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

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-265.826466
Energy at 298.15K-265.828186
HF Energy-265.826466
Nuclear repulsion energy144.764382
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 B1B95/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' 3766 3620 101.03      
2 A' 3502 3366 55.60      
3 A' 2259 2172 70.00      
4 A' 1859 1787 345.95      
5 A' 1392 1338 139.70      
6 A' 1207 1161 321.86      
7 A' 842 809 32.61      
8 A' 695 668 34.55      
9 A' 597 574 6.89      
10 A' 530 509 27.96      
11 A' 192 184 5.08      
12 A" 791 760 60.46      
13 A" 745 716 17.84      
14 A" 615 591 79.39      
15 A" 255 246 8.09      

Unscaled Zero Point Vibrational Energy (zpe) 9623.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 9250.2 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 B1B95/cc-pVDZ
ABC
0.40732 0.13808 0.10312

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.491 0.000
C2 -0.211 -0.941 0.000
C3 -0.458 -2.124 0.000
O4 1.304 0.799 0.000
O5 -0.886 1.306 0.000
H6 -0.669 -3.174 0.000
H7 1.341 1.769 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7
C11.44782.65511.33931.20353.72641.8522
C21.44781.20852.30672.34642.28003.1230
C32.65511.20853.41273.45681.07154.2887
O41.33932.30673.41272.24714.43620.9711
O51.20352.34643.45682.24714.48602.2739
H63.72642.28001.07154.43624.48605.3368
H71.85223.12304.28870.97112.27395.3368

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 176.569 C1 O4 H7 105.473
C2 C1 O4 111.653 C2 C1 O5 124.247
C2 C3 H6 179.559 O4 C1 O5 124.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.029      
2 C 0.453      
3 C -0.289      
4 O -0.154      
5 O -0.218      
6 H 0.016      
7 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.212 -0.942 0.000 1.535
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.669 6.100 0.000
y 6.100 -18.864 0.000
z 0.000 0.000 -27.572
Traceless
 xyz
x -6.451 6.100 0.000
y 6.100 9.756 0.000
z 0.000 0.000 -3.306
Polar
3z2-r2-6.612
x2-y2-10.805
xy6.100
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.103 0.748 0.000
y 0.748 8.141 0.000
z 0.000 0.000 2.367


<r2> (average value of r2) Å2
<r2> 105.277
(<r2>)1/2 10.260