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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: B1B95/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 B1B95/CEP-31G*
 hartrees
Energy at 0K-52.610774
Energy at 298.15K-52.618419
Nuclear repulsion energy122.818958
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 B1B95/CEP-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 3758 3598 36.25      
2 A 3624 3469 40.99      
3 A 3244 3105 15.55      
4 A 3179 3043 17.85      
5 A 3168 3033 7.90      
6 A 3154 3019 17.48      
7 A 3080 2948 16.85      
8 A 1798 1721 307.30      
9 A 1719 1646 50.59      
10 A 1607 1538 122.46      
11 A 1480 1417 19.72      
12 A 1464 1401 12.60      
13 A 1429 1368 29.40      
14 A 1425 1364 19.91      
15 A 1376 1317 50.84      
16 A 1220 1167 54.19      
17 A 1073 1027 0.76      
18 A 1046 1001 1.78      
19 A 1000 958 7.80      
20 A 950 909 63.63      
21 A 936 896 5.61      
22 A 803 769 11.39      
23 A 750 718 4.13      
24 A 660 631 10.28      
25 A 560 536 24.41      
26 A 543 520 17.37      
27 A 478 458 7.02      
28 A 359 344 147.88      
29 A 337 322 61.56      
30 A 297 285 7.81      
31 A 239 229 11.87      
32 A 167 160 0.28      
33 A 68 65 4.28      

Unscaled Zero Point Vibrational Energy (zpe) 23495.5 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 22489.9 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 B1B95/CEP-31G*
ABC
0.17009 0.11065 0.07089

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.686 0.756 0.238
H2 -2.646 0.437 0.320
H3 -1.417 1.576 0.768
C4 1.696 -0.915 0.246
H5 1.530 -1.376 1.234
H6 1.549 -1.711 -0.500
H7 2.732 -0.550 0.192
C8 1.061 1.495 -0.258
H9 0.322 2.262 -0.507
H10 2.113 1.800 -0.270
C11 -0.752 -0.228 -0.038
O12 -1.081 -1.382 -0.325
C13 0.705 0.203 -0.001

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.01471.01313.77223.98444.13414.60692.88772.61803.97211.38352.29122.4654
H21.01471.73414.54844.64314.78355.46923.89813.58044.98492.03852.48463.3742
H31.01311.73414.02104.19664.60514.69732.68352.26273.68592.08403.17052.6417
C43.77224.54844.02101.10271.10111.09962.54303.54312.79532.55892.87291.5143
H53.98444.64314.19661.10271.76631.79273.26944.21053.56242.85353.04022.1673
H64.13414.78354.60511.10111.76631.79663.25224.15873.56412.77652.65562.1504
H74.60695.46924.69731.09961.79271.79662.67893.76952.47423.50663.93622.1709
C82.88773.89812.68352.54303.26943.25222.67891.09451.09492.51113.58701.3651
H92.61803.58042.26273.54314.21054.15873.76951.09451.86502.75203.90852.1553
H103.97214.98493.68592.79533.56243.56412.47421.09491.86503.51784.50822.1463
C111.38352.03852.08402.55892.85352.77653.50662.51112.75203.51781.23351.5199
O122.29122.48463.17052.87293.04022.65563.93623.58703.90854.50821.23352.4089
C132.46543.37422.64171.51432.16732.15042.17091.36512.15532.14631.51992.4089

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.104 C1 H11 H13 116.162
C2 C1 C3 117.552 C2 C1 H11 115.567
C3 C1 H11 120.024 C4 H13 H8 123.971
C4 H13 H11 114.992 O5 C4 N6 106.540
O5 C4 H7 108.975 O5 C4 H13 110.838
N6 C4 H7 109.446 N6 C4 H13 109.603
H7 C4 H13 111.315 H8 H13 H11 120.917
H9 H8 H10 116.820 H9 H8 H13 122.013
H10 H8 H13 121.107 H12 H11 H13 121.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.366      
2 H 0.337      
3 H 0.327      
4 C -0.403      
5 H 0.141      
6 H 0.177      
7 H 0.167      
8 C -0.664      
9 H 0.228      
10 H 0.235      
11 C -0.347      
12 O -0.116      
13 C 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.400 3.134 1.607 3.545
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.371 -4.578 -2.663
y -4.578 -36.835 0.062
z -2.663 0.062 -36.745
Traceless
 xyz
x 6.419 -4.578 -2.663
y -4.578 -3.277 0.062
z -2.663 0.062 -3.141
Polar
3z2-r2-6.283
x2-y26.464
xy-4.578
xz-2.663
yz0.062


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.263 0.468 -0.132
y 0.468 9.920 -0.215
z -0.132 -0.215 4.772


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000