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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-306.474968
Energy at 298.15K-306.481459
HF Energy-306.474968
Nuclear repulsion energy228.303156
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 wB97X-D/TZVP
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 3272 3125 1.59      
2 A 3224 3079 2.31      
3 A 3193 3050 14.62      
4 A 3175 3032 3.56      
5 A 3154 3012 18.61      
6 A 3076 2937 28.13      
7 A 1827 1745 223.87      
8 A 1730 1652 27.83      
9 A 1497 1430 6.60      
10 A 1492 1424 9.64      
11 A 1488 1421 36.58      
12 A 1446 1381 79.58      
13 A 1347 1286 116.90      
14 A 1256 1200 363.92      
15 A 1219 1164 20.49      
16 A 1183 1130 0.68      
17 A 1093 1044 1.89      
18 A 1054 1007 14.48      
19 A 1023 977 0.01      
20 A 1019 973 58.26      
21 A 886 846 12.14      
22 A 838 800 32.33      
23 A 679 648 4.49      
24 A 524 500 0.01      
25 A 481 460 1.65      
26 A 349 333 15.95      
27 A 226 216 4.61      
28 A 189 180 5.25      
29 A 78 75 2.86      
30 A 64 61 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 21040.0 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 20093.2 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 wB97X-D/TZVP
ABC
0.34673 0.07787 0.06436

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -3.022 -0.899 -0.002
H2 -2.417 0.534 -0.887
H3 -2.418 0.531 0.888
C4 -2.298 -0.089 -0.000
O5 -1.011 -0.717 -0.000
O6 -0.062 1.315 0.000
C7 0.045 0.115 0.000
H8 1.245 -1.722 -0.000
C9 1.317 -0.642 -0.000
H10 3.417 -0.551 -0.000
H11 2.514 1.074 0.000
C12 2.480 -0.009 -0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 O5 O6 C7 H8 C9 H10 H11 C12
H11.78911.78911.08662.01903.69613.23054.34564.34706.44875.87705.5736
H21.78911.77481.08962.07982.63452.65014.39114.01415.99995.03905.0061
H31.78911.77481.08962.07982.63702.65134.39124.01506.00125.04105.0076
C41.08661.08961.08961.43202.63982.35203.90133.65755.73404.95054.7789
O52.01902.07982.07981.43202.24271.34482.46992.32984.43173.95413.5624
O63.69612.63452.63702.63982.24271.20463.30642.39483.94852.58772.8669
C73.23052.65012.65132.35201.34481.20462.19431.48073.43742.64852.4383
H84.34564.39114.39123.90132.46993.30642.19431.08212.46783.07032.1115
C94.34704.01414.01503.65752.32982.39481.48071.08212.10202.09211.3239
H106.44875.99996.00125.73404.43173.94853.43742.46782.10201.85911.0824
H115.87705.03905.04104.95053.95412.58772.64853.07032.09211.85911.0837
C125.57365.00615.00764.77893.56242.86692.43832.11151.32391.08241.0837

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 110.601 H1 C4 H3 110.594
H1 C4 O5 105.757 H2 C4 H3 109.064
H2 C4 O5 110.402 H3 C4 O5 110.397
C4 O5 C7 115.743 O5 C7 O6 123.111
O5 C7 C9 110.998 O6 C7 C9 125.891
C7 C9 H8 116.933 C7 C9 C12 120.672
H8 C9 C12 122.395 C9 C12 H10 121.416
C9 C12 H11 120.347 H10 C12 H11 118.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.134      
2 H 0.135      
3 H 0.135      
4 C -0.189      
5 O -0.203      
6 O -0.343      
7 C 0.275      
8 H 0.166      
9 C -0.185      
10 H 0.138      
11 H 0.163      
12 C -0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.132 -1.569 -0.000 1.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.803 -0.701 -0.000
y -0.701 -38.998 -0.001
z -0.000 -0.001 -36.282
Traceless
 xyz
x 11.837 -0.701 -0.000
y -0.701 -7.955 -0.001
z -0.000 -0.001 -3.882
Polar
3z2-r2-7.763
x2-y213.195
xy-0.701
xz-0.000
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.911 0.605 -0.001
y 0.605 7.433 -0.000
z -0.001 -0.000 5.185


<r2> (average value of r2) Å2
<r2> 176.516
(<r2>)1/2 13.286