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

using model chemistry: B3LYPultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-209.213295
Energy at 298.15K-209.219636
HF Energy-209.213295
Nuclear repulsion energy121.642614
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 B3LYPultrafine/6-31G(2df,p)
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' 3750 3619 40.61      
2 A' 3519 3396 1.47      
3 A' 3148 3038 12.40      
4 A' 3049 2943 6.04      
5 A' 1751 1690 212.67      
6 A' 1484 1432 24.82      
7 A' 1445 1395 59.80      
8 A' 1391 1342 1.06      
9 A' 1267 1223 91.93      
10 A' 1111 1072 168.86      
11 A' 1015 979 36.77      
12 A' 871 840 1.96      
13 A' 551 532 37.34      
14 A' 421 407 1.45      
15 A" 3112 3003 7.01      
16 A" 1472 1420 6.24      
17 A" 1069 1032 8.34      
18 A" 850 820 20.98      
19 A" 637 614 115.94      
20 A" 523 505 18.78      
21 A" 123 118 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 16278.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 15708.6 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 B3LYPultrafine/6-31G(2df,p)
ABC
0.36262 0.30997 0.17246

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.134 0.000
C2 0.910 -1.065 0.000
N3 0.294 1.368 0.000
O4 -1.299 -0.244 0.000
H5 1.958 -0.762 0.000
H6 0.713 -1.684 0.880
H7 0.713 -1.684 -0.880
H8 1.302 1.508 0.000
H9 -1.813 0.577 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50491.26871.35292.15342.14222.14221.89241.8663
C21.50492.50952.35661.09071.09431.09432.60193.1796
N31.26872.50952.26642.70313.20413.20411.01722.2506
O41.35292.35662.26643.29802.62652.62653.13550.9686
H52.15341.09072.70313.29801.78161.78162.36294.0017
H62.14221.09433.20412.62651.78161.76083.36273.5027
H72.14221.09433.20412.62651.78161.76083.36273.5027
H81.89242.60191.01723.13552.36293.36273.36273.2506
H91.86633.17962.25060.96864.00173.50273.50273.2506

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 111.117 C1 C2 H6 110.001
C1 C2 H7 110.001 C1 N3 H8 111.289
C1 O4 H9 105.825 C2 C1 N3 129.386
C2 C1 O4 110.992 N3 C1 O4 119.623
H5 C2 H6 109.251 H5 C2 H7 109.251
H6 C2 H7 107.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.387      
2 C -0.447      
3 N -0.515      
4 O -0.375      
5 H 0.129      
6 H 0.150      
7 H 0.150      
8 H 0.221      
9 H 0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.921 -1.055 0.000 1.400
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.131 -1.404 0.000
y -1.404 -26.600 0.000
z 0.000 0.000 -24.413
Traceless
 xyz
x 5.376 -1.404 0.000
y -1.404 -4.329 0.000
z 0.000 0.000 -1.047
Polar
3z2-r2-2.094
x2-y26.470
xy-1.404
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.324 0.195 0.000
y 0.195 5.765 0.000
z 0.000 0.000 3.302


<r2> (average value of r2) Å2
<r2> 74.613
(<r2>)1/2 8.638