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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: MP4=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/6-311G**
 hartrees
Energy at 0K-132.431224
Energy at 298.15K-132.433322
HF Energy-131.884029
Nuclear repulsion energy58.956870
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 MP4=FULL/6-311G**
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' 3548 3412        
2 A' 3499 3364        
3 A' 2176 2093        
4 A' 1642 1579        
5 A' 1053 1012        
6 A' 759 729        
7 A' 505 486        
8 A' 360 346        
9 A" 3641 3501        
10 A" 1221 1174        
11 A" 650 625        
12 A" 335 322        

Unscaled Zero Point Vibrational Energy (zpe) 9694.1 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 9320.9 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 MP4=FULL/6-311G**
ABC
9.89248 0.30615 0.30031

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 1.378 0.000
C2 0.000 0.160 0.000
N3 0.103 -1.206 0.000
H4 -0.043 2.443 0.000
H5 -0.310 -1.616 0.830
H6 -0.310 -1.616 -0.830

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21852.58661.06473.12203.1220
C21.21851.36962.28311.98491.9849
N32.58661.36963.65131.01381.0138
H41.06472.28313.65134.15144.1514
H53.12201.98491.01384.15141.6594
H63.12201.98491.01384.15141.6594

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.132 C2 C1 H4 178.623
C2 N3 H5 111.909 C2 N3 H6 111.909
H5 N3 H6 109.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability