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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-51.285500
Energy at 298.15K-51.293945
Nuclear repulsion energy123.511718
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 HF/CEP-121G
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 3981 3633 38.35      
2 A 3818 3484 45.34      
3 A 3386 3090 22.46      
4 A 3289 3001 6.82      
5 A 3271 2985 17.67      
6 A 3244 2960 34.62      
7 A 3161 2884 31.54      
8 A 1843 1682 139.75      
9 A 1807 1649 177.46      
10 A 1762 1608 272.07      
11 A 1633 1490 15.42      
12 A 1616 1475 10.39      
13 A 1579 1441 18.29      
14 A 1565 1428 4.48      
15 A 1510 1378 135.70      
16 A 1338 1221 81.40      
17 A 1204 1098 5.94      
18 A 1191 1087 1.36      
19 A 1126 1027 10.32      
20 A 1113 1016 58.28      
21 A 1028 938 1.64      
22 A 889 811 45.17      
23 A 793 724 3.90      
24 A 741 676 64.28      
25 A 636 580 107.94      
26 A 611 558 24.96      
27 A 544 496 18.97      
28 A 540 492 156.49      
29 A 400 365 2.33      
30 A 354 323 4.04      
31 A 282 258 12.54      
32 A 176 160 0.18      
33 A 75 69 9.46      

Unscaled Zero Point Vibrational Energy (zpe) 25251.7 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 23042.2 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 HF/CEP-121G
ABC
0.17290 0.10988 0.07194

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.724 0.640 0.303
H2 -2.668 0.334 0.252
H3 -1.524 1.532 0.685
C4 1.718 -0.840 0.275
H5 1.562 -1.268 1.261
H6 1.626 -1.649 -0.441
H7 2.723 -0.435 0.228
C8 1.005 1.511 -0.288
H9 0.266 2.250 -0.545
H10 2.029 1.840 -0.293
C11 -0.741 -0.245 -0.054
O12 -1.015 -1.409 -0.386
C13 0.692 0.237 -0.018

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N10.99400.99053.74723.91884.12484.57562.92502.69673.98521.37022.27522.4701
H20.99401.71244.54124.63484.78045.44583.89493.59414.96302.03572.48593.3723
H30.99051.71244.03784.20604.61534.70202.70962.28773.69802.07743.17072.6607
C43.74724.54124.03781.08671.08361.08422.52093.51162.75742.55152.86851.5164
H53.91884.63484.20601.08671.74571.76313.23044.16183.50662.84263.06142.1584
H64.12484.78044.61531.08361.74571.76743.22374.13033.51482.77882.65202.1460
H74.57565.44584.70201.08421.76311.76742.64693.72082.43523.48043.91082.1535
C82.92503.89492.70962.52093.23043.22372.64691.07611.07562.48733.55181.3399
H92.69673.59412.28773.51164.16184.13033.72081.07611.82742.73513.88012.1244
H103.98524.96303.69802.75743.50663.51482.43521.07561.82743.47524.45292.1060
C111.37022.03572.07742.55152.84262.77883.48042.48732.73513.47521.24091.5118
O122.27522.48593.17072.86853.06142.65203.91083.55183.88014.45291.24092.3988
C132.47013.37232.66071.51642.15842.14602.15351.33992.12442.10601.51182.3988

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 121.154 C1 H11 H13 117.903
C2 C1 C3 119.288 C2 C1 H11 117.996
C3 C1 H11 122.463 C4 H13 H8 123.788
C4 H13 H11 114.829 O5 C4 N6 107.092
O5 C4 H7 108.617 O5 C4 H13 110.952
N6 C4 H7 109.232 N6 C4 H13 110.144
H7 C4 H13 110.712 H8 H13 H11 121.317
H9 H8 H10 116.263 H9 H8 H13 122.739
H10 H8 H13 120.961 H12 H11 H13 120.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.658      
2 H 0.361      
3 H 0.352      
4 C -0.592      
5 H 0.163      
6 H 0.198      
7 H 0.157      
8 C -0.516      
9 H 0.166      
10 H 0.170      
11 C 0.281      
12 O -0.352      
13 C 0.268      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.596 4.052 1.450 4.345
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.235 -5.359 -2.096
y -5.359 -39.032 -1.199
z -2.096 -1.199 -38.790
Traceless
 xyz
x 7.676 -5.359 -2.096
y -5.359 -4.019 -1.199
z -2.096 -1.199 -3.657
Polar
3z2-r2-7.314
x2-y27.797
xy-5.359
xz-2.096
yz-1.199


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.563 0.640 -0.149
y 0.640 9.997 -0.235
z -0.149 -0.235 5.058


<r2> (average value of r2) Å2
<r2> 136.385
(<r2>)1/2 11.678