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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B97D3/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 B97D3/cc-pVDZ
 hartrees
Energy at 0K-132.606421
Energy at 298.15K-132.608429
HF Energy-132.606421
Nuclear repulsion energy58.896390
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/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' 3453 3423 69.15      
2 A' 3414 3385 8.53      
3 A' 2204 2186 88.50      
4 A' 1590 1577 16.46      
5 A' 1066 1057 10.04      
6 A' 688 682 186.28      
7 A' 474 470 71.05      
8 A' 335 332 15.47      
9 A" 3497 3467 16.96      
10 A" 1189 1179 0.21      
11 A" 652 646 29.43      
12 A" 329 326 6.03      

Unscaled Zero Point Vibrational Energy (zpe) 9445.7 cm-1
Scaled (by 0.9915) Zero Point Vibrational Energy (zpe) 9365.4 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/cc-pVDZ
ABC
9.83076 0.30640 0.30048

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 1.379 0.000
C2 0.000 0.156 0.000
N3 0.103 -1.201 0.000
H4 -0.030 2.452 0.000
H5 -0.310 -1.629 0.833
H6 -0.310 -1.629 -0.833

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.22262.58211.07323.13493.1349
C21.22261.36092.29581.99391.9939
N32.58211.36093.65501.02341.0234
H41.07322.29583.65504.17394.1739
H53.13491.99391.02344.17391.6661
H63.13491.99391.02344.17391.6661

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.205 C2 C1 H4 179.517
C2 N3 H5 112.729 C2 N3 H6 112.729
H5 N3 H6 108.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.074      
2 C 0.046      
3 N -0.159      
4 H -0.028      
5 H 0.108      
6 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.156 -1.545 0.000 1.929
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.681 2.032 0.000
y 2.032 -12.202 0.000
z 0.000 0.000 -16.908
Traceless
 xyz
x -5.125 2.032 0.000
y 2.032 6.092 0.000
z 0.000 0.000 -0.967
Polar
3z2-r2-1.933
x2-y2-7.478
xy2.032
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.055 0.084 0.000
y 0.084 6.810 0.000
z 0.000 0.000 2.427


<r2> (average value of r2) Å2
<r2> 44.775
(<r2>)1/2 6.691