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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: B3LYP/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-52.680943
Energy at 298.15K-52.688679
Nuclear repulsion energy122.341977
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/CEP-31G*
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 3699 3572 24.15      
2 A 3572 3449 28.63      
3 A 3221 3111 16.28      
4 A 3149 3041 10.54      
5 A 3137 3030 19.97      
6 A 3113 3006 24.04      
7 A 3050 2946 22.06      
8 A 1756 1696 270.10      
9 A 1697 1639 65.93      
10 A 1619 1563 90.47      
11 A 1490 1439 17.64      
12 A 1471 1421 10.50      
13 A 1441 1391 11.53      
14 A 1415 1366 9.90      
15 A 1370 1323 83.72      
16 A 1211 1170 62.59      
17 A 1082 1045 7.27      
18 A 1055 1019 0.87      
19 A 1006 971 7.33      
20 A 949 917 61.17      
21 A 940 907 13.06      
22 A 800 773 11.61      
23 A 739 714 5.00      
24 A 657 634 12.88      
25 A 559 540 31.34      
26 A 540 522 32.00      
27 A 488 471 8.93      
28 A 403 390 174.62      
29 A 357 345 13.48      
30 A 307 296 4.49      
31 A 254 246 9.69      
32 A 164 158 0.20      
33 A 65 63 4.58      

Unscaled Zero Point Vibrational Energy (zpe) 23387.0 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 22584.8 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/CEP-31G*
ABC
0.16952 0.10945 0.07013

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.741 0.677 0.205
H2 -2.676 0.286 0.305
H3 -1.524 1.486 0.781
C4 1.744 -0.841 0.238
H5 1.594 -1.322 1.221
H6 1.648 -1.637 -0.520
H7 2.761 -0.419 0.198
C8 0.996 1.544 -0.253
H9 0.227 2.283 -0.496
H10 2.035 1.892 -0.259
C11 -0.746 -0.265 -0.049
O12 -1.019 -1.440 -0.329
C13 0.694 0.234 -0.007

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.01861.01693.80204.01904.16764.63342.90732.63523.99361.39442.29962.4844
H21.01861.73094.56244.65404.80415.48353.92163.61385.00922.03872.47533.3852
H31.01691.73094.04884.21884.63774.72512.72442.30913.72972.08883.16992.6663
C43.80204.56244.04881.10481.10261.10172.54743.55052.79332.57152.88291.5227
H54.01904.65404.21881.10481.77021.79553.27734.22083.56542.86403.04012.1768
H64.16764.80414.63771.10261.77021.79903.25764.17013.55932.79882.68102.1616
H74.63345.48354.72511.10171.79551.79902.67733.76892.46463.51833.95002.1769
C82.90733.92162.72442.54743.27733.25762.67731.09471.09562.51953.60061.3665
H92.63523.61382.30913.55054.22084.17013.76891.09471.86512.76453.92942.1584
H103.99365.00923.72972.79333.56543.55932.46461.09561.86513.52554.51962.1471
C111.39442.03872.08882.57152.86402.79883.51832.51952.76453.52551.23761.5244
O122.29962.47533.16992.88293.04012.68103.95003.60063.92944.51961.23762.4160
C132.48443.38522.66631.52272.17682.16162.17691.36652.15842.14711.52442.4160

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 121.678 C1 H11 H13 116.613
C2 C1 C3 116.507 C2 C1 H11 114.427
C3 C1 H11 119.229 C4 H13 H8 123.601
C4 H13 H11 115.112 O5 C4 N6 106.641
O5 C4 H7 108.927 O5 C4 H13 110.878
N6 C4 H7 109.396 N6 C4 H13 109.815
H7 C4 H13 111.072 H8 H13 H11 121.181
H9 H8 H10 116.760 H9 H8 H13 122.173
H10 H8 H13 121.010 H12 H11 H13 121.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.367      
2 H 0.326      
3 H 0.317      
4 C -0.454      
5 H 0.146      
6 H 0.181      
7 H 0.172      
8 C -0.694      
9 H 0.236      
10 H 0.240      
11 C -0.337      
12 O -0.124      
13 C 0.357      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.365 3.061 1.661 3.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.473 -4.018 -2.813
y -4.018 -37.713 -0.016
z -2.813 -0.016 -37.055
Traceless
 xyz
x 6.910 -4.018 -2.813
y -4.018 -3.949 -0.016
z -2.813 -0.016 -2.962
Polar
3z2-r2-5.923
x2-y27.239
xy-4.018
xz-2.813
yz-0.016


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.445 0.472 -0.107
y 0.472 10.210 -0.222
z -0.107 -0.222 4.824


<r2> (average value of r2) Å2
<r2> 137.582
(<r2>)1/2 11.730