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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-132.654742
Energy at 298.15K-132.656739
HF Energy-132.654742
Nuclear repulsion energy59.365798
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 B97D3/aug-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' 3465 3412 2.79      
2 A' 3438 3386 86.75      
3 A' 2188 2155 130.87      
4 A' 1611 1586 22.20      
5 A' 1065 1048 15.27      
6 A' 601 592 171.46      
7 A' 469 462 94.32      
8 A' 352 346 22.16      
9 A" 3546 3492 30.21      
10 A" 1178 1160 0.37      
11 A" 653 643 40.38      
12 A" 342 337 8.13      

Unscaled Zero Point Vibrational Energy (zpe) 9453.5 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 9308.9 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 B97D3/aug-cc-pVTZ
ABC
10.26100 0.31105 0.30443

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 1.369 0.000
C2 0.000 0.159 0.000
N3 0.072 -1.190 0.000
H4 0.009 2.433 0.000
H5 -0.287 -1.635 0.837
H6 -0.287 -1.635 -0.837

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20972.55991.06363.13213.1321
C21.20971.35152.27332.00012.0001
N32.55991.35153.62341.01301.0130
H41.06362.27333.62344.16284.1628
H53.13212.00011.01304.16281.6732
H63.13212.00011.01304.16281.6732

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.455 C2 C1 H4 179.396
C2 N3 H5 114.781 C2 N3 H6 114.781
H5 N3 H6 111.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.337      
2 C 1.115      
3 N -0.307      
4 H 0.306      
5 H 0.112      
6 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.000 -1.517 0.000 1.817
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.550 1.991 0.000
y 1.991 -12.774 0.000
z 0.000 0.000 -17.294
Traceless
 xyz
x -5.516 1.991 0.000
y 1.991 6.148 0.000
z 0.000 0.000 -0.631
Polar
3z2-r2-1.263
x2-y2-7.776
xy1.991
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.082 0.044 0.000
y 0.044 7.783 0.000
z 0.000 0.000 4.019


<r2> (average value of r2) Å2
<r2> 44.714
(<r2>)1/2 6.687