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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B2PLYP=FULLultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/3-21G
 hartrees
Energy at 0K-131.773032
Energy at 298.15K 
HF Energy-131.674624
Nuclear repulsion energy59.405425
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 B2PLYP=FULLultrafine/3-21G
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' 3572 3572 32.11      
2 A' 3532 3532 82.53      
3 A' 2261 2261 91.81      
4 A' 1714 1714 48.90      
5 A' 1121 1121 18.91      
6 A' 633 633 102.90      
7 A' 546 546 17.83      
8 A' 273 273 413.37      
9 A" 3676 3676 42.31      
10 A" 1193 1193 7.85      
11 A" 850 850 30.25      
12 A" 466 466 17.76      

Unscaled Zero Point Vibrational Energy (zpe) 9918.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9918.8 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 B2PLYP=FULLultrafine/3-21G
ABC
11.17158 0.31121 0.30277

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 1.374 0.000
C2 0.000 0.161 0.000
N3 -0.000 -1.178 0.000
H4 0.001 2.433 0.000
H5 0.001 -1.699 0.865
H6 0.001 -1.699 -0.865

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21392.55231.05853.19313.1931
C21.21391.33842.27242.05112.0511
N32.55231.33843.61081.01021.0102
H41.05852.27243.61084.22174.2217
H53.19312.05111.01024.22171.7305
H63.19312.05111.01024.22171.7305

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 179.986 C2 C1 H4 179.938
C2 N3 H5 121.071 C2 N3 H6 121.071
H5 N3 H6 117.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability