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

using model chemistry: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-306.600666
Energy at 298.15K-306.607283
HF Energy-306.600666
Nuclear repulsion energy227.630714
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 B3LYP/Def2TZVPP
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 3242 3121 1.98      
2 A 3190 3071 3.19      
3 A 3156 3038 15.22      
4 A 3150 3032 4.39      
5 A 3123 3006 18.25      
6 A 3053 2939 28.87      
7 A 1778 1712 195.92      
8 A 1694 1631 27.08      
9 A 1499 1443 7.49      
10 A 1486 1430 8.56      
11 A 1475 1420 23.75      
12 A 1442 1388 60.49      
13 A 1332 1282 50.07      
14 A 1224 1178 281.76      
15 A 1203 1158 156.16      
16 A 1176 1132 0.84      
17 A 1087 1046 1.36      
18 A 1031 992 26.87      
19 A 1021 983 16.66      
20 A 1016 978 22.13      
21 A 867 834 10.69      
22 A 834 803 26.82      
23 A 668 643 5.33      
24 A 531 511 0.02      
25 A 474 456 1.71      
26 A 340 327 15.36      
27 A 222 214 4.47      
28 A 199 192 4.05      
29 A 137 132 0.27      
30 A 96 93 2.88      

Unscaled Zero Point Vibrational Energy (zpe) 20872.0 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 20091.4 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 B3LYP/Def2TZVPP
ABC
0.34468 0.07734 0.06392

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -3.032 -0.905 -0.002
H2 -2.434 0.530 -0.885
H3 -2.435 0.528 0.886
C4 -2.311 -0.092 -0.000
O5 -1.015 -0.716 0.000
O6 -0.057 1.323 0.000
C7 0.048 0.119 0.000
H8 1.243 -1.720 -0.000
C9 1.319 -0.642 0.000
H10 3.424 -0.562 -0.000
H11 2.532 1.065 -0.000
C12 2.490 -0.016 -0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 O5 O6 C7 H8 C9 H10 H11 C12
H11.78751.78751.08602.02553.71593.24544.35174.35896.46435.90165.5932
H21.78751.77121.08832.08532.65692.66674.40014.02996.02335.07185.0326
H31.78751.77121.08832.08532.65902.66774.40044.03076.02455.07355.0339
C41.08601.08831.08831.43892.66122.36883.90943.67205.75414.97924.8023
O52.02552.08532.08531.43892.25291.35212.47102.33554.44123.96883.5747
O63.71592.65692.65902.66122.25291.20843.30912.39903.95852.60182.8782
C73.24542.66672.66772.36881.35211.20842.19321.48163.44352.65762.4461
H84.35174.40014.40043.90942.47103.30912.19321.08102.46903.06872.1119
C94.35894.02994.03073.67202.33552.39901.48161.08102.10572.09341.3278
H106.46436.02336.02455.75414.44123.95853.44352.46902.10571.85541.0811
H115.90165.07185.07354.97923.96882.60182.65763.06872.09341.85541.0817
C125.59325.03265.03394.80233.57472.87822.44612.11191.32781.08111.0817

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 110.595 H1 C4 H3 110.590
H1 C4 O5 105.838 H2 C4 H3 108.922
H2 C4 O5 110.441 H3 C4 O5 110.437
C4 O5 C7 116.117 O5 C7 O6 123.159
O5 C7 C9 110.933 O6 C7 C9 125.909
C7 C9 H8 116.850 C7 C9 C12 120.981
H8 C9 C12 122.169 C9 C12 H10 121.550
C9 C12 H11 120.299 H10 C12 H11 118.151
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.127      
2 H 0.122      
3 H 0.122      
4 C -0.148      
5 O -0.271      
6 O -0.335      
7 C 0.366      
8 H 0.124      
9 C -0.186      
10 H 0.120      
11 H 0.129      
12 C -0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.097 -1.603 -0.000 1.606
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.533 -0.639 0.000
y -0.639 -39.122 0.000
z 0.000 0.000 -36.455
Traceless
 xyz
x 11.256 -0.639 0.000
y -0.639 -7.628 0.000
z 0.000 0.000 -3.628
Polar
3z2-r2-7.255
x2-y212.589
xy-0.639
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.794 0.464 -0.000
y 0.464 7.685 0.000
z -0.000 0.000 5.529


<r2> (average value of r2) Å2
<r2> 177.724
(<r2>)1/2 13.331