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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-132.571874
Energy at 298.15K 
HF Energy-132.421411
Nuclear repulsion energy59.020766
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/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' 3543 3410 13.05      
2 A' 3506 3374 93.38      
3 A' 2215 2132 116.34      
4 A' 1630 1569 23.93      
5 A' 1072 1032 14.62      
6 A' 626 603 177.60      
7 A' 476 458 99.16      
8 A' 352 339 15.48      
9 A" 3639 3502 37.79      
10 A" 1197 1152 0.63      
11 A" 628 605 44.20      
12 A" 326 313 5.72      

Unscaled Zero Point Vibrational Energy (zpe) 9605.6 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 9243.5 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/aug-cc-pVDZ
ABC
10.15844 0.30701 0.30065

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.009 1.378 0.000
C2 0.000 0.159 0.000
N3 0.076 -1.200 0.000
H4 0.003 2.446 0.000
H5 -0.296 -1.636 0.836
H6 -0.296 -1.636 -0.836

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21992.57881.06783.14303.1430
C21.21991.36032.28762.00182.0018
N32.57881.36033.64651.01391.0139
H41.06782.28763.64654.17764.1776
H53.14302.00181.01394.17761.6727
H63.14302.00181.01394.17761.6727

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.359 C2 C1 H4 179.227
C2 N3 H5 114.153 C2 N3 H6 114.153
H5 N3 H6 111.144
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability