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

using model chemistry: M06-2X/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at M06-2X/6-31G*
 hartrees
Energy at 0K-306.331130
Energy at 298.15K-306.337734
HF Energy-306.331130
Nuclear repulsion energy228.329658
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 M06-2X/6-31G*
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 3284 3110 1.52      
2 A 3239 3067 1.94      
3 A 3217 3047 14.48      
4 A 3189 3020 1.95      
5 A 3188 3019 18.01      
6 A 3106 2942 24.93      
7 A 1878 1778 190.46      
8 A 1748 1655 32.50      
9 A 1527 1446 7.44      
10 A 1512 1432 6.54      
11 A 1501 1421 43.75      
12 A 1456 1378 88.47      
13 A 1364 1292 205.90      
14 A 1275 1208 259.53      
15 A 1226 1161 10.62      
16 A 1191 1128 1.46      
17 A 1094 1036 16.04      
18 A 1087 1029 0.53      
19 A 1035 980 33.76      
20 A 1015 962 14.66      
21 A 897 850 10.05      
22 A 833 789 32.23      
23 A 682 646 6.33      
24 A 530 502 0.17      
25 A 482 457 1.31      
26 A 358 339 17.44      
27 A 230 217 3.85      
28 A 200 189 4.71      
29 A 112 106 0.85      
30 A 89 84 2.03      

Unscaled Zero Point Vibrational Energy (zpe) 21272.1 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 20144.7 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 M06-2X/6-31G*
ABC
0.34666 0.07824 0.06461

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.048 -0.735 0.103
H2 1.899 -0.440 1.428
H3 2.374 0.894 0.343
C4 2.164 -0.172 0.402
O5 1.097 -0.526 -0.483
O6 -0.055 1.359 -0.115
C7 -0.045 0.139 -0.206
H8 -1.113 -1.700 -0.122
C9 -1.198 -0.659 -0.038
H10 -3.230 -0.732 0.370
H11 -2.488 0.921 0.314
C12 -2.392 -0.121 0.234

Atom - Atom Distances (Å)
  H1 H2 H3 C4 O5 O6 C7 H8 C9 H10 H11 C12
H11.77921.78011.09062.04863.75003.22924.27754.24966.28435.78295.4768
H21.77921.78471.09322.07493.07172.60483.61403.43375.24524.72664.4655
H31.78011.78471.08852.08072.51472.59244.37083.91365.83534.86234.8740
C41.09061.09321.08851.43102.74472.31183.65333.42555.42314.77954.5594
O52.04862.07492.08071.43102.23871.34972.52832.34144.41503.94703.5848
O63.75003.07172.51472.74472.23871.22273.23652.32013.83262.50962.7880
C73.22922.60482.59242.31181.34971.22272.12881.41273.35242.61772.4026
H84.27753.61404.37083.65332.52833.23652.12881.04812.37952.99152.0636
C94.24963.43373.91363.42552.34142.32011.41271.04812.07392.06951.3378
H106.28435.24525.83535.42314.41503.83263.35242.37952.07391.81231.0463
H115.78294.72664.86234.77953.94702.50962.61772.99152.06951.81231.0485
C125.47684.46554.87404.55943.58482.78802.40262.06361.33781.04631.0485

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 109.116 H1 C4 H3 109.552
H1 C4 O5 107.899 H2 C4 H3 109.780
H2 C4 O5 109.842 H3 C4 O5 110.614
C4 O5 C7 112.451 O5 C7 O6 120.905
O5 C7 C9 115.883 O6 C7 C9 123.212
C7 C9 H8 119.040 C7 C9 C12 121.711
H8 C9 C12 119.248 C9 C12 H10 120.405
C9 C12 H11 119.792 H10 C12 H11 119.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.181      
2 H 0.184      
3 H 0.184      
4 C -0.243      
5 O -0.494      
6 O -0.497      
7 C 0.623      
8 H 0.187      
9 C -0.165      
10 H 0.180      
11 H 0.204      
12 C -0.343      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.059 -1.435 -0.000 1.437
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.795 0.743 -0.000
y 0.743 -38.114 0.000
z -0.000 0.000 -35.804
Traceless
 xyz
x 11.164 0.743 -0.000
y 0.743 -7.315 0.000
z -0.000 0.000 -3.849
Polar
3z2-r2-7.698
x2-y212.320
xy0.743
xz-0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.017 -0.564 -0.000
y -0.564 6.679 0.000
z -0.000 0.000 3.790


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000