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

using model chemistry: B3LYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-306.546883
Energy at 298.15K-306.553502
Nuclear repulsion energy227.408156
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 B3LYP/6-311G*
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 3240 3130 5.97      
2 A 3189 3082 5.13      
3 A 3165 3058 22.31      
4 A 3148 3042 6.99      
5 A 3127 3022 27.14      
6 A 3057 2954 32.29      
7 A 1794 1733 189.65      
8 A 1699 1642 28.88      
9 A 1516 1465 8.72      
10 A 1502 1451 8.90      
11 A 1486 1435 19.72      
12 A 1444 1396 65.80      
13 A 1335 1290 57.46      
14 A 1230 1189 217.67      
15 A 1208 1167 214.32      
16 A 1184 1144 0.62      
17 A 1089 1052 2.02      
18 A 1028 993 31.83      
19 A 1025 990 17.74      
20 A 995 961 21.79      
21 A 872 843 10.97      
22 A 828 800 30.79      
23 A 671 649 4.72      
24 A 532 514 0.00      
25 A 474 458 1.58      
26 A 341 329 16.47      
27 A 222 215 3.94      
28 A 203 196 4.33      
29 A 133 129 0.13      
30 A 101 97 3.40      

Unscaled Zero Point Vibrational Energy (zpe) 20917.1 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 20212.2 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 B3LYP/6-311G*
ABC
0.34362 0.07730 0.06386

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.026 -0.906 -0.001
H2 2.429 0.530 0.888
H3 2.428 0.531 -0.887
C4 2.305 -0.092 -0.000
O5 1.014 -0.720 0.000
O6 0.059 1.325 -0.000
C7 -0.044 0.122 -0.000
H8 -1.237 -1.725 -0.000
C9 -1.317 -0.643 -0.000
H10 -3.428 -0.561 -0.000
H11 -2.535 1.067 0.000
C12 -2.490 -0.017 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 O5 O6 C7 H8 C9 H10 H11 C12
H11.79111.79121.08752.02033.71203.23764.34084.35066.46315.90105.5875
H21.79111.77521.09082.08582.65222.65874.39424.02396.02305.07125.0281
H31.79121.77521.09082.08582.65112.65814.39394.02356.02255.07055.0275
C41.08751.09081.09081.43572.65552.35903.90053.66375.75234.97744.7960
O52.02032.08582.08581.43572.25711.35242.46532.33224.44503.97413.5744
O63.71202.65222.65112.65552.25711.20773.31432.40193.96472.60752.8812
C73.23762.65872.65812.35901.35241.20772.19871.48503.45202.66452.4501
H84.34084.39424.39393.90052.46533.31432.19871.08452.48103.07952.1189
C94.35064.02394.02353.66372.33222.40191.48501.08452.11282.10041.3305
H106.46316.02306.02255.75234.44503.96473.45202.48102.11281.85691.0842
H115.90105.07125.07054.97743.97412.60752.66453.07952.10041.85691.0848
C125.58755.02815.02754.79603.57442.88122.45012.11891.33051.08421.0848

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 110.624 H1 C4 H3 110.626
H1 C4 O5 105.562 H2 C4 H3 108.914
H2 C4 O5 110.548 H3 C4 O5 110.548
C4 O5 C7 115.544 O5 C7 O6 123.590
O5 C7 C9 110.468 O6 C7 C9 125.942
C7 C9 H8 116.807 C7 C9 C12 120.865
H8 C9 C12 122.328 C9 C12 H10 121.751
C9 C12 H11 120.490 H10 C12 H11 117.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.218     0.099
2 H 0.222     0.080
3 H 0.222     0.080
4 C -0.439     -0.045
5 O -0.318     -0.400
6 O -0.352     -0.537
7 C 0.425     0.851
8 H 0.213     0.181
9 C -0.281     -0.397
10 H 0.218     0.168
11 H 0.231     0.143
12 C -0.360     -0.224


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.134 -1.507 -0.000 1.513
CHELPG        
AIM        
ESP 0.127 -1.517 -0.000 1.522


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.166 0.718 -0.001
y 0.718 -38.754 0.001
z -0.001 0.001 -36.326
Traceless
 xyz
x 11.373 0.718 -0.001
y 0.718 -7.508 0.001
z -0.001 0.001 -3.865
Polar
3z2-r2-7.730
x2-y212.588
xy0.718
xz-0.001
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.934 -0.510 -0.001
y -0.510 6.985 0.001
z -0.001 0.001 4.330


<r2> (average value of r2) Å2
<r2> 177.710
(<r2>)1/2 13.331