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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: B3LYP/3-21G

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/3-21G
 hartrees
Energy at 0K-285.035200
Energy at 298.15K-285.043268
Nuclear repulsion energy227.794801
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3666 3537 26.89      
2 A 3536 3412 26.15      
3 A 3235 3121 13.24      
4 A 3159 3048 5.42      
5 A 3149 3038 8.57      
6 A 3112 3002 11.54      
7 A 3054 2947 13.03      
8 A 1732 1671 115.27      
9 A 1705 1645 110.28      
10 A 1662 1604 61.79      
11 A 1558 1504 18.39      
12 A 1538 1484 12.43      
13 A 1495 1443 7.01      
14 A 1456 1404 20.51      
15 A 1366 1318 102.27      
16 A 1258 1214 55.90      
17 A 1111 1072 3.89      
18 A 1103 1064 3.23      
19 A 1058 1021 3.92      
20 A 967 933 42.18      
21 A 948 914 8.56      
22 A 842 813 37.14      
23 A 729 703 5.92      
24 A 689 665 44.01      
25 A 601 579 46.33      
26 A 574 554 3.87      
27 A 517 499 36.86      
28 A 495 478 164.98      
29 A 382 369 5.90      
30 A 329 318 6.83      
31 A 279 269 12.14      
32 A 143 138 0.34      
33 A 78 75 6.62      

Unscaled Zero Point Vibrational Energy (zpe) 23762.3 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 22928.3 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 B3LYP/3-21G
ABC
0.17125 0.11354 0.07182

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.669 0.756 0.244
H2 -2.652 0.510 0.200
H3 -1.405 1.657 0.619
C4 1.655 -0.926 0.230
H5 1.579 -1.291 1.262
H6 1.370 -1.755 -0.425
H7 2.689 -0.629 0.034
C8 1.080 1.476 -0.240
H9 0.371 2.262 -0.476
H10 2.129 1.756 -0.246
C11 -0.747 -0.217 -0.035
O12 -1.064 -1.389 -0.301
C13 0.698 0.219 0.000

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.01391.01113.72643.97223.99954.57792.88322.63643.95791.36952.29502.4398
H21.01391.74534.54064.71904.65845.46323.88023.55924.96052.05212.52583.3683
H31.01111.74534.02424.24384.52104.72552.63602.17293.63952.09143.20072.6222
C43.72644.54064.02421.09741.09411.09262.51383.50902.76512.51932.80921.5100
H53.97224.71904.24381.09741.76231.78223.18674.13553.44392.87193.07212.1555
H63.99954.65844.52101.09411.76231.79333.24894.13993.59672.64632.46502.1280
H74.57795.46324.72551.09261.78221.79332.66303.74062.46643.46143.84352.1641
C82.88323.88022.63602.51383.18673.24892.66301.08521.08522.49933.57901.3357
H92.63643.55922.17293.50904.13554.13993.74061.08521.84322.75523.92732.1238
H103.95794.96053.63952.76513.44393.59672.46641.08521.84323.49414.48222.1149
C111.36952.05212.09142.51932.87192.64633.46142.49932.75523.49411.24311.5097
O122.29502.52583.20072.80923.07212.46503.84353.57903.92734.48221.24312.4041
C132.43983.36832.62221.51002.15552.12802.16411.33572.12382.11491.50972.4041

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.839 C1 H11 H13 115.771
C2 C1 C3 119.069 C2 C1 H11 118.093
C3 C1 H11 122.209 C4 H13 H8 123.992
C4 H13 H11 113.083 O5 C4 N6 107.055
O5 C4 H7 108.932 O5 C4 H13 110.519
N6 C4 H7 110.185 N6 C4 H13 108.549
H7 C4 H13 111.502 H8 H13 H11 122.775
H9 H8 H10 116.255 H9 H8 H13 122.288
H10 H8 H13 121.415 H12 H11 H13 121.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.762     -0.940
2 H 0.318     0.415
3 H 0.316     0.401
4 C -0.582     -0.298
5 H 0.209     0.098
6 H 0.234     0.106
7 H 0.189     0.107
8 C -0.380     -0.501
9 H 0.177     0.180
10 H 0.194     0.212
11 C 0.643     0.703
12 O -0.505     -0.506
13 C -0.052     0.021


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.003 3.174 1.084 3.354
CHELPG        
AIM        
ESP 0.024 3.163 1.080 3.343


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.551 -4.727 -1.543
y -4.727 -36.313 -0.283
z -1.543 -0.283 -37.419
Traceless
 xyz
x 6.315 -4.727 -1.543
y -4.727 -2.328 -0.283
z -1.543 -0.283 -3.987
Polar
3z2-r2-7.973
x2-y25.762
xy-4.727
xz-1.543
yz-0.283


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.688 0.383 -0.130
y 0.383 8.864 -0.185
z -0.130 -0.185 3.491


<r2> (average value of r2) Å2
<r2> 164.143
(<r2>)1/2 12.812