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

using model chemistry: MP4=FULL/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 MP4=FULL/cc-pVDZ
 hartrees
Energy at 0K-265.256710
Energy at 298.15K-265.258265
HF Energy-264.448359
Nuclear repulsion energy142.899396
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 MP4=FULL/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' 3746 3615        
2 A' 3467 3346        
3 A' 2124 2050        
4 A' 1782 1719        
5 A' 1377 1329        
6 A' 1189 1148        
7 A' 814 785        
8 A' 631 609        
9 A' 567 547        
10 A' 522 504        
11 A' 177 171        
12 A" 765 738        
13 A" 656 633        
14 A" 594 573        
15 A" 246 237        

Unscaled Zero Point Vibrational Energy (zpe) 9328.0 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 9002.4 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 MP4=FULL/cc-pVDZ
ABC
0.39597 0.13453 0.10042

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.503 0.000
C2 -0.211 -0.949 0.000
C3 -0.471 -2.154 0.000
O4 1.323 0.801 0.000
O5 -0.895 1.329 0.000
H6 -0.684 -3.211 0.000
H7 1.354 1.776 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7
C11.46722.69801.35591.21813.77621.8587
C21.46721.23232.32742.37882.31073.1427
C32.69801.23233.45693.50861.07854.3329
O41.35592.32743.45692.27944.48640.9751
O51.21812.37883.50862.27944.54492.2930
H63.77622.31071.07854.48644.54495.3875
H71.85873.14274.33290.97512.29305.3875

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 176.093 C1 O4 H7 104.579
C2 C1 O4 110.996 C2 C1 O5 124.447
C2 C3 H6 179.247 O4 C1 O5 124.556
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability