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.788 2.019 0.000
y 2.019 -12.812 0.000
z 0.000 0.000 -17.434
Traceless
 xyz
x -5.665 2.019 0.000
y 2.019 6.299 0.000
z 0.000 0.000 -0.634
Polar
3z2-r2-1.268
x2-y2-7.976
xy2.019
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.875 0.068 0.000
y 0.068 7.635 0.000
z 0.000 0.000 3.826


<r2> (average value of r2) Å2
<r2> 45.005
(<r2>)1/2 6.709