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

using model chemistry: PBEPBE/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 PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-306.231098
Energy at 298.15K-306.237568
HF Energy-306.231098
Nuclear repulsion energy226.495129
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 PBEPBE/Def2TZVPP
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 3176 3138 1.96      
2 A 3116 3078 3.79      
3 A 3094 3057 13.22      
4 A 3080 3043 4.30      
5 A 3054 3017 16.61      
6 A 2982 2946 27.47      
7 A 1726 1705 166.60      
8 A 1644 1624 19.92      
9 A 1444 1427 7.01      
10 A 1428 1411 9.17      
11 A 1415 1397 25.25      
12 A 1386 1369 50.07      
13 A 1285 1270 39.99      
14 A 1171 1157 172.76      
15 A 1154 1140 185.27      
16 A 1129 1116 0.31      
17 A 1047 1034 1.48      
18 A 995 983 15.28      
19 A 995 983 25.25      
20 A 963 952 20.61      
21 A 838 828 10.42      
22 A 800 790 22.00      
23 A 644 636 4.34      
24 A 512 506 0.09      
25 A 462 456 1.44      
26 A 328 324 14.68      
27 A 214 212 3.90      
28 A 200 198 3.68      
29 A 130 128 0.23      
30 A 96 95 2.70      

Unscaled Zero Point Vibrational Energy (zpe) 20252.9 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 20007.8 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 PBEPBE/Def2TZVPP
ABC
0.33846 0.07705 0.06352

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -3.045 -0.901 -0.002
H2 -2.428 0.540 -0.891
H3 -2.430 0.538 0.892
C4 -2.311 -0.089 -0.000
O5 -1.018 -0.730 0.000
O6 -0.061 1.333 0.000
C7 0.046 0.119 0.000
H8 1.244 -1.734 -0.000
C9 1.320 -0.646 0.000
H10 3.441 -0.562 -0.000
H11 2.535 1.076 -0.000
C12 2.498 -0.014 -0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 O5 O6 C7 H8 C9 H10 H11 C12
H11.80261.80261.09442.03423.72753.25564.36994.37296.49505.92075.6144
H21.80261.78391.09732.09632.65052.66374.41044.03116.03755.07145.0372
H31.80261.78391.09732.09622.65272.66484.41074.03206.03875.07325.0386
C41.09441.09731.09731.44282.66182.36683.91763.67385.77154.98504.8105
O52.03422.09632.09621.44282.27361.36142.47552.34004.46233.98633.5890
O63.72752.65052.65272.66182.27361.21863.33272.41293.98152.60932.8924
C73.25562.66372.66482.36681.36141.21862.20611.48563.46202.66692.4558
H84.36994.41044.41073.91762.47553.33272.20611.09052.48953.09222.1283
C94.37294.03114.03203.67382.34002.41291.48561.09052.12242.10761.3371
H106.49506.03756.03875.77154.46233.98153.46202.48952.12241.87141.0898
H115.92075.07145.07324.98503.98632.60932.66693.09222.10761.87141.0909
C125.61445.03725.03864.81053.58902.89242.45582.12831.33711.08981.0909

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 110.668 H1 C4 H3 110.662
H1 C4 O5 105.777 H2 C4 H3 108.745
H2 C4 O5 110.491 H3 C4 O5 110.487
C4 O5 C7 115.102 O5 C7 O6 123.489
O5 C7 C9 110.474 O6 C7 C9 126.037
C7 C9 H8 116.996 C7 C9 C12 120.834
H8 C9 C12 122.170 C9 C12 H10 121.645
C9 C12 H11 120.130 H10 C12 H11 118.225
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.118      
2 H 0.117      
3 H 0.117      
4 C -0.164      
5 O -0.197      
6 O -0.302      
7 C 0.297      
8 H 0.106      
9 C -0.163      
10 H 0.109      
11 H 0.111      
12 C -0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.123 -1.546 0.000 1.551
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.829 -0.645 0.000
y -0.645 -38.854 -0.000
z 0.000 -0.000 -36.524
Traceless
 xyz
x 10.860 -0.645 0.000
y -0.645 -7.177 -0.000
z 0.000 -0.000 -3.683
Polar
3z2-r2-7.365
x2-y212.025
xy-0.645
xz0.000
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.541 0.431 0.000
y 0.431 7.970 0.000
z 0.000 0.000 5.653


<r2> (average value of r2) Å2
<r2> 178.710
(<r2>)1/2 13.368