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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-306.429333
Energy at 298.15K-306.435977
Nuclear repulsion energy227.791126
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 mPW1PW91/aug-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 3285 3148 1.44      
2 A 3228 3094 2.85      
3 A 3201 3067 13.67      
4 A 3179 3046 4.21      
5 A 3165 3033 16.66      
6 A 3077 2948 31.42      
7 A 1806 1730 205.17      
8 A 1718 1646 26.81      
9 A 1473 1411 7.97      
10 A 1462 1401 9.78      
11 A 1457 1396 63.73      
12 A 1425 1365 64.93      
13 A 1331 1275 104.16      
14 A 1239 1188 324.55      
15 A 1201 1151 16.58      
16 A 1167 1119 0.67      
17 A 1075 1030 3.46      
18 A 1054 1010 13.26      
19 A 1023 980 50.71      
20 A 1019 976 0.04      
21 A 878 841 9.39      
22 A 838 804 25.80      
23 A 670 642 5.99      
24 A 531 509 0.07      
25 A 476 456 1.80      
26 A 338 324 16.01      
27 A 220 211 4.51      
28 A 201 193 4.13      
29 A 136 130 0.36      
30 A 98 94 2.93      

Unscaled Zero Point Vibrational Energy (zpe) 20984.0 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 20108.9 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 mPW1PW91/aug-cc-pVDZ
ABC
0.34452 0.07778 0.06423

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.026 -0.896 -0.001
H2 2.408 0.539 0.892
H3 2.407 0.540 -0.891
C4 2.292 -0.086 0.000
O5 1.014 -0.724 0.000
O6 0.065 1.319 -0.000
C7 -0.041 0.114 -0.000
H8 -1.242 -1.730 -0.001
C9 -1.313 -0.644 -0.000
H10 -3.427 -0.554 0.000
H11 -2.521 1.081 0.001
C12 -2.486 -0.008 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 O5 O6 C7 H8 C9 H10 H11 C12
H11.79921.79931.09212.01923.69723.22834.34854.34606.46215.88815.5824
H21.79921.78331.09562.08202.62562.64094.38984.00536.00375.03815.0045
H31.79931.78331.09562.08202.62372.63974.38934.00446.00285.03695.0035
C41.09211.09561.09561.42872.63352.34173.89803.64825.73884.95264.7787
O52.01922.08202.08201.42872.25271.34682.47012.32824.44443.96883.5721
O63.69722.62562.62372.63352.25271.21043.31832.39883.96362.59712.8759
C73.22832.64092.63972.34171.34681.21042.20081.48073.45182.66192.4480
H84.34854.38984.38933.89802.47013.31832.20081.08902.48193.08862.1246
C94.34604.00534.00443.64822.32822.39881.48071.08902.11632.10561.3340
H106.46216.00376.00285.73884.44443.96363.45182.48192.11631.86981.0886
H115.88815.03815.03694.95263.96882.59712.66193.08862.10561.86981.0896
C125.58245.00455.00354.77873.57212.87592.44802.12461.33401.08861.0896

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 110.656 H1 C4 H3 110.661
H1 C4 O5 105.674 H2 C4 H3 108.951
H2 C4 O5 110.439 H3 C4 O5 110.437
C4 O5 C7 115.034 O5 C7 O6 123.425
O5 C7 C9 110.770 O6 C7 C9 125.804
C7 C9 H8 117.027 C7 C9 C12 120.765
H8 C9 C12 122.207 C9 C12 H10 121.417
C9 C12 H11 120.304 H10 C12 H11 118.278
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.289      
2 H -0.079      
3 H -0.079      
4 C 0.767      
5 O -0.525      
6 O -0.562      
7 C 0.437      
8 H -0.628      
9 C 1.322      
10 H -0.355      
11 H -0.358      
12 C 0.348      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.034 -1.614 0.000 1.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.257 0.619 -0.001
y 0.619 -38.854 0.002
z -0.001 0.002 -36.437
Traceless
 xyz
x 11.389 0.619 -0.001
y 0.619 -7.507 0.002
z -0.001 0.002 -3.882
Polar
3z2-r2-7.763
x2-y212.597
xy0.619
xz-0.001
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.115 -0.384 -0.000
y -0.384 8.052 0.000
z -0.000 0.000 6.064


<r2> (average value of r2) Å2
<r2> 176.921
(<r2>)1/2 13.301