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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: TPSSh/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/TZVP
 hartrees
Energy at 0K-132.737567
Energy at 298.15K-132.739642
HF Energy-132.737567
Nuclear repulsion energy59.470653
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 TPSSh/TZVP
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' 3521 3393 10.22      
2 A' 3487 3360 95.81      
3 A' 2238 2157 121.07      
4 A' 1651 1591 31.81      
5 A' 1084 1044 15.67      
6 A' 603 581 209.26      
7 A' 491 473 122.59      
8 A' 381 368 23.12      
9 A" 3607 3476 30.46      
10 A" 1200 1156 0.01      
11 A" 685 661 44.45      
12 A" 353 340 9.16      

Unscaled Zero Point Vibrational Energy (zpe) 9649.8 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 9299.5 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 TPSSh/TZVP
ABC
10.28739 0.31226 0.30548

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.005 1.366 0.000
C2 0.000 0.160 0.000
N3 0.075 -1.188 0.000
H4 -0.003 2.428 0.000
H5 -0.274 -1.635 0.839
H6 -0.274 -1.635 -0.839

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20582.55471.06193.12803.1280
C21.20581.35012.26761.99991.9999
N32.55471.35013.61651.01221.0122
H41.06192.26763.61654.15694.1569
H53.12801.99991.01224.15691.6775
H63.12801.99991.01224.15691.6775

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.609 C2 C1 H4 179.359
C2 N3 H5 114.939 C2 N3 H6 114.939
H5 N3 H6 111.926
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.531      
2 C 0.237      
3 N -0.320      
4 H 0.126      
5 H 0.244      
6 H 0.244      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.125 -1.521 0.000 1.892
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.605 0.046 0.000
y 0.046 7.041 0.000
z 0.000 0.000 2.749


<r2> (average value of r2) Å2
<r2> 44.427
(<r2>)1/2 6.665