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

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-306.593086
Energy at 298.15K-306.599692
HF Energy-306.593086
Nuclear repulsion energy227.572022
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 B3LYPultrafine/aug-cc-pVTZ
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 3237 3132 1.79      
2 A 3186 3083 2.90      
3 A 3152 3049 14.16      
4 A 3147 3044 4.17      
5 A 3119 3017 17.23      
6 A 3051 2952 29.53      
7 A 1771 1713 204.59      
8 A 1692 1637 26.93      
9 A 1498 1449 8.42      
10 A 1485 1437 8.88      
11 A 1473 1425 24.92      
12 A 1441 1394 59.45      
13 A 1330 1287 49.71      
14 A 1222 1182 285.99      
15 A 1201 1162 157.07      
16 A 1173 1135 0.94      
17 A 1084 1049 1.22      
18 A 1028 995 21.25      
19 A 1018 985 16.65      
20 A 1016 983 26.95      
21 A 865 837 10.75      
22 A 835 808 26.09      
23 A 667 645 5.48      
24 A 530 513 0.03      
25 A 473 457 1.88      
26 A 338 327 14.99      
27 A 222 215 4.73      
28 A 197 190 4.31      
29 A 130 126 0.36      
30 A 92 89 2.71      

Unscaled Zero Point Vibrational Energy (zpe) 20833.5 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 20156.4 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.34448 0.07730 0.06389

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -3.025 -0.918 -0.003
H2 -2.445 0.522 -0.883
H3 -2.447 0.517 0.887
C4 -2.311 -0.100 0.000
O5 -1.014 -0.706 0.000
O6 -0.049 1.329 -0.000
C7 0.041 0.126 -0.000
H8 1.234 -1.722 -0.001
C9 1.316 -0.644 -0.000
H10 3.420 -0.576 0.001
H11 2.543 1.056 0.002
C12 2.490 -0.025 0.001

Atom - Atom Distances (Å)
  H1 H2 H3 C4 O5 O6 C7 H8 C9 H10 H11 C12
H11.78481.78471.08582.02143.72863.23864.33404.34936.45405.90755.5866
H21.78481.77081.08892.08252.67782.66784.39894.03536.03225.09405.0432
H31.78471.77081.08902.08252.68322.67104.39944.03716.03405.09735.0456
C41.08581.08891.08901.43142.67522.36283.89853.66745.75094.98984.8015
O52.02142.08252.08251.43142.25241.34402.46722.33124.43653.97023.5701
O63.72862.67782.68322.67522.25241.20643.30962.39873.95762.60652.8772
C73.23862.66782.67102.36281.34401.20642.19941.48913.45112.66942.4535
H84.33404.39894.39943.89852.46723.30962.19941.08142.46853.07122.1116
C94.34934.03534.03713.66742.33122.39871.48911.08142.10532.09651.3273
H106.45406.03226.03405.75094.43653.95763.45112.46852.10531.85261.0813
H115.90755.09405.09734.98983.97022.60652.66943.07122.09651.85261.0819
C125.58665.04325.04564.80153.57012.87722.45352.11161.32731.08131.0819

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 110.306 H1 C4 H3 110.294
H1 C4 O5 106.029 H2 C4 H3 108.792
H2 C4 O5 110.704 H3 C4 O5 110.703
C4 O5 C7 116.680 O5 C7 O6 123.962
O5 C7 C9 110.638 O6 C7 C9 125.400
C7 C9 H8 116.768 C7 C9 C12 121.078
H8 C9 C12 122.154 C9 C12 H10 121.541
C9 C12 H11 120.626 H10 C12 H11 117.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.262      
2 H 0.269      
3 H 0.268      
4 C -0.526      
5 O -0.281      
6 O -0.726      
7 C 0.650      
8 H 0.297      
9 C 0.022      
10 H 0.360      
11 H 0.220      
12 C -0.813      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.083 -1.613 -0.000 1.615
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.624 -0.617 0.001
y -0.617 -39.325 0.000
z 0.001 0.000 -36.570
Traceless
 xyz
x 11.323 -0.617 0.001
y -0.617 -7.728 0.000
z 0.001 0.000 -3.596
Polar
3z2-r2-7.191
x2-y212.701
xy-0.617
xz0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.272 0.358 -0.000
y 0.358 8.150 0.000
z -0.000 0.000 6.143


<r2> (average value of r2) Å2
<r2> 177.878
(<r2>)1/2 13.337