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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: CCSD=FULL/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 CCSD=FULL/Def2TZVPP
 hartrees
Energy at 0K-132.494816
Energy at 298.15K-132.497072
HF Energy-131.907413
Nuclear repulsion energy59.487696
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 CCSD=FULL/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' 3586 3586 19.92      
2 A' 3509 3509 80.95      
3 A' 2255 2255 92.05      
4 A' 1671 1671 26.21      
5 A' 1072 1072 12.47      
6 A' 701 701 198.47      
7 A' 560 560 93.11      
8 A' 438 438 15.41      
9 A" 3674 3674 34.89      
10 A" 1234 1234 0.46      
11 A" 725 725 40.36      
12 A" 365 365 7.21      

Unscaled Zero Point Vibrational Energy (zpe) 9894.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9894.2 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 CCSD=FULL/Def2TZVPP
ABC
10.16554 0.31170 0.30549

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.052 1.364 0.000
C2 0.000 0.163 0.000
N3 0.130 -1.191 0.000
H4 -0.105 2.420 0.000
H5 -0.247 -1.622 0.827
H6 -0.247 -1.622 -0.827

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20202.56111.05783.10443.1044
C21.20201.36012.25981.98271.9827
N32.56111.36013.61881.00601.0060
H41.05782.25983.61884.12854.1285
H53.10441.98271.00604.12851.6542
H63.10441.98271.00604.12851.6542

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.993 C2 C1 H4 179.630
C2 N3 H5 113.004 C2 N3 H6 113.004
H5 N3 H6 110.603
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability