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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B2PLYP=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-130.773130
Energy at 298.15K-130.775274
HF Energy-130.703979
Nuclear repulsion energy57.939623
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/STO-3G
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' 3730 3730 144.85      
2 A' 3584 3584 2.23      
3 A' 2407 2407 3.98      
4 A' 1832 1832 8.53      
5 A' 1088 1088 18.54      
6 A' 831 831 127.31      
7 A' 642 642 29.65      
8 A' 404 404 11.30      
9 A" 3765 3765 0.01      
10 A" 1359 1359 0.80      
11 A" 762 762 13.91      
12 A" 366 366 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 10384.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10384.9 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/STO-3G
ABC
8.81528 0.29661 0.29189

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.003 1.389 0.000
C2 0.000 0.181 0.000
N3 0.115 -1.238 0.000
H4 -0.004 2.465 0.000
H5 -0.408 -1.608 0.838
H6 -0.408 -1.608 -0.838

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20802.62961.07603.13833.1383
C21.20801.42392.28392.01672.0167
N32.62961.42393.70501.05451.0545
H41.07602.28393.70504.17724.1772
H53.13832.01671.05454.17721.6761
H63.13832.01671.05454.17721.6761

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 175.247 C2 C1 H4 179.506
C2 N3 H5 107.996 C2 N3 H6 107.996
H5 N3 H6 105.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability