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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-132.306374
Energy at 298.15K-132.308352
HF Energy-131.860442
Nuclear repulsion energy59.024468
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 MP2=FULL/6-31+G**
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' 3620 3400 24.33      
2 A' 3549 3333 80.07      
3 A' 2217 2083 99.84      
4 A' 1682 1580 35.97      
5 A' 1078 1013 14.38      
6 A' 698 656 243.32      
7 A' 488 458 96.79      
8 A' 325 305 18.23      
9 A" 3733 3506 45.92      
10 A" 1223 1149 0.00      
11 A" 608 571 57.91      
12 A" 322 303 3.01      

Unscaled Zero Point Vibrational Energy (zpe) 9771.7 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 9177.6 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 MP2=FULL/6-31+G**
ABC
10.17167 0.30663 0.30038

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.083 1.377 0.000
C2 0.000 0.160 0.000
N3 0.022 -1.204 0.000
H4 0.086 2.439 0.000
H5 -0.370 -1.618 0.834
H6 -0.370 -1.618 -0.834

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.22032.58181.06133.14163.1416
C21.22031.36382.28031.99781.9978
N32.58181.36383.64291.00991.0099
H41.06132.28033.64294.16594.1659
H53.14161.99781.00994.16591.6675
H63.14161.99781.00994.16591.6675

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 175.158 C2 C1 H4 176.197
C2 N3 H5 113.789 C2 N3 H6 113.789
H5 N3 H6 111.299
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability