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All results from a given calculation for CH3C(OH)=NH (Ethaninidic acid)

using model chemistry: CCSD/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 CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-208.682769
Energy at 298.15K-208.689136
HF Energy-207.992125
Nuclear repulsion energy120.792451
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 CCSD/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' 3791 3652 52.78      
2 A' 3530 3401 4.79      
3 A' 3161 3046 12.38      
4 A' 3059 2947 6.98      
5 A' 1756 1692 216.33      
6 A' 1483 1428 18.51      
7 A' 1451 1398 57.02      
8 A' 1387 1336 0.61      
9 A' 1286 1239 82.60      
10 A' 1124 1083 176.82      
11 A' 1018 981 37.98      
12 A' 878 846 1.45      
13 A' 549 529 37.87      
14 A' 422 406 2.08      
15 A" 3136 3021 7.08      
16 A" 1467 1413 6.87      
17 A" 1065 1026 3.47      
18 A" 856 824 28.46      
19 A" 605 583 108.12      
20 A" 523 504 24.97      
21 A" 135 130 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 16339.9 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 15741.9 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 CCSD/aug-cc-pVDZ
ABC
0.35687 0.30625 0.17014

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.941 -1.049 0.000
N3 0.265 1.386 0.000
O4 -1.304 -0.276 0.000
H5 1.988 -0.714 0.000
H6 0.752 -1.671 0.891
H7 0.752 -1.671 -0.891
H8 1.277 1.532 0.000
H9 -1.840 0.532 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51061.28091.36622.16092.14752.14751.89471.8826
C21.51062.52712.37421.09971.10261.10262.60333.1989
N31.28092.52712.28502.71633.22093.22091.02262.2711
O41.36622.37422.28503.32102.63942.63943.15100.9695
H52.16091.09972.71633.32101.79931.79932.35604.0256
H62.14751.10263.22092.63941.79931.78193.36593.5163
H72.14751.10263.22092.63941.79931.78193.36593.5163
H81.89472.60331.02263.15102.35603.36593.36593.2732
H91.88263.19892.27110.96954.02563.51633.51633.2732

picture of Ethaninidic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 110.769 C1 C2 H6 109.532
C1 C2 H7 109.532 C1 N3 H8 110.171
C1 O4 H9 106.172 C2 C1 N3 129.538
C2 C1 O4 111.141 N3 C1 O4 119.321
H5 C2 H6 109.577 H5 C2 H7 109.577
H6 C2 H7 107.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability