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

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-306.256470
Energy at 298.15K-306.263137
HF Energy-306.256470
Nuclear repulsion energy228.717558
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 HSEh1PBE/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 3260 3133 1.46      
2 A 3207 3082 2.79      
3 A 3175 3052 14.24      
4 A 3163 3040 3.95      
5 A 3139 3017 17.34      
6 A 3064 2945 27.89      
7 A 1818 1747 192.01      
8 A 1714 1647 26.66      
9 A 1495 1437 7.31      
10 A 1479 1421 9.62      
11 A 1472 1415 44.50      
12 A 1433 1377 75.24      
13 A 1337 1285 98.14      
14 A 1245 1197 330.70      
15 A 1209 1162 25.35      
16 A 1179 1133 0.65      
17 A 1082 1040 2.04      
18 A 1055 1014 13.87      
19 A 1034 993 27.31      
20 A 1017 978 21.00      
21 A 882 847 9.85      
22 A 842 810 27.52      
23 A 673 647 5.50      
24 A 535 514 0.03      
25 A 478 460 1.58      
26 A 342 329 16.28      
27 A 222 214 4.03      
28 A 203 195 3.85      
29 A 136 131 0.28      
30 A 97 94 2.86      

Unscaled Zero Point Vibrational Energy (zpe) 20993.2 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 20176.5 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 HSEh1PBE/cc-pVTZ
ABC
0.34722 0.07839 0.06473

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.046 -0.749 0.087
H2 1.919 -0.437 1.424
H3 2.392 0.886 0.327
C4 2.172 -0.177 0.394
O5 1.090 -0.526 -0.476
O6 -0.053 1.362 -0.112
C7 -0.047 0.144 -0.201
H8 -1.111 -1.695 -0.124
C9 -1.199 -0.653 -0.038
H10 -3.230 -0.745 0.363
H11 -2.500 0.915 0.314
C12 -2.396 -0.125 0.231

Atom - Atom Distances (Å)
  H1 H2 H3 C4 O5 O6 C7 H8 C9 H10 H11 C12
H11.77591.77721.08912.04733.75483.23234.26854.24786.28185.79435.4791
H21.77591.78241.09182.07493.07962.61613.62773.45065.26624.75244.4873
H31.77721.78241.08732.08192.52942.60384.37503.92435.85414.89204.8946
C41.08911.09181.08731.43142.75182.31963.65403.43165.43164.79794.5706
O52.04732.07492.08191.43142.23711.34862.51762.33434.40643.94833.5796
O63.75483.07962.52942.75182.23711.22113.23552.31973.84182.52352.7965
C73.23232.61612.60382.31961.34861.22112.12671.41053.35252.62192.4033
H84.26853.62774.37503.65402.51763.23552.12671.04932.37262.98912.0593
C94.24783.45063.92433.43162.33432.31971.41051.04932.07222.06781.3354
H106.28185.26625.85415.43164.40643.84183.35252.37262.07221.81441.0473
H115.79434.75244.89204.79793.94832.52352.62192.98912.06781.81441.0492
C125.47914.48734.89464.57063.57962.79652.40332.05931.33541.04731.0492

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 109.041 H1 C4 H3 109.488
H1 C4 O5 107.858 H2 C4 H3 109.757
H2 C4 O5 109.904 H3 C4 O5 110.752
C4 O5 C7 113.066 O5 C7 O6 120.965
O5 C7 C9 115.553 O6 C7 C9 123.481
C7 C9 H8 118.933 C7 C9 C12 122.122
H8 C9 C12 118.943 C9 C12 H10 120.357
C9 C12 H11 119.777 H10 C12 H11 119.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.107      
2 H 0.094      
3 H 0.094      
4 C -0.110      
5 O -0.213      
6 O -0.322      
7 C 0.315      
8 H 0.138      
9 C -0.153      
10 H 0.131      
11 H 0.140      
12 C -0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.088 -1.569 0.000 1.571
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.284 0.631 -0.000
y 0.631 -38.421 0.001
z -0.000 0.001 -36.141
Traceless
 xyz
x 10.997 0.631 -0.000
y 0.631 -7.208 0.001
z -0.000 0.001 -3.789
Polar
3z2-r2-7.578
x2-y212.137
xy0.631
xz-0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.465 -0.455 -0.000
y -0.455 7.424 0.000
z -0.000 0.000 5.101


<r2> (average value of r2) Å2
<r2> 175.554
(<r2>)1/2 13.250