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

using model chemistry: B3LYPultrafine/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/cc-pVDZ
 hartrees
Energy at 0K-265.918096
Energy at 298.15K-265.919784
HF Energy-265.918096
Nuclear repulsion energy144.068915
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 B3LYPultrafine/cc-pVDZ
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' 3698 3587 86.15      
2 A' 3475 3371 56.83      
3 A' 2232 2165 65.71      
4 A' 1811 1757 326.20      
5 A' 1370 1329 95.15      
6 A' 1185 1149 358.47      
7 A' 828 803 27.60      
8 A' 679 658 34.54      
9 A' 592 575 5.08      
10 A' 526 511 25.91      
11 A' 192 187 4.73      
12 A" 779 755 59.03      
13 A" 732 710 14.30      
14 A" 607 588 79.47      
15 A" 257 250 7.42      

Unscaled Zero Point Vibrational Energy (zpe) 9481.5 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 9197.0 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 B3LYPultrafine/cc-pVDZ
ABC
0.40209 0.13705 0.10221

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.492 0.000
C2 -0.216 -0.944 0.000
C3 -0.470 -2.129 0.000
O4 1.315 0.797 0.000
O5 -0.886 1.316 0.000
H6 -0.687 -3.180 0.000
H7 1.361 1.771 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7
C11.45232.66271.35031.20943.73561.8679
C21.45231.21162.31852.35722.28483.1401
C32.66271.21163.42753.46951.07314.3087
O41.35032.31853.42752.26144.45250.9758
O51.20942.35723.46952.26144.49992.2922
H63.73562.28481.07314.45254.49995.3582
H71.86793.14014.30870.97582.29225.3582

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 176.414 C1 O4 H7 105.708
C2 C1 O4 111.581 C2 C1 O5 124.391
C2 C3 H6 179.559 O4 C1 O5 124.028
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.003      
2 C 0.501      
3 C -0.304      
4 O -0.145      
5 O -0.205      
6 H 0.001      
7 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.185 -0.956 0.000 1.522
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.726 6.099 0.000
y 6.099 -19.223 0.000
z 0.000 0.000 -27.643
Traceless
 xyz
x -6.293 6.099 0.000
y 6.099 9.462 0.000
z 0.000 0.000 -3.168
Polar
3z2-r2-6.337
x2-y2-10.503
xy6.099
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.172 0.816 0.000
y 0.816 8.289 0.000
z 0.000 0.000 2.363


<r2> (average value of r2) Å2
<r2> 106.164
(<r2>)1/2 10.304