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

using model chemistry: B3LYP/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 B3LYP/TZVP
 hartrees
Energy at 0K-266.003310
Energy at 298.15K-266.004965
HF Energy-266.003310
Nuclear repulsion energy144.674149
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 B3LYP/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' 3732 3603 92.15      
2 A' 3471 3351 56.82      
3 A' 2233 2156 67.85      
4 A' 1789 1727 381.79      
5 A' 1354 1307 85.53      
6 A' 1166 1125 406.72      
7 A' 825 796 25.17      
8 A' 693 669 42.54      
9 A' 606 585 5.76      
10 A' 532 513 24.66      
11 A' 195 188 6.33      
12 A" 771 745 73.79      
13 A" 719 694 15.10      
14 A" 585 565 91.92      
15 A" 233 225 8.23      

Unscaled Zero Point Vibrational Energy (zpe) 9451.4 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 9124.4 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 B3LYP/TZVP
ABC
0.40341 0.13864 0.10318

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.487 0.000
C2 -0.229 -0.939 0.000
C3 -0.479 -2.112 0.000
O4 1.318 0.782 0.000
O5 -0.874 1.316 0.000
H6 -0.701 -3.152 0.000
H7 1.394 1.750 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7
C11.44432.64321.35091.20463.70631.8811
C21.44431.19972.31432.34572.26313.1409
C32.64321.19973.40723.45121.06344.2928
O41.35092.31433.40722.25624.42240.9710
O51.20462.34573.45122.25624.47192.3089
H63.70632.26311.06344.42244.47195.3314
H71.88113.14094.29280.97102.30895.3314

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 177.067 C1 O4 H7 107.086
C2 C1 O4 111.734 C2 C1 O5 124.384
C2 C3 H6 179.995 O4 C1 O5 123.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.121      
2 C -0.081      
3 C 0.007      
4 O -0.266      
5 O -0.274      
6 H 0.190      
7 H 0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.199 -1.176 0.000 1.680
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.800 6.707 0.000
y 6.707 -19.783 0.000
z 0.000 0.000 -28.332
Traceless
 xyz
x -6.742 6.707 0.000
y 6.707 9.783 0.000
z 0.000 0.000 -3.041
Polar
3z2-r2-6.082
x2-y2-11.017
xy6.707
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.862 0.641 0.000
y 0.641 8.733 0.000
z 0.000 0.000 3.051


<r2> (average value of r2) Å2
<r2> 105.808
(<r2>)1/2 10.286