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All results from a given calculation for C4H6O2 (2-Propenoic acid, methyl ester)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-304.807282
Energy at 298.15K-304.814220
HF Energy-304.807282
Nuclear repulsion energy230.164800
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3392 3074 2.83      
2 A 3350 3037 3.19      
3 A 3300 2991 7.29      
4 A 3294 2986 25.78      
5 A 3275 2968 28.40      
6 A 3202 2902 40.18      
7 A 1958 1775 291.19      
8 A 1837 1665 44.58      
9 A 1624 1472 5.90      
10 A 1613 1462 7.43      
11 A 1612 1461 39.77      
12 A 1558 1412 116.96      
13 A 1445 1310 173.51      
14 A 1368 1240 412.66      
15 A 1324 1200 65.32      
16 A 1291 1170 2.96      
17 A 1171 1062 1.61      
18 A 1145 1038 23.20      
19 A 1126 1020 21.16      
20 A 1116 1012 37.13      
21 A 948 859 11.10      
22 A 928 842 41.67      
23 A 726 658 10.05      
24 A 577 523 0.00      
25 A 505 457 2.57      
26 A 368 334 17.54      
27 A 239 217 5.50      
28 A 202 183 4.25      
29 A 160 145 0.93      
30 A 92 83 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 22371.9 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 20277.9 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 HF/Def2TZVPP
ABC
0.35685 0.07841 0.06506

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.998 -0.902 -0.002
H2 -2.413 0.521 -0.879
H3 -2.414 0.519 0.880
C4 -2.290 -0.091 -0.000
O5 -1.005 -0.696 0.000
O6 -0.062 1.293 0.000
C7 0.043 0.114 0.000
H8 1.248 -1.706 -0.000
C9 1.316 -0.638 -0.000
H10 3.396 -0.541 -0.000
H11 2.499 1.065 -0.000
C12 2.467 -0.006 -0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 O5 O6 C7 H8 C9 H10 H11 C12
H11.77141.77141.07712.00423.66593.20644.32164.32276.40445.83895.5379
H21.77141.75901.07792.05872.62582.64004.37424.00295.97015.01974.9861
H31.77141.75901.07792.05872.62792.64114.37444.00375.97125.02144.9873
C41.07711.07791.07791.42082.62242.34173.88903.64755.70354.92664.7573
O52.00422.05872.05871.42082.20101.32432.46842.32174.40333.92173.5393
O63.66592.62582.62792.62242.20101.18333.27202.37193.91392.57122.8427
C73.20642.64002.64112.34171.32431.18332.18261.47883.41642.63412.4268
H84.32164.37424.37443.88902.46843.27202.18261.07022.44353.04042.0915
C94.32274.00294.00373.64752.32172.37191.47881.07022.08182.07351.3124
H106.40445.97015.97125.70354.40333.91393.41642.44352.08181.83951.0721
H115.83895.01975.02144.92663.92172.57122.63413.04042.07351.83951.0718
C125.53794.98614.98734.75733.53932.84272.42682.09151.31241.07211.0718

picture of 2-Propenoic acid, methyl ester state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 H2 110.574 H1 C4 H3 110.570
H1 C4 O5 105.896 H2 C4 H3 109.358
H2 C4 O5 110.204 H3 C4 O5 110.200
C4 O5 C7 117.050 O5 C7 O6 122.639
O5 C7 C9 111.725 O6 C7 C9 125.636
C7 C9 H8 116.890 C7 C9 C12 120.675
H8 C9 C12 122.435 C9 C12 H10 121.306
C9 C12 H11 120.510 H10 C12 H11 118.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.087      
2 H 0.081      
3 H 0.081      
4 C 0.011      
5 O -0.368      
6 O -0.475      
7 C 0.603      
8 H 0.095      
9 C -0.254      
10 H 0.089      
11 H 0.106      
12 C -0.055      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.014 -1.726 -0.000 1.726
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.698 -0.512 0.000
y -0.512 -39.195 0.000
z 0.000 0.000 -36.394
Traceless
 xyz
x 12.097 -0.512 0.000
y -0.512 -8.149 0.000
z 0.000 0.000 -3.947
Polar
3z2-r2-7.895
x2-y213.497
xy-0.512
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.419 0.571 0.000
y 0.571 7.103 0.000
z 0.000 0.000 5.299


<r2> (average value of r2) Å2
<r2> 174.943
(<r2>)1/2 13.227