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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-286.424383
Energy at 298.15K-286.432510
Nuclear repulsion energy227.648458
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 B3PW91/6-31G
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 3777 3617 32.46      
2 A 3633 3479 34.05      
3 A 3267 3128 16.11      
4 A 3179 3044 6.12      
5 A 3168 3034 12.87      
6 A 3134 3002 12.39      
7 A 3060 2931 15.82      
8 A 1739 1665 77.73      
9 A 1704 1632 230.18      
10 A 1660 1590 73.06      
11 A 1535 1470 22.42      
12 A 1513 1449 12.29      
13 A 1487 1424 17.40      
14 A 1455 1393 10.61      
15 A 1426 1366 97.30      
16 A 1271 1218 48.72      
17 A 1114 1066 1.09      
18 A 1103 1057 3.60      
19 A 1053 1008 6.02      
20 A 985 944 44.02      
21 A 975 934 11.68      
22 A 832 797 45.00      
23 A 759 727 3.21      
24 A 695 666 80.04      
25 A 617 591 92.83      
26 A 578 554 8.58      
27 A 543 520 129.51      
28 A 512 491 23.23      
29 A 382 366 1.54      
30 A 333 319 4.53      
31 A 270 259 11.50      
32 A 157 150 0.29      
33 A 75 72 8.02      

Unscaled Zero Point Vibrational Energy (zpe) 23994.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 22979.4 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 B3PW91/6-31G
ABC
0.17221 0.11183 0.07215

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.667 0.749 0.289
H2 -2.643 0.504 0.239
H3 -1.405 1.646 0.660
C4 1.660 -0.919 0.263
H5 1.514 -1.332 1.269
H6 1.477 -1.740 -0.439
H7 2.697 -0.587 0.169
C8 1.084 1.461 -0.273
H9 0.380 2.246 -0.535
H10 2.133 1.739 -0.280
C11 -0.745 -0.205 -0.039
O12 -1.084 -1.370 -0.347
C13 0.698 0.203 -0.006

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.00771.00533.72163.92524.07464.56492.89612.66603.96791.36662.28732.4450
H21.00771.73564.53224.65944.73985.45053.88163.57364.96072.04532.50713.3637
H31.00531.73564.01674.21444.57984.69612.66442.23013.66262.08613.19532.6366
C43.72164.53224.01671.09711.09491.09302.50743.50652.75432.52662.84631.5022
H53.92524.65944.21441.09711.75601.77903.21954.16453.49502.84273.05932.1558
H64.07464.73984.57981.09491.75601.78533.22944.13523.54362.72932.58862.1368
H74.56495.45054.69611.09301.77901.78532.64433.72692.43483.46903.89502.1561
C82.89613.88162.66442.50743.21953.22942.64431.08631.08582.48533.56611.3430
H92.66603.57362.23013.50654.16454.13523.72691.08631.84322.74253.90512.1345
H103.96794.96073.66262.75433.49503.54362.43481.08581.84323.48194.47402.1201
C111.36662.04532.08612.52662.84272.72933.46902.48532.74253.48191.25091.5001
O122.28732.50713.19532.84633.05932.58863.89503.56613.90514.47401.25092.4006
C132.44503.36372.63661.50222.15582.13682.15611.34302.13452.12011.50012.4006

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 121.750 C1 H11 H13 116.984
C2 C1 C3 119.123 C2 C1 H11 118.172
C3 C1 H11 122.423 C4 H13 H8 123.494
C4 H13 H11 114.614 O5 C4 N6 106.470
O5 C4 H7 108.641 O5 C4 H13 111.112
N6 C4 H7 109.370 N6 C4 H13 109.727
H7 C4 H13 111.384 H8 H13 H11 121.794
H9 H8 H10 116.114 H9 H8 H13 122.605
H10 H8 H13 121.226 H12 H11 H13 121.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.771      
2 H 0.354      
3 H 0.345      
4 C -0.526      
5 H 0.183      
6 H 0.212      
7 H 0.161      
8 C -0.376      
9 H 0.154      
10 H 0.165      
11 C 0.482      
12 O -0.471      
13 C 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.352 3.500 1.260 3.737
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.584 -5.347 -1.801
y -5.347 -36.733 -0.554
z -1.801 -0.554 -37.459
Traceless
 xyz
x 6.512 -5.347 -1.801
y -5.347 -2.711 -0.554
z -1.801 -0.554 -3.801
Polar
3z2-r2-7.602
x2-y26.149
xy-5.347
xz-1.801
yz-0.554


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> 164.485
(<r2>)1/2 12.825