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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: HSEh1PBE/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-132.589208
Energy at 298.15K-132.591381
HF Energy-132.589208
Nuclear repulsion energy59.706767
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/aug-cc-pVTZ
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' 3571 3435 17.43      
2 A' 3495 3361 99.48      
3 A' 2260 2174 137.77      
4 A' 1638 1575 28.07      
5 A' 1103 1061 18.43      
6 A' 592 569 160.28      
7 A' 502 483 134.38      
8 A' 441 424 9.56      
9 A" 3658 3519 45.01      
10 A" 1195 1150 0.23      
11 A" 709 682 39.65      
12 A" 374 360 9.93      

Unscaled Zero Point Vibrational Energy (zpe) 9768.9 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 9395.8 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/aug-cc-pVTZ
ABC
10.40065 0.31479 0.30790

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.026 1.360 0.000
C2 0.000 0.159 0.000
N3 0.097 -1.181 0.000
H4 -0.057 2.421 0.000
H5 -0.235 -1.635 0.836
H6 -0.235 -1.635 -0.836

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20102.54381.06133.11673.1167
C21.20101.34372.26231.99361.9936
N32.54381.34373.60501.00801.0080
H41.06132.26233.60504.14524.1452
H53.11671.99361.00804.14521.6724
H63.11671.99361.00804.14521.6724

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.079 C2 C1 H4 179.573
C2 N3 H5 115.189 C2 N3 H6 115.189
H5 N3 H6 112.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.398      
2 C 1.008      
3 N -0.351      
4 H 0.453      
5 H 0.144      
6 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.962 -1.521 0.000 1.800
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.645 1.755 0.000
y 1.755 -12.396 0.000
z 0.000 0.000 -17.222
Traceless
 xyz
x -5.836 1.755 0.000
y 1.755 6.537 0.000
z 0.000 0.000 -0.701
Polar
3z2-r2-1.403
x2-y2-8.249
xy1.755
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.880 -0.057 0.000
y -0.057 7.408 0.000
z 0.000 0.000 3.857


<r2> (average value of r2) Å2
<r2> 44.266
(<r2>)1/2 6.653