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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B2PLYP=FULL/cc-pVTZ

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=FULL/cc-pVTZ
 hartrees
Energy at 0K-132.639266
Energy at 298.15K-132.641429
HF Energy-132.455514
Nuclear repulsion energy59.543000
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=FULL/cc-pVTZ
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' 3559 3402 16.21      
2 A' 3507 3352 88.93      
3 A' 2228 2130 102.80      
4 A' 1654 1580 26.36      
5 A' 1080 1032 13.62      
6 A' 653 624 198.15      
7 A' 498 476 103.41      
8 A' 421 402 9.12      
9 A" 3647 3486 35.06      
10 A" 1214 1160 0.11      
11 A" 684 653 39.36      
12 A" 365 349 7.36      

Unscaled Zero Point Vibrational Energy (zpe) 9754.5 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 9323.4 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=FULL/cc-pVTZ
ABC
10.27348 0.31261 0.30610

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.023 1.364 0.000
C2 0.000 0.161 0.000
N3 0.102 -1.188 0.000
H4 -0.052 2.421 0.000
H5 -0.260 -1.628 0.832
H6 -0.260 -1.628 -0.832

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20422.55541.05703.11493.1149
C21.20421.35222.26121.98941.9894
N32.55541.35223.61231.00781.0078
H41.05702.26123.61234.13884.1388
H53.11491.98941.00784.13881.6630
H63.11491.98941.00784.13881.6630

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.802 C2 C1 H4 179.557
C2 N3 H5 114.116 C2 N3 H6 114.116
H5 N3 H6 111.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability