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

using model chemistry: HSEh1PBE/6-31G*

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/6-31G*
 hartrees
Energy at 0K-306.143324
Energy at 298.15K-306.149953
Nuclear repulsion energy228.188895
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/6-31G*
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 3295 3133 2.72      
2 A 3237 3078 3.72      
3 A 3210 3052 16.92      
4 A 3199 3042 4.10      
5 A 3174 3018 19.24      
6 A 3092 2941 28.40      
7 A 1847 1757 175.46      
8 A 1734 1649 30.85      
9 A 1524 1449 7.97      
10 A 1512 1438 7.43      
11 A 1496 1423 33.66      
12 A 1452 1381 80.37      
13 A 1352 1286 132.86      
14 A 1263 1201 304.92      
15 A 1221 1161 14.18      
16 A 1190 1132 0.58      
17 A 1090 1036 5.01      
18 A 1071 1019 12.54      
19 A 1036 985 30.26      
20 A 1004 954 18.53      
21 A 890 846 9.97      
22 A 830 789 30.29      
23 A 677 643 5.23      
24 A 536 509 0.15      
25 A 480 456 1.34      
26 A 344 327 17.56      
27 A 222 211 3.86      
28 A 205 195 4.14      
29 A 133 127 0.16      
30 A 101 96 3.25      

Unscaled Zero Point Vibrational Energy (zpe) 21205.8 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 20166.7 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/6-31G*
ABC
0.34472 0.07823 0.06453

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.048 -0.735 0.101
H2 1.904 -0.433 1.430
H3 2.374 0.897 0.334
C4 2.164 -0.170 0.400
O5 1.095 -0.530 -0.480
O6 -0.054 1.360 -0.116
C7 -0.045 0.138 -0.205
H8 -1.111 -1.699 -0.120
C9 -1.196 -0.657 -0.038
H10 -3.231 -0.734 0.369
H11 -2.492 0.921 0.312
C12 -2.393 -0.121 0.233

Atom - Atom Distances (Å)
  H1 H2 H3 C4 O5 O6 C7 H8 C9 H10 H11 C12
H11.77951.78101.09132.04783.74913.22824.27494.24726.28455.78605.4775
H21.77951.78521.09372.07623.07162.60653.61863.43715.25184.73314.4715
H31.78101.78521.08932.08152.51192.59134.36873.91095.83684.86564.8752
C41.09131.09371.08931.43032.74302.31043.65113.42295.42394.78244.5602
O52.04782.07622.08151.43032.24101.34952.52262.33704.41313.94953.5840
O63.74913.07162.51192.74302.24101.22493.23612.31903.83562.51432.7905
C73.22822.60652.59132.31041.34951.22492.12561.40903.35252.62082.4029
H84.27493.61864.36873.65112.52263.23612.12561.04872.37982.99262.0640
C94.24723.43713.91093.42292.33702.31901.40901.04872.07632.07121.3395
H106.28455.25185.83685.42394.41313.83563.35252.37982.07631.81281.0468
H115.78604.73314.86564.78243.94952.51432.62082.99262.07121.81281.0488
C125.47754.47154.87524.56023.58402.79052.40292.06401.33951.04681.0488

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 109.058 H1 C4 H3 109.521
H1 C4 O5 107.848 H2 C4 H3 109.727
H2 C4 O5 109.973 H3 C4 O5 110.675
C4 O5 C7 112.399 O5 C7 O6 120.956
O5 C7 C9 115.804 O6 C7 C9 123.239
C7 C9 H8 119.004 C7 C9 C12 121.900
H8 C9 C12 119.094 C9 C12 H10 120.442
C9 C12 H11 119.786 H10 C12 H11 119.771
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.188      
2 H 0.194      
3 H 0.194      
4 C -0.288      
5 O -0.464      
6 O -0.491      
7 C 0.614      
8 H 0.189      
9 C -0.178      
10 H 0.185      
11 H 0.208      
12 C -0.351      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.070 -1.488 0.000 1.490
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.585 0.700 -0.000
y 0.700 -37.891 0.001
z -0.000 0.001 -35.616
Traceless
 xyz
x 11.168 0.700 -0.000
y 0.700 -7.291 0.001
z -0.000 0.001 -3.878
Polar
3z2-r2-7.755
x2-y212.306
xy0.700
xz-0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.401 -0.514 -0.000
y -0.514 6.671 0.000
z -0.000 0.000 3.784


<r2> (average value of r2) Å2
<r2> 175.653
(<r2>)1/2 13.253