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

using model chemistry: B97D3/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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-306.399281
Energy at 298.15K-306.405793
HF Energy-306.399281
Nuclear repulsion energy226.598687
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 B97D3/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 3189 3145 4.82      
2 A 3133 3089 5.92      
3 A 3105 3062 19.49      
4 A 3096 3053 6.84      
5 A 3068 3025 23.69      
6 A 2996 2954 34.23      
7 A 1734 1709 167.17      
8 A 1649 1626 22.64      
9 A 1468 1447 6.66      
10 A 1453 1433 7.35      
11 A 1438 1418 17.07      
12 A 1409 1389 48.92      
13 A 1303 1285 28.29      
14 A 1184 1167 64.31      
15 A 1158 1142 346.04      
16 A 1146 1130 0.62      
17 A 1062 1047 1.21      
18 A 1004 990 24.32      
19 A 984 970 22.74      
20 A 971 957 18.87      
21 A 839 827 10.45      
22 A 806 794 22.30      
23 A 649 640 4.45      
24 A 513 506 0.02      
25 A 466 459 1.57      
26 A 336 331 14.47      
27 A 218 215 3.92      
28 A 195 192 3.64      
29 A 134 132 0.33      
30 A 89 88 2.69      

Unscaled Zero Point Vibrational Energy (zpe) 20396.8 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 20111.3 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 B97D3/cc-pVTZ
ABC
0.33921 0.07695 0.06347

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -3.035 -0.908 -0.000
H2 -2.429 0.532 -0.889
H3 -2.429 0.531 0.890
C4 -2.311 -0.093 0.000
O5 -1.015 -0.730 -0.000
O6 -0.063 1.335 -0.000
C7 0.045 0.126 -0.001
H8 1.235 -1.723 -0.000
C9 1.317 -0.640 -0.000
H10 3.431 -0.577 0.001
H11 2.549 1.065 0.000
C12 2.499 -0.020 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 O5 O6 C7 H8 C9 H10 H11 C12
H11.79701.79701.09002.02743.72363.24944.34774.36006.47415.92255.6042
H21.79701.77941.09342.09262.65242.66014.39364.02426.02945.08515.0374
H31.79701.77941.09342.09262.65302.66074.39344.02426.02925.08525.0373
C41.09001.09341.09341.44302.66342.36623.90283.66845.76154.99604.8097
O52.02742.09262.09261.44302.27401.36322.46052.33394.44863.99093.5848
O63.72362.65242.65302.66342.27401.21363.32282.40963.98222.62592.8978
C73.24942.66012.66072.36621.36321.21362.19971.48473.45742.67402.4575
H84.34774.39364.39343.90282.46053.32282.19971.08612.47663.08252.1204
C94.36004.02424.02423.66842.33392.40961.48471.08612.11482.10411.3346
H106.47416.02946.02925.76154.44863.98223.45742.47662.11481.86321.0855
H115.92255.08515.08524.99603.99092.62592.67403.08252.10411.86321.0865
C125.60425.03745.03734.80973.58482.89782.45752.12041.33461.08551.0865

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 110.671 H1 C4 H3 110.666
H1 C4 O5 105.736 H2 C4 H3 108.827
H2 C4 O5 110.465 H3 C4 O5 110.461
C4 O5 C7 115.622 O5 C7 O6 123.635
O5 C7 C9 110.403 O6 C7 C9 125.963
C7 C9 H8 116.925 C7 C9 C12 121.027
H8 C9 C12 122.047 C9 C12 H10 121.619
C9 C12 H11 120.219 H10 C12 H11 118.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.096      
2 H 0.087      
3 H 0.087      
4 C -0.083      
5 O -0.208      
6 O -0.308      
7 C 0.292      
8 H 0.121      
9 C -0.123      
10 H 0.114      
11 H 0.123      
12 C -0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.138 -1.533 0.000 1.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.540 -0.645 0.000
y -0.645 -38.505 -0.000
z 0.000 -0.000 -36.083
Traceless
 xyz
x 10.754 -0.645 0.000
y -0.645 -7.193 -0.000
z 0.000 -0.000 -3.561
Polar
3z2-r2-7.121
x2-y211.964
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 12.257 0.410 0.000
y 0.410 7.693 0.000
z 0.000 0.000 5.202


<r2> (average value of r2) Å2
<r2> 178.583
(<r2>)1/2 13.364