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All results from a given calculation for C3H2O2 (Propiolic acid)

using model chemistry: M06-2X/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-311G**
 hartrees
Energy at 0K-265.872748
Energy at 298.15K-265.874519
HF Energy-265.872748
Nuclear repulsion energy145.062346
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 M06-2X/6-311G**
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' 3829 3829 116.52      
2 A' 3479 3479 55.00      
3 A' 2271 2271 77.36      
4 A' 1884 1884 400.88      
5 A' 1387 1387 129.25      
6 A' 1217 1217 369.11      
7 A' 841 841 40.44      
8 A' 745 745 37.03      
9 A' 615 615 7.22      
10 A' 543 543 26.02      
11 A' 198 198 5.78      
12 A" 795 795 79.81      
13 A" 775 775 15.20      
14 A" 600 600 92.09      
15 A" 252 252 9.31      

Unscaled Zero Point Vibrational Energy (zpe) 9714.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9714.8 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 M06-2X/6-311G**
ABC
0.40848 0.13847 0.10342

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.496 0.000
C2 -0.231 -0.942 0.000
C3 -0.472 -2.115 0.000
O4 1.308 0.781 0.000
O5 -0.869 1.317 0.000
H6 -0.683 -3.158 0.000
H7 1.385 1.745 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7
C11.45602.65271.33901.19553.71721.8652
C21.45601.19722.31062.34702.26193.1356
C32.65271.19723.39903.45471.06474.2831
O41.33902.31063.39902.24204.41390.9672
O51.19552.34703.45472.24204.47912.2938
H63.71722.26191.06474.41394.47915.3215
H71.86523.13564.28310.96722.29385.3215

picture of Propiolic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 177.579 C1 O4 H7 106.840
C2 C1 O4 111.449 C2 C1 O5 124.248
C2 C3 H6 179.882 O4 C1 O5 124.302
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.315      
2 C 0.012      
3 C -0.083      
4 O -0.340      
5 O -0.332      
6 H 0.145      
7 H 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.199 -1.025 0.000 1.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.278 6.524 0.000
y 6.524 -19.131 0.000
z 0.000 0.000 -28.044
Traceless
 xyz
x -6.691 6.524 0.000
y 6.524 10.030 0.000
z 0.000 0.000 -3.339
Polar
3z2-r2-6.678
x2-y2-11.147
xy6.524
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.203 0.633 0.000
y 0.633 7.938 0.000
z 0.000 0.000 2.524


<r2> (average value of r2) Å2
<r2> 105.300
(<r2>)1/2 10.262