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

using model chemistry: CISD/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/Def2TZVPP
 hartrees
Energy at 0K-208.732489
Energy at 298.15K-208.738982
HF Energy-208.050710
Nuclear repulsion energy122.890514
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 CISD/Def2TZVPP
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' 3983 3983 80.68      
2 A' 3705 3705 10.02      
3 A' 3266 3266 10.94      
4 A' 3167 3167 4.78      
5 A' 1849 1849 271.34      
6 A' 1554 1554 24.47      
7 A' 1523 1523 76.44      
8 A' 1457 1457 3.48      
9 A' 1325 1325 94.07      
10 A' 1167 1167 191.14      
11 A' 1070 1070 36.01      
12 A' 918 918 0.68      
13 A' 577 577 42.94      
14 A' 441 441 1.61      
15 A" 3239 3239 5.35      
16 A" 1542 1542 7.87      
17 A" 1126 1126 7.43      
18 A" 899 899 30.31      
19 A" 647 647 110.11      
20 A" 545 545 39.87      
21 A" 141 141 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 17069.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17069.6 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 CISD/Def2TZVPP
ABC
0.36916 0.31649 0.17587

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.887 -1.068 0.000
N3 0.318 1.346 0.000
O4 -1.294 -0.217 0.000
H5 1.927 -0.780 0.000
H6 0.679 -1.671 0.873
H7 0.679 -1.671 -0.873
H8 1.314 1.459 0.000
H9 -1.799 0.591 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49261.25441.34002.13202.11612.11611.86751.8562
C21.49262.48012.34061.07901.08191.08192.56283.1567
N31.25442.48012.24512.66613.16203.16201.00292.2473
O41.34002.34062.24513.26922.60142.60143.10030.9530
H52.13201.07902.66613.26921.76521.76522.32123.9698
H62.11611.08193.16202.60141.76521.74663.31173.4668
H72.11611.08193.16202.60141.76521.74663.31173.4668
H81.86752.56281.00293.10032.32123.31173.31173.2320
H91.85623.15672.24730.95303.96983.46683.46683.2320

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 110.983 C1 C2 H6 109.529
C1 C2 H7 109.529 C1 N3 H8 111.152
C1 O4 H9 106.879 C2 C1 N3 128.855
C2 C1 O4 111.331 N3 C1 O4 119.814
H5 C2 H6 109.545 H5 C2 H7 109.545
H6 C2 H7 107.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability