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

using model chemistry: HF/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 HF/TZVP
 hartrees
Energy at 0K-208.034399
Energy at 298.15K-208.040986
HF Energy-208.034399
Nuclear repulsion energy123.016752
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 HF/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' 4109 3734 96.12      
2 A' 3779 3433 10.67      
3 A' 3279 2980 19.85      
4 A' 3192 2900 8.27      
5 A' 1900 1726 346.24      
6 A' 1604 1458 22.21      
7 A' 1569 1425 75.91      
8 A' 1507 1370 13.33      
9 A' 1377 1251 101.67      
10 A' 1198 1089 196.33      
11 A' 1112 1010 54.57      
12 A' 928 843 0.51      
13 A' 600 545 44.40      
14 A' 460 418 1.93      
15 A" 3255 2958 11.98      
16 A" 1594 1449 7.99      
17 A" 1174 1067 9.48      
18 A" 932 847 40.69      
19 A" 661 600 128.43      
20 A" 558 507 56.51      
21 A" 146 133 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 17466.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 15869.8 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 HF/TZVP
ABC
0.37111 0.31547 0.17601

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.136 0.000
C2 0.877 -1.081 0.000
N3 0.331 1.338 0.000
O4 -1.293 -0.198 0.000
H5 1.922 -0.806 0.000
H6 0.661 -1.681 0.875
H7 0.661 -1.681 -0.875
H8 1.323 1.457 0.000
H9 -1.805 0.598 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50011.24681.33592.14092.12282.12281.87001.8631
C21.50012.47962.34321.08051.08311.08312.57703.1642
N31.24682.47962.23602.67013.16103.16100.99912.2609
O41.33592.34322.23603.27272.60512.60513.09640.9463
H52.14091.08052.67013.27271.76681.76682.34163.9830
H62.12281.08313.16102.60511.76681.75013.32503.4704
H72.12281.08313.16102.60511.76681.75013.32503.4704
H81.87002.57700.99913.09642.34163.32503.32503.2442
H91.86313.16422.26090.94633.98303.47043.47043.2442

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 111.076 C1 C2 H6 109.465
C1 C2 H7 109.465 C1 N3 H8 112.271
C1 O4 H9 108.232 C2 C1 N3 128.796
C2 C1 O4 111.299 N3 C1 O4 119.905
H5 C2 H6 109.492 H5 C2 H7 109.492
H6 C2 H7 107.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.195      
2 C -0.275      
3 N -0.359      
4 O -0.360      
5 H 0.090      
6 H 0.114      
7 H 0.114      
8 H 0.171      
9 H 0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.252 -1.278 0.000 1.790
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.494 -1.821 0.000
y -1.821 -27.776 0.000
z 0.000 0.000 -25.090
Traceless
 xyz
x 5.939 -1.821 0.000
y -1.821 -4.984 0.000
z 0.000 0.000 -0.954
Polar
3z2-r2-1.909
x2-y27.282
xy-1.821
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.914 0.328 0.000
y 0.328 5.844 0.000
z 0.000 0.000 3.568


<r2> (average value of r2) Å2
<r2> 73.905
(<r2>)1/2 8.597