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

using model chemistry: CCD/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 CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-208.676954
Energy at 298.15K-208.683336
HF Energy-207.992490
Nuclear repulsion energy120.910519
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 CCD/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' 3815 3680 57.00      
2 A' 3542 3416 6.03      
3 A' 3169 3057 11.89      
4 A' 3065 2956 6.55      
5 A' 1776 1713 217.21      
6 A' 1485 1432 19.07      
7 A' 1455 1403 58.49      
8 A' 1389 1340 0.49      
9 A' 1291 1245 86.80      
10 A' 1128 1088 179.08      
11 A' 1020 984 36.19      
12 A' 882 851 1.61      
13 A' 552 533 38.02      
14 A' 424 408 2.13      
15 A" 3143 3031 6.64      
16 A" 1469 1417 6.96      
17 A" 1068 1030 3.83      
18 A" 864 833 29.02      
19 A" 605 584 105.90      
20 A" 525 507 28.41      
21 A" 137 132 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 16402.0 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 15819.7 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 CCD/aug-cc-pVDZ
ABC
0.35751 0.30686 0.17047

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.936 -1.052 0.000
N3 0.271 1.382 0.000
O4 -1.304 -0.269 0.000
H5 1.984 -0.722 0.000
H6 0.744 -1.673 0.891
H7 0.744 -1.673 -0.891
H8 1.284 1.524 0.000
H9 -1.838 0.538 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51021.27831.36472.16072.14702.14701.89231.8825
C21.51022.52352.37261.09931.10241.10242.59923.1976
N31.27832.52352.28242.71333.21753.21751.02202.2725
O41.36472.37262.28243.31922.63812.63813.14800.9681
H52.16071.09932.71333.31921.79871.79872.35234.0249
H62.14701.10243.21752.63811.79871.78103.36203.5146
H72.14701.10243.21752.63811.79871.78103.36203.5146
H81.89232.59921.02203.14802.35233.36203.36203.2739
H91.88253.19762.27250.96814.02493.51463.51463.2739

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 110.803 C1 C2 H6 109.546
C1 C2 H7 109.546 C1 N3 H8 110.205
C1 O4 H9 106.356 C2 C1 N3 129.457
C2 C1 O4 111.136 N3 C1 O4 119.407
H5 C2 H6 109.561 H5 C2 H7 109.561
H6 C2 H7 107.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability