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

using model chemistry: M06-2X/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-265.807649
Energy at 298.15K-265.809413
HF Energy-265.807649
Nuclear repulsion energy144.546087
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/6-31+G**
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' 3820 3638 126.53      
2 A' 3479 3313 59.42      
3 A' 2282 2172 79.87      
4 A' 1866 1777 436.75      
5 A' 1386 1320 165.77      
6 A' 1217 1159 341.81      
7 A' 843 803 37.00      
8 A' 715 681 46.95      
9 A' 610 581 7.19      
10 A' 539 514 26.59      
11 A' 196 186 6.46      
12 A" 790 753 65.96      
13 A" 762 725 34.87      
14 A" 611 582 101.49      
15 A" 273 260 8.84      

Unscaled Zero Point Vibrational Energy (zpe) 9694.4 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 9231.0 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/6-31+G**
ABC
0.40611 0.13752 0.10273

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.494 0.000
C2 -0.230 -0.944 0.000
C3 -0.466 -2.125 0.000
O4 1.309 0.787 0.000
O5 -0.875 1.320 0.000
H6 -0.678 -3.172 0.000
H7 1.387 1.755 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7
C11.45562.65941.34151.20413.72751.8743
C21.45561.20442.31622.35422.27263.1455
C32.65941.20443.41023.46931.06824.2989
O41.34152.31623.41022.24854.42950.9704
O51.20412.35423.46932.24854.49632.3035
H63.72752.27261.06824.42954.49635.3414
H71.87433.14554.29890.97042.30355.3414

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 177.805 C1 O4 H7 107.239
C2 C1 O4 111.740 C2 C1 O5 124.263
C2 C3 H6 179.845 O4 C1 O5 123.997
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.357      
2 C 0.284      
3 C -0.446      
4 O -0.439      
5 O -0.402      
6 H 0.255      
7 H 0.392      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.239 -1.173 0.000 1.706
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.848 6.780 0.000
y 6.780 -19.247 0.000
z 0.000 0.000 -28.540
Traceless
 xyz
x -6.955 6.780 0.000
y 6.780 10.448 0.000
z 0.000 0.000 -3.493
Polar
3z2-r2-6.985
x2-y2-11.602
xy6.780
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.944 0.475 0.000
y 0.475 8.560 0.000
z 0.000 0.000 3.201


<r2> (average value of r2) Å2
<r2> 106.146
(<r2>)1/2 10.303