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

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-265.843521
Energy at 298.15K-265.845077
HF Energy-265.843521
Nuclear repulsion energy144.060595
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 B97D3/cc-pVTZ
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' 3658 3607 67.57      
2 A' 3423 3375 47.38      
3 A' 2164 2134 53.52      
4 A' 1735 1711 305.99      
5 A' 1325 1306 61.39      
6 A' 1124 1108 384.72      
7 A' 804 793 17.90      
8 A' 638 629 39.26      
9 A' 580 572 2.81      
10 A' 514 507 23.86      
11 A' 184 181 5.34      
12 A" 752 742 54.86      
13 A" 693 684 16.13      
14 A" 584 576 76.72      
15 A" 234 231 7.52      

Unscaled Zero Point Vibrational Energy (zpe) 9205.7 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 9076.8 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 B97D3/cc-pVTZ
ABC
0.39785 0.13795 0.10243

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.488 0.000
C2 -0.216 -0.941 0.000
C3 -0.479 -2.120 0.000
O4 1.325 0.792 0.000
O5 -0.888 1.312 0.000
H6 -0.707 -3.161 0.000
H7 1.374 1.764 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7
C11.44512.65101.36011.21133.71671.8753
C21.44511.20752.32002.35102.27363.1381
C32.65101.20753.42583.45601.06614.3032
O41.36012.32003.42582.27324.44530.9731
O51.21132.35103.45602.27324.47692.3060
H63.71672.27361.06614.44534.47695.3468
H71.87533.13814.30320.97312.30605.3468

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 175.536 C1 O4 H7 105.669
C2 C1 O4 111.782 C2 C1 O5 124.102
C2 C3 H6 173.045 O4 C1 O5 124.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.245      
2 C 0.071      
3 C -0.161      
4 O -0.228      
5 O -0.275      
6 H 0.125      
7 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.188 -1.032 0.000 1.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.977 6.251 0.000
y 6.251 -19.603 0.000
z 0.000 0.000 -27.936
Traceless
 xyz
x -6.208 6.251 0.000
y 6.251 9.353 0.000
z 0.000 0.000 -3.146
Polar
3z2-r2-6.291
x2-y2-10.374
xy6.251
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.155 0.800 0.000
y 0.800 9.139 0.000
z 0.000 0.000 3.298


<r2> (average value of r2) Å2
<r2> 106.140
(<r2>)1/2 10.302