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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-132.545689
Energy at 298.15K-132.547779
HF Energy-132.545689
Nuclear repulsion energy59.410046
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 HSEh1PBE/6-31+G**
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' 3594 3432 23.90      
2 A' 3515 3356 101.07      
3 A' 2267 2164 143.45      
4 A' 1645 1571 36.88      
5 A' 1113 1062 20.53      
6 A' 570 544 171.95      
7 A' 485 463 187.84      
8 A' 403 385 29.67      
9 A" 3696 3529 51.90      
10 A" 1191 1137 0.23      
11 A" 689 658 54.82      
12 A" 375 358 9.23      

Unscaled Zero Point Vibrational Energy (zpe) 9771.0 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 9329.3 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 HSEh1PBE/6-31+G**
ABC
10.40139 0.31144 0.30452

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.045 1.368 0.000
C2 0.000 0.158 0.000
N3 0.110 -1.185 0.000
H4 -0.091 2.432 0.000
H5 -0.203 -1.649 0.841
H6 -0.203 -1.649 -0.841

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21112.55781.06503.13623.1362
C21.21111.34732.27612.00342.0034
N32.55781.34733.62271.01031.0103
H41.06502.27613.62274.16854.1685
H53.13622.00341.01034.16851.6820
H63.13622.00341.01034.16851.6820

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.465 C2 C1 H4 179.691
C2 N3 H5 115.631 C2 N3 H6 115.631
H5 N3 H6 112.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.221      
2 C -0.363      
3 N -0.728      
4 H 0.225      
5 H 0.323      
6 H 0.323      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.053 -1.588 0.000 1.906
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.017 1.755 0.000
y 1.755 -12.055 0.000
z 0.000 0.000 -17.181
Traceless
 xyz
x -6.400 1.755 0.000
y 1.755 7.045 0.000
z 0.000 0.000 -0.645
Polar
3z2-r2-1.290
x2-y2-8.963
xy1.755
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.917 -0.158 0.000
y -0.158 7.184 0.000
z 0.000 0.000 2.840


<r2> (average value of r2) Å2
<r2> 44.628
(<r2>)1/2 6.680