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: MP3=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 MP3=FULL/TZVP
 hartrees
Energy at 0K-208.786940
Energy at 298.15K-208.793300
HF Energy-208.033127
Nuclear repulsion energy122.065438
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 MP3=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' 3888 3630 54.83      
2 A' 3604 3365 4.93      
3 A' 3209 2996 12.43      
4 A' 3109 2903 5.94      
5 A' 1807 1687 218.48      
6 A' 1522 1421 17.31      
7 A' 1488 1389 60.70      
8 A' 1429 1334 0.93      
9 A' 1313 1226 91.65      
10 A' 1145 1069 179.28      
11 A' 1047 977 46.11      
12 A' 895 835 1.17      
13 A' 567 529 43.37      
14 A' 435 406 1.98      
15 A" 3186 2975 6.49      
16 A" 1497 1397 7.95      
17 A" 1091 1019 4.04      
18 A" 873 815 30.70      
19 A" 586 548 122.59      
20 A" 504 470 34.40      
21 A" 120 112 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 16656.0 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 15551.7 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 MP3=FULL/TZVP
ABC
0.36437 0.31247 0.17362

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.911 -1.059 0.000
N3 0.294 1.362 0.000
O4 -1.299 -0.243 0.000
H5 1.951 -0.747 0.000
H6 0.715 -1.668 0.880
H7 0.715 -1.668 -0.880
H8 1.300 1.479 0.000
H9 -1.813 0.570 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49991.26311.35232.14062.12842.12841.87101.8647
C21.49992.49752.35501.08611.08831.08832.56743.1734
N31.26312.49752.26132.68203.18293.18291.01232.2506
O41.35232.35502.26133.28882.61882.61883.11750.9624
H52.14061.08612.68203.28881.77531.77532.31993.9879
H62.12841.08833.18292.61881.77531.76003.32013.4890
H72.12841.08833.18292.61881.77531.76003.32013.4890
H81.87102.56741.01233.11752.31993.32013.32013.2424
H91.86473.17342.25060.96243.98793.48903.48903.2424

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 110.728 C1 C2 H6 109.614
C1 C2 H7 109.614 C1 N3 H8 110.135
C1 O4 H9 106.110 C2 C1 N3 129.151
C2 C1 O4 111.214 N3 C1 O4 119.635
H5 C2 H6 109.460 H5 C2 H7 109.460
H6 C2 H7 107.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability