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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-285.043251
Nuclear repulsion energy227.794648
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
4/u)
Dep P Dep U
1 A 3666 3526 26.74      
2 A 3536 3402 26.31      
3 A 3235 3112 13.23      
4 A 3159 3039 5.26      
5 A 3149 3029 8.54      
6 A 3111 2993 11.49      
7 A 3054 2938 13.16      
8 A 1732 1666 113.97      
9 A 1705 1640 110.92      
10 A 1662 1599 61.67      
11 A 1558 1499 18.36      
12 A 1538 1480 12.42      
13 A 1495 1439 7.03      
14 A 1456 1400 20.51      
15 A 1366 1315 102.35      
16 A 1258 1210 55.82      
17 A 1111 1069 3.89      
18 A 1103 1061 3.23      
19 A 1058 1018 3.87      
20 A 967 931 42.19      
21 A 948 912 8.59      
22 A 842 810 37.14      
23 A 729 701 5.93      
24 A 689 663 44.04      
25 A 601 578 46.29      
26 A 574 552 3.88      
27 A 517 498 36.83      
28 A 495 476 164.97      
29 A 382 368 5.91      
30 A 329 317 6.82      
31 A 279 268 12.15      
32 A 143 138 0.33      
33 A 78 75 6.61      

Unscaled Zero Point Vibrational Energy (zpe) 23762.2 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 22859.3 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 -1.290 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
N11.01391.01113.72643.97243.99934.57792.88322.63643.95791.36952.29512.4398
H21.01391.74544.54064.71934.65825.46323.88023.55914.96042.05212.52583.3683
H31.01111.74544.02424.24374.52094.72562.63602.17293.63952.09143.20072.6222
C43.72644.54064.02421.09741.09411.09262.51383.50902.76512.51932.80931.5100
H53.97244.71934.24371.09741.76231.78223.18664.13543.44362.87213.07262.1555
H63.99934.65824.52091.09411.76231.79333.24904.14003.59692.64622.46472.1279
H74.57795.46324.72561.09261.78221.79332.66313.74062.46653.46133.84342.1641
C82.88323.88022.63602.51383.18663.24902.66311.08521.08522.49933.57901.3357
H92.63643.55912.17293.50904.13544.14003.74061.08521.84322.75523.92722.1238
H103.95794.96043.63952.76513.44363.59692.46651.08521.84323.49414.48222.1149
C111.36952.05212.09142.51932.87212.64623.46132.49932.75523.49411.24311.5097
O122.29512.52583.20072.80933.07262.46473.84343.57903.92724.48221.24312.4041
C132.43983.36832.62221.51002.15552.12792.16411.33572.12382.11491.50972.4041

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.840 C1 H11 H13 115.771
C2 C1 C3 119.069 C2 C1 H11 118.093
C3 C1 H11 122.208 C4 H13 H8 123.992
C4 H13 H11 113.084 O5 C4 N6 107.057
O5 C4 H7 108.932 O5 C4 H13 110.519
N6 C4 H7 110.185 N6 C4 H13 108.548
H7 C4 H13 111.503 H8 H13 H11 122.774
H9 H8 H10 116.255 H9 H8 H13 122.288
H10 H8 H13 121.415 H12 H11 H13 121.390
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      
2 H 0.318      
3 H 0.316      
4 C -0.582      
5 H 0.209      
6 H 0.234      
7 H 0.189      
8 C -0.380      
9 H 0.177      
10 H 0.194      
11 C 0.643      
12 O -0.505      
13 C -0.052      


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 1.085 3.354
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.551 -4.727 -1.543
y -4.727 -36.313 -0.284
z -1.543 -0.284 -37.418
Traceless
 xyz
x 6.315 -4.727 -1.543
y -4.727 -2.328 -0.284
z -1.543 -0.284 -3.986
Polar
3z2-r2-7.973
x2-y25.762
xy-4.727
xz-1.543
yz-0.284


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.688 0.383 -0.129
y 0.383 8.874 -0.187
z -0.129 -0.187 3.490


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