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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: QCISD(T)=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.526547
Energy at 298.15K-132.528678
HF Energy-131.900240
Nuclear repulsion energy59.295997
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 QCISD(T)=FULL/6-311+G(3df,2p)
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' 3564 3564        
2 A' 3479 3479        
3 A' 2204 2204        
4 A' 1651 1651        
5 A' 1065 1065        
6 A' 675 675        
7 A' 503 503        
8 A' 406 406        
9 A" 3657 3657        
10 A" 1210 1210        
11 A" 668 668        
12 A" 347 347        

Unscaled Zero Point Vibrational Energy (zpe) 9715.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9715.0 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 QCISD(T)=FULL/6-311+G(3df,2p)
ABC
10.14597 0.30983 0.30354

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.034 1.370 0.000
C2 0.000 0.161 0.000
N3 0.113 -1.194 0.000
H4 -0.064 2.431 0.000
H5 -0.261 -1.628 0.832
H6 -0.261 -1.628 -0.832

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20922.56831.06203.11943.1194
C21.20921.36012.27111.99021.9902
N32.56831.36013.62991.00961.0096
H41.06202.27113.62994.14854.1485
H53.11941.99021.00964.14851.6633
H63.11941.99021.00964.14851.6633

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.862 C2 C1 H4 179.965
C2 N3 H5 113.428 C2 N3 H6 113.428
H5 N3 H6 110.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability