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

using model chemistry: BLYP/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 BLYP/TZVP
 hartrees
Energy at 0K-265.953589
Energy at 298.15K-265.955075
HF Energy-265.953589
Nuclear repulsion energy143.320920
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 BLYP/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' 3580 3571 66.94      
2 A' 3399 3391 55.23      
3 A' 2153 2148 54.65      
4 A' 1693 1689 324.92      
5 A' 1298 1295 48.68      
6 A' 1097 1094 410.41      
7 A' 791 789 14.77      
8 A' 636 635 42.65      
9 A' 580 578 2.77      
10 A' 510 508 23.26      
11 A' 186 186 5.94      
12 A" 735 733 65.57      
13 A" 661 659 10.30      
14 A" 565 564 88.84      
15 A" 219 219 6.96      

Unscaled Zero Point Vibrational Energy (zpe) 9052.0 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 9029.4 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 BLYP/TZVP
ABC
0.39264 0.13692 0.10152

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.486 0.000
C2 -0.226 -0.943 0.000
C3 -0.494 -2.124 0.000
O4 1.339 0.785 0.000
O5 -0.884 1.326 0.000
H6 -0.727 -3.167 0.000
H7 1.404 1.765 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7
C11.44662.65591.37231.21913.72421.8995
C21.44661.21072.33212.36182.27943.1610
C32.65591.21073.43843.47141.06874.3272
O41.37232.33213.43842.28774.45960.9818
O51.21912.36183.47142.28774.49502.3297
H63.72422.27941.06874.45964.49505.3725
H71.89953.16104.32720.98182.32975.3725

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 176.265 C1 O4 H7 106.398
C2 C1 O4 111.620 C2 C1 O5 124.529
C2 C3 H6 179.870 O4 C1 O5 123.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.076      
2 C -0.054      
3 C -0.002      
4 O -0.246      
5 O -0.244      
6 H 0.180      
7 H 0.290      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.122 -1.148 0.000 1.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.901 6.622 0.000
y 6.622 -20.102 0.000
z 0.000 0.000 -28.520
Traceless
 xyz
x -6.591 6.622 0.000
y 6.622 9.609 0.000
z 0.000 0.000 -3.018
Polar
3z2-r2-6.036
x2-y2-10.800
xy6.622
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.176 0.802 0.000
y 0.802 9.322 0.000
z 0.000 0.000 3.147


<r2> (average value of r2) Å2
<r2> 107.372
(<r2>)1/2 10.362