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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-311G**
 hartrees
Energy at 0K-132.605609
Energy at 298.15K 
HF Energy-132.440008
Nuclear repulsion energy59.384011
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 B2PLYP=FULLultrafine/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' 3561 3561 13.66      
2 A' 3512 3512 84.81      
3 A' 2228 2228 92.12      
4 A' 1654 1654 30.23      
5 A' 1078 1078 12.50      
6 A' 671 671 221.60      
7 A' 507 507 100.31      
8 A' 411 411 8.88      
9 A" 3649 3649 28.37      
10 A" 1217 1217 0.00      
11 A" 693 693 37.29      
12 A" 362 362 6.94      

Unscaled Zero Point Vibrational Energy (zpe) 9770.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9770.7 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 B2PLYP=FULLultrafine/6-311G**
ABC
10.17622 0.31098 0.30455

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.027 1.368 0.000
C2 0.000 0.161 0.000
N3 0.106 -1.191 0.000
H4 -0.062 2.427 0.000
H5 -0.261 -1.629 0.834
H6 -0.261 -1.629 -0.834

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20762.56261.06013.11973.1197
C21.20761.35602.26771.99151.9915
N32.56261.35603.62261.01051.0105
H41.06012.26773.62264.14624.1462
H53.11971.99151.01054.14621.6671
H63.11971.99151.01054.14621.6671

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.773 C2 C1 H4 179.355
C2 N3 H5 113.810 C2 N3 H6 113.810
H5 N3 H6 111.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability