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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B2PLYP=FULL/6-31G*

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=FULL/6-31G*
 hartrees
Energy at 0K-132.536042
Energy at 298.15K-132.538010
HF Energy-132.394505
Nuclear repulsion energy59.162551
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=FULL/6-31G*
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' 3544 3362 6.45      
2 A' 3531 3349 79.00      
3 A' 2247 2131 70.60      
4 A' 1692 1605 29.07      
5 A' 1084 1028 9.74      
6 A' 702 666 254.49      
7 A' 483 458 65.55      
8 A' 303 287 30.90      
9 A" 3636 3449 22.73      
10 A" 1234 1170 0.05      
11 A" 628 596 35.58      
12 A" 338 321 2.42      

Unscaled Zero Point Vibrational Energy (zpe) 9711.6 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 9210.5 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=FULL/6-31G*
ABC
10.08925 0.30856 0.30234

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 1.374 0.000
C2 0.000 0.161 0.000
N3 0.094 -1.197 0.000
H4 -0.060 2.435 0.000
H5 -0.289 -1.630 0.833
H6 -0.289 -1.630 -0.833

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21262.57281.06313.13023.1302
C21.21261.36172.27491.99641.9964
N32.57281.36173.63581.01371.0137
H41.06312.27493.63584.15634.1563
H53.13021.99641.01374.15631.6654
H63.13021.99641.01374.15631.6654

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.214 C2 C1 H4 177.197
C2 N3 H5 113.570 C2 N3 H6 113.570
H5 N3 H6 110.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability