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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: PBE1PBE/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 PBE1PBE/Def2TZVPP
 hartrees
Energy at 0K-132.579318
Energy at 298.15K-132.581492
HF Energy-132.579318
Nuclear repulsion energy59.687730
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/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' 3576 3576 19.80      
2 A' 3497 3497 96.94      
3 A' 2264 2264 127.18      
4 A' 1636 1636 29.28      
5 A' 1105 1105 17.34      
6 A' 604 604 180.08      
7 A' 503 503 134.83      
8 A' 442 442 10.21      
9 A" 3665 3665 42.19      
10 A" 1197 1197 0.02      
11 A" 708 708 42.40      
12 A" 376 376 9.80      

Unscaled Zero Point Vibrational Energy (zpe) 9786.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9786.6 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/Def2TZVPP
ABC
10.36184 0.31460 0.30778

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.029 1.360 0.000
C2 0.000 0.159 0.000
N3 0.101 -1.181 0.000
H4 -0.063 2.422 0.000
H5 -0.236 -1.633 0.836
H6 -0.236 -1.633 -0.836

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20182.54501.06203.11483.1148
C21.20181.34402.26381.99131.9913
N32.54501.34403.60681.00831.0083
H41.06202.26383.60684.14384.1438
H53.11481.99131.00834.14381.6712
H63.11481.99131.00834.14381.6712

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.058 C2 C1 H4 179.579
C2 N3 H5 114.935 C2 N3 H6 114.935
H5 N3 H6 111.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.297      
2 C 0.009      
3 N -0.318      
4 H 0.215      
5 H 0.196      
6 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.001 -1.566 0.000 1.858
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.505 1.779 0.000
y 1.779 -12.145 0.000
z 0.000 0.000 -17.122
Traceless
 xyz
x -5.872 1.779 0.000
y 1.779 6.669 0.000
z 0.000 0.000 -0.797
Polar
3z2-r2-1.594
x2-y2-8.360
xy1.779
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.061 -0.050 0.000
y -0.050 7.042 0.000
z 0.000 0.000 3.185


<r2> (average value of r2) Å2
<r2> 44.174
(<r2>)1/2 6.646