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

using model chemistry: MP3=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-207.211090
Energy at 298.15K-207.217411
HF Energy-206.784040
Nuclear repulsion energy120.027210
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/3-21G*
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' 3573 3573 11.54      
2 A' 3415 3415 1.57      
3 A' 3171 3171 12.53      
4 A' 3091 3091 4.36      
5 A' 1768 1768 110.42      
6 A' 1579 1579 29.25      
7 A' 1488 1488 44.78      
8 A' 1468 1468 15.31      
9 A' 1283 1283 97.10      
10 A' 1116 1116 128.99      
11 A' 1026 1026 124.50      
12 A' 843 843 0.81      
13 A' 547 547 42.25      
14 A' 409 409 3.45      
15 A" 3157 3157 6.50      
16 A" 1569 1569 6.91      
17 A" 1135 1135 11.49      
18 A" 899 899 39.78      
19 A" 621 621 160.48      
20 A" 516 516 28.98      
21 A" 116 116 1.29      

Unscaled Zero Point Vibrational Energy (zpe) 16393.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16393.7 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/3-21G*
ABC
0.35035 0.30393 0.16789

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.141 0.000
C2 1.047 -0.958 0.000
N3 0.126 1.408 0.000
O4 -1.278 -0.417 0.000
H5 2.052 -0.528 0.000
H6 0.912 -1.585 0.887
H7 0.912 -1.585 -0.887
H8 1.100 1.738 0.000
H9 -1.918 0.339 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51731.27301.39432.15892.14452.14451.93891.9283
C21.51732.53792.38671.09351.09491.09492.69593.2360
N31.27302.53792.30222.73093.21903.21901.02772.3068
O41.39432.38672.30223.33232.63612.63613.20850.9906
H52.15891.09352.73093.33231.78991.78992.45844.0643
H62.14451.09493.21902.63611.78991.77383.44463.5358
H72.14451.09493.21902.63611.78991.77383.44463.5358
H81.93892.69591.02773.20852.45843.44463.44463.3261
H91.92833.23602.30680.99064.06433.53583.53583.3261

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 110.510 C1 C2 H6 109.294
C1 C2 H7 109.294 C1 N3 H8 114.443
C1 O4 H9 106.690 C2 C1 N3 130.684
C2 C1 O4 110.044 N3 C1 O4 119.272
H5 C2 H6 109.752 H5 C2 H7 109.752
H6 C2 H7 108.198
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability