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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-284.922961
Energy at 298.15K-284.930829
Nuclear repulsion energy225.799045
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 BLYP/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 3545 3526 15.84      
2 A 3414 3395 12.67      
3 A 3149 3131 16.68      
4 A 3075 3058 8.81      
5 A 3069 3052 8.51      
6 A 3028 3012 13.80      
7 A 2973 2956 16.39      
8 A 1656 1647 69.68      
9 A 1639 1630 122.49      
10 A 1603 1594 40.48      
11 A 1525 1516 15.12      
12 A 1502 1493 12.76      
13 A 1454 1446 5.12      
14 A 1412 1404 21.82      
15 A 1305 1298 85.26      
16 A 1215 1208 54.64      
17 A 1077 1072 4.16      
18 A 1060 1054 5.36      
19 A 1026 1021 2.40      
20 A 920 915 18.11      
21 A 908 903 29.99      
22 A 805 801 23.18      
23 A 697 694 6.03      
24 A 664 660 29.24      
25 A 582 579 23.54      
26 A 551 548 2.35      
27 A 497 494 10.92      
28 A 454 451 199.40      
29 A 368 366 9.41      
30 A 315 313 6.98      
31 A 270 269 12.85      
32 A 145 144 0.46      
33 A 80 80 5.75      

Unscaled Zero Point Vibrational Energy (zpe) 22990.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 22863.6 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 BLYP/3-21G
ABC
0.16815 0.11144 0.07065

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.677 0.773 0.251
H2 -2.670 0.529 0.214
H3 -1.402 1.674 0.643
C4 1.664 -0.940 0.238
H5 1.621 -1.270 1.292
H6 1.337 -1.790 -0.381
H7 2.700 -0.663 -0.007
C8 1.099 1.481 -0.249
H9 0.388 2.275 -0.493
H10 2.156 1.758 -0.259
C11 -0.754 -0.217 -0.036
O12 -1.084 -1.397 -0.312
C13 0.705 0.218 0.002

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.02261.02033.75454.01674.00664.61382.90832.66033.99031.38342.31922.4587
H21.02261.76074.57624.77614.66785.50493.91443.59155.00192.07122.55043.3957
H31.02031.76074.04934.26924.53324.76552.66252.20443.67152.11073.23202.6405
C43.75454.57624.04931.10521.10141.09982.53333.53472.78712.53852.83961.5215
H54.01674.77614.26921.10521.77451.79393.19624.15573.44392.91753.14732.1715
H64.00664.66784.53321.10141.77451.80793.28264.17553.64372.63932.45342.1393
H74.61385.50494.76551.09981.79391.80792.68703.76952.49443.48273.86652.1807
C82.90833.91442.66252.53333.19623.28262.68701.09261.09272.52213.61301.3472
H92.66033.59152.20443.53474.15574.17553.76951.09261.85602.77883.96032.1394
H103.99035.00193.67152.78713.44393.64372.49441.09271.85603.52374.52282.1323
C111.38342.07122.11072.53852.91752.63933.48272.52212.77883.52371.25661.5226
O122.31922.55043.23202.83963.14732.45343.86653.61303.96034.52281.25662.4303
C132.45873.39572.64051.52152.17152.13932.18071.34722.13942.13231.52262.4303

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.844 C1 H11 H13 115.489
C2 C1 C3 119.050 C2 C1 H11 118.042
C3 C1 H11 122.103 C4 H13 H8 123.923
C4 H13 H11 113.008 O5 C4 N6 107.063
O5 C4 H7 108.891 O5 C4 H13 110.527
N6 C4 H7 110.444 N6 C4 H13 108.234
H7 C4 H13 111.583 H8 H13 H11 122.892
H9 H8 H10 116.276 H9 H8 H13 122.193
H10 H8 H13 121.486 H12 H11 H13 121.667
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.696      
2 H 0.299      
3 H 0.297      
4 C -0.556      
5 H 0.195      
6 H 0.218      
7 H 0.177      
8 C -0.360      
9 H 0.160      
10 H 0.176      
11 C 0.574      
12 O -0.467      
13 C -0.018      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.111 3.008 1.115 3.210
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.632 -4.677 -1.589
y -4.677 -36.272 -0.203
z -1.589 -0.203 -37.394
Traceless
 xyz
x 6.201 -4.677 -1.589
y -4.677 -2.259 -0.203
z -1.589 -0.203 -3.942
Polar
3z2-r2-7.885
x2-y25.640
xy-4.677
xz-1.589
yz-0.203


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


<r2> (average value of r2) Å2
<r2> 166.607
(<r2>)1/2 12.908