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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: PBE1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-311G**
 hartrees
Energy at 0K-132.559717
Energy at 298.15K-132.561917
HF Energy-132.559717
Nuclear repulsion energy59.616490
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 PBE1PBE/6-311G**
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' 3576 3431 17.11      
2 A' 3508 3365 93.68      
3 A' 2272 2180 111.11      
4 A' 1643 1576 33.63      
5 A' 1107 1062 16.07      
6 A' 611 587 199.66      
7 A' 509 488 134.30      
8 A' 445 427 10.51      
9 A" 3665 3516 35.81      
10 A" 1203 1154 0.05      
11 A" 718 689 37.54      
12 A" 380 365 9.25      

Unscaled Zero Point Vibrational Energy (zpe) 9818.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9419.6 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 PBE1PBE/6-311G**
ABC
10.29237 0.31391 0.30713

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.040 1.361 0.000
C2 0.000 0.159 0.000
N3 0.111 -1.182 0.000
H4 -0.083 2.423 0.000
H5 -0.229 -1.634 0.837
H6 -0.229 -1.634 -0.837

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20342.54831.06233.11613.1161
C21.20341.34572.26561.99181.9918
N32.54831.34573.61051.01001.0100
H41.06232.26563.61054.14514.1451
H53.11611.99181.01004.14511.6736
H63.11611.99181.01004.14511.6736

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.153 C2 C1 H4 179.601
C2 N3 H5 114.705 C2 N3 H6 114.705
H5 N3 H6 111.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.010      
2 C 0.027      
3 N -0.587      
4 H 0.107      
5 H 0.232      
6 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.090 -1.583 0.000 1.922
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.263 1.786 0.000
y 1.786 -11.851 0.000
z 0.000 0.000 -16.900
Traceless
 xyz
x -5.887 1.786 0.000
y 1.786 6.730 0.000
z 0.000 0.000 -0.843
Polar
3z2-r2-1.685
x2-y2-8.412
xy1.786
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.198 -0.064 0.000
y -0.064 6.577 0.000
z 0.000 0.000 2.501


<r2> (average value of r2) Å2
<r2> 44.083
(<r2>)1/2 6.640