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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: PBEPBEultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/Def2TZVPP
 hartrees
Energy at 0K-132.573755
Energy at 298.15K-132.575743
HF Energy-132.573755
Nuclear repulsion energy59.238976
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 PBEPBEultrafine/Def2TZVPP
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' 3451 3451 6.38      
2 A' 3418 3418 91.24      
3 A' 2185 2185 117.69      
4 A' 1584 1584 24.57      
5 A' 1072 1072 14.01      
6 A' 591 591 184.93      
7 A' 469 469 95.47      
8 A' 356 356 27.45      
9 A" 3532 3532 31.01      
10 A" 1159 1159 0.02      
11 A" 650 650 42.38      
12 A" 347 347 8.51      

Unscaled Zero Point Vibrational Energy (zpe) 9407.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9407.1 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 PBEPBEultrafine/Def2TZVPP
ABC
10.17431 0.31004 0.30340

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 1.372 0.000
C2 0.000 0.158 0.000
N3 0.072 -1.191 0.000
H4 0.008 2.440 0.000
H5 -0.288 -1.638 0.841
H6 -0.288 -1.638 -0.841

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21362.56361.06823.13943.1394
C21.21361.35122.28182.00412.0041
N32.56361.35123.63161.01771.0177
H41.06822.28183.63164.17434.1743
H53.13942.00411.01774.17431.6812
H63.13942.00411.01774.17431.6812

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.437 C2 C1 H4 179.301
C2 N3 H5 114.832 C2 N3 H6 114.832
H5 N3 H6 111.377
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.280      
2 C -0.035      
3 N -0.276      
4 H 0.217      
5 H 0.187      
6 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.029 -1.609 0.000 1.910
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.513 2.005 0.000
y 2.005 -12.463 0.000
z 0.000 0.000 -17.260
Traceless
 xyz
x -5.652 2.005 0.000
y 2.005 6.424 0.000
z 0.000 0.000 -0.772
Polar
3z2-r2-1.544
x2-y2-8.050
xy2.005
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.154 0.080 0.000
y 0.080 7.405 0.000
z 0.000 0.000 3.284


<r2> (average value of r2) Å2
<r2> 44.766
(<r2>)1/2 6.691