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

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-205.487421
Energy at 298.15K-205.493420
HF Energy-205.262587
Nuclear repulsion energy117.616542
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 MP2=FULL/STO-3G
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' 3866 3437 17.54      
2 A' 3589 3191 11.03      
3 A' 3558 3163 0.34      
4 A' 3373 2998 0.14      
5 A' 1780 1583 44.06      
6 A' 1707 1518 16.33      
7 A' 1638 1456 27.10      
8 A' 1583 1407 5.60      
9 A' 1407 1251 25.50      
10 A' 1243 1105 86.06      
11 A' 1102 980 15.13      
12 A' 894 795 0.51      
13 A' 505 449 24.52      
14 A' 396 352 0.91      
15 A" 3549 3155 0.11      
16 A" 1705 1516 1.76      
17 A" 1166 1037 4.83      
18 A" 915 813 22.28      
19 A" 646 575 82.84      
20 A" 497 442 0.27      
21 A" 82 73 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 17601.2 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 15645.7 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 MP2=FULL/STO-3G
ABC
0.34293 0.28675 0.16097

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.125 0.000
C2 0.985 -1.071 0.000
N3 0.238 1.433 0.000
O4 -1.342 -0.297 0.000
H5 2.027 -0.707 0.000
H6 0.825 -1.698 0.894
H7 0.825 -1.698 -0.894
H8 1.304 1.525 0.000
H9 -1.825 0.598 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.54901.32991.40642.19092.19212.19211.91361.8854
C21.54902.61292.45181.10321.10411.10412.61563.2682
N31.32992.61292.34302.78943.30933.30931.06992.2258
O41.40642.45182.34303.39322.73122.73123.21261.0175
H52.19091.10322.78943.39321.79571.79572.34674.0669
H62.19211.10413.30932.73121.79571.78853.37953.6192
H72.19211.10413.30932.73121.79571.78853.37953.6192
H81.91362.61561.06993.21262.34673.37953.37953.2636
H91.88543.26822.22581.01754.06693.61923.61923.2636

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 110.256 C1 C2 H6 110.299
C1 C2 H7 110.299 C1 N3 H8 105.253
C1 O4 H9 100.907 C2 C1 N3 130.202
C2 C1 O4 112.023 N3 C1 O4 117.775
H5 C2 H6 108.881 H5 C2 H7 108.881
H6 C2 H7 108.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability