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

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-306.367542
Energy at 298.15K-306.373959
HF Energy-306.367542
Nuclear repulsion energy224.833584
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 BLYP/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 3181 3155 6.23      
2 A 3121 3096 7.06      
3 A 3097 3072 21.33      
4 A 3094 3069 5.30      
5 A 3059 3035 24.88      
6 A 2992 2968 32.04      
7 A 1724 1710 135.53      
8 A 1648 1634 25.56      
9 A 1484 1472 7.05      
10 A 1470 1458 5.14      
11 A 1445 1433 8.30      
12 A 1415 1403 45.87      
13 A 1301 1290 26.86      
14 A 1179 1170 56.03      
15 A 1157 1148 338.33      
16 A 1143 1134 0.46      
17 A 1059 1050 1.84      
18 A 1000 992 20.56      
19 A 978 970 21.30      
20 A 947 939 16.75      
21 A 832 825 9.30      
22 A 782 776 20.41      
23 A 642 637 4.35      
24 A 514 510 0.38      
25 A 459 456 1.31      
26 A 329 326 15.12      
27 A 215 213 3.52      
28 A 199 197 3.65      
29 A 120 119 0.11      
30 A 99 99 2.99      

Unscaled Zero Point Vibrational Energy (zpe) 20341.1 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 20176.3 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 BLYP/6-31G*
ABC
0.33311 0.07591 0.06257

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -3.056 -0.929 -0.004
H2 -2.472 0.528 -0.892
H3 -2.475 0.523 0.895
C4 -2.333 -0.102 -0.000
O5 -1.026 -0.715 0.000
O6 -0.043 1.351 -0.000
C7 0.041 0.130 0.001
H8 1.235 -1.743 -0.001
C9 1.324 -0.653 -0.000
H10 3.457 -0.588 -0.001
H11 2.576 1.060 0.000
C12 2.517 -0.031 -0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 O5 O6 C7 H8 C9 H10 H11 C12
H11.80341.80331.09772.04043.77823.27294.36764.38826.52185.97245.6444
H21.80341.78711.10102.10532.71552.69664.43814.07426.09905.15365.0988
H31.80331.78711.10102.10522.72072.69914.43904.07636.10185.15765.1019
C41.09771.10101.10101.44342.71262.38583.92773.69835.81095.04484.8507
O52.04042.10532.10521.44342.28881.36192.48442.35124.48564.01613.6088
O63.77822.71552.72072.71262.28881.22413.34822.42624.00202.63502.9096
C73.27292.69662.69912.38581.36191.22412.22161.50303.49102.69992.4810
H84.36764.43814.43903.92772.48443.34822.22161.09352.50403.10732.1383
C94.38824.07424.07633.69832.35122.42621.50301.09352.13442.12211.3454
H106.52186.09906.10185.81094.48564.00203.49102.50402.13441.86971.0931
H115.97245.15365.15765.04484.01612.63502.69993.10732.12211.86971.0932
C125.64445.09885.10194.85073.60882.90962.48102.13831.34541.09311.0932

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 110.213 H1 C4 H3 110.204
H1 C4 O5 106.026 H2 C4 H3 108.496
H2 C4 O5 110.954 H3 C4 O5 110.945
C4 O5 C7 116.491 O5 C7 O6 124.434
O5 C7 C9 110.208 O6 C7 C9 125.357
C7 C9 H8 116.772 C7 C9 C12 121.061
H8 C9 C12 122.167 C9 C12 H10 121.830
C9 C12 H11 120.613 H10 C12 H11 117.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.149      
2 H 0.159      
3 H 0.159      
4 C -0.197      
5 O -0.420      
6 O -0.463      
7 C 0.554      
8 H 0.126      
9 C -0.090      
10 H 0.137      
11 H 0.159      
12 C -0.272      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.139 -1.449 -0.000 1.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.160 -0.720 0.001
y -0.720 -38.127 0.000
z 0.001 0.000 -35.608
Traceless
 xyz
x 10.708 -0.720 0.001
y -0.720 -7.243 0.000
z 0.001 0.000 -3.465
Polar
3z2-r2-6.930
x2-y211.967
xy-0.720
xz0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.320 0.451 0.000
y 0.451 6.928 0.000
z 0.000 0.000 3.832


<r2> (average value of r2) Å2
<r2> 180.586
(<r2>)1/2 13.438