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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: CCSD=FULL/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-132.337874
Energy at 298.15K-132.339881
HF Energy-131.868274
Nuclear repulsion energy58.711033
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/aug-cc-pVDZ
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' 3546 3546 12.95      
2 A' 3484 3484 76.43      
3 A' 2225 2225 91.69      
4 A' 1646 1646 22.96      
5 A' 1057 1057 11.79      
6 A' 696 696 175.53      
7 A' 485 485 90.18      
8 A' 345 345 10.27      
9 A" 3640 3640 29.24      
10 A" 1218 1218 1.33      
11 A" 621 621 42.21      
12 A" 315 315 3.91      

Unscaled Zero Point Vibrational Energy (zpe) 9638.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9638.8 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 CCSD=FULL/aug-cc-pVDZ
ABC
9.93532 0.30346 0.29754

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.028 1.384 0.000
C2 0.000 0.161 0.000
N3 0.114 -1.208 0.000
H4 -0.064 2.457 0.000
H5 -0.282 -1.635 0.833
H6 -0.282 -1.635 -0.833

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.22322.59651.07313.14243.1424
C21.22321.37452.29622.00022.0002
N32.59651.37453.66941.01641.0164
H41.07312.29623.66944.18154.1815
H53.14242.00021.01644.18151.6670
H63.14242.00021.01644.18151.6670

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.575 C2 C1 H4 179.426
C2 N3 H5 112.715 C2 N3 H6 112.715
H5 N3 H6 110.181
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability