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

using model chemistry: wB97X-D/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 wB97X-D/TZVP
 hartrees
Energy at 0K-265.905689
Energy at 298.15K-265.907403
HF Energy-265.905689
Nuclear repulsion energy145.134058
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 wB97X-D/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' 3821 3649 96.24      
2 A' 3480 3323 54.84      
3 A' 2268 2166 74.06      
4 A' 1843 1760 415.50      
5 A' 1383 1321 119.93      
6 A' 1204 1149 378.48      
7 A' 836 799 36.02      
8 A' 725 692 42.23      
9 A' 614 586 7.04      
10 A' 540 516 24.35      
11 A' 197 188 6.59      
12 A" 784 749 68.69      
13 A" 734 701 27.95      
14 A" 598 571 90.05      
15 A" 236 225 9.99      

Unscaled Zero Point Vibrational Energy (zpe) 9630.7 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 9197.3 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 wB97X-D/TZVP
ABC
0.40805 0.13893 0.10364

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.485 0.000
C2 -0.226 -0.941 0.000
C3 -0.459 -2.112 0.000
O4 1.306 0.791 0.000
O5 -0.874 1.309 0.000
H6 -0.710 -3.147 0.000
H7 1.363 1.756 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7
C11.44422.63821.34121.20093.70131.8634
C21.44421.19452.31202.34172.25873.1304
C32.63821.19453.39773.44681.06474.2763
O41.34122.31203.39772.24054.42400.9673
O51.20092.34173.44682.24054.45952.2806
H63.70132.25871.06474.42404.45955.3236
H71.86343.13044.27630.96732.28065.3236

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 177.740 C1 O4 H7 106.521
C2 C1 O4 112.158 C2 C1 O5 124.320
C2 C3 H6 177.622 O4 C1 O5 123.523
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.143      
2 C -0.072      
3 C -0.018      
4 O -0.268      
5 O -0.286      
6 H 0.188      
7 H 0.313      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.273 -1.117 0.000 1.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.532 6.720 0.000
y 6.720 -19.320 0.000
z 0.000 0.000 -28.117
Traceless
 xyz
x -6.813 6.720 0.000
y 6.720 10.005 0.000
z 0.000 0.000 -3.191
Polar
3z2-r2-6.382
x2-y2-11.212
xy6.720
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.744 0.542 0.000
y 0.542 8.465 0.000
z 0.000 0.000 3.025


<r2> (average value of r2) Å2
<r2> 105.217
(<r2>)1/2 10.258