return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCSD=FULL/TZVP

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=FULL/TZVP
 hartrees
Energy at 0K-208.796285
Energy at 298.15K-208.802625
HF Energy-208.032579
Nuclear repulsion energy121.805602
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=FULL/TZVP
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' 3830 3629 49.90      
2 A' 3564 3377 3.97      
3 A' 3182 3015 13.28      
4 A' 3085 2923 6.99      
5 A' 1777 1684 210.79      
6 A' 1518 1438 16.81      
7 A' 1479 1401 54.85      
8 A' 1424 1349 2.08      
9 A' 1301 1232 86.63      
10 A' 1135 1075 173.14      
11 A' 1043 988 50.82      
12 A' 886 839 1.03      
13 A' 561 532 42.35      
14 A' 432 409 2.02      
15 A" 3161 2995 7.50      
16 A" 1494 1416 7.54      
17 A" 1088 1031 3.55      
18 A" 865 819 30.49      
19 A" 586 555 124.83      
20 A" 501 475 30.14      
21 A" 118 112 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 16513.4 cm-1
Scaled (by 0.9475) Zero Point Vibrational Energy (zpe) 15646.5 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 CCSD=FULL/TZVP
ABC
0.36273 0.31135 0.17293

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.921 -1.053 0.000
N3 0.282 1.369 0.000
O4 -1.298 -0.257 0.000
H5 1.961 -0.733 0.000
H6 0.730 -1.664 0.882
H7 0.730 -1.664 -0.882
H8 1.288 1.498 0.000
H9 -1.819 0.556 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50151.26701.35562.14342.13112.13111.87641.8679
C21.50152.50412.35741.08781.09001.09002.57663.1777
N31.26702.50412.26682.68973.19013.19011.01482.2526
O41.35562.35742.26683.29342.62122.62123.12540.9658
H52.14341.08782.68973.29341.77771.77772.32953.9937
H62.13111.09003.19012.62121.77771.76323.32983.4938
H72.13111.09003.19012.62121.77771.76323.32983.4938
H81.87642.57661.01483.12542.32953.32983.32983.2471
H91.86793.17772.25260.96583.99373.49383.49383.2471

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 110.730 C1 C2 H6 109.617
C1 C2 H7 109.617 C1 N3 H8 110.150
C1 O4 H9 105.928 C2 C1 N3 129.324
C2 C1 O4 111.101 N3 C1 O4 119.574
H5 C2 H6 109.432 H5 C2 H7 109.432
H6 C2 H7 107.964
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability