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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: B1B95/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-286.586092
Energy at 298.15K-286.593983
Nuclear repulsion energy230.214499
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/cc-pVTZ
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 3763 3602 37.20      
2 A 3628 3472 36.65      
3 A 3245 3106 10.44      
4 A 3161 3026 5.32      
5 A 3159 3023 11.45      
6 A 3125 2991 9.38      
7 A 3062 2931 13.72      
8 A 1793 1716 292.53      
9 A 1721 1647 43.72      
10 A 1619 1549 117.96      
11 A 1490 1426 22.03      
12 A 1465 1402 10.28      
13 A 1447 1385 15.88      
14 A 1416 1355 23.49      
15 A 1389 1329 56.36      
16 A 1245 1191 44.74      
17 A 1102 1055 1.23      
18 A 1068 1023 0.59      
19 A 1015 972 6.13      
20 A 968 926 20.80      
21 A 959 917 18.49      
22 A 833 797 13.02      
23 A 756 723 4.49      
24 A 682 653 7.91      
25 A 578 554 13.75      
26 A 569 545 3.51      
27 A 503 482 3.53      
28 A 378 362 30.85      
29 A 339 325 129.32      
30 A 327 313 16.74      
31 A 259 248 18.63      
32 A 161 154 0.22      
33 A 71 68 4.33      

Unscaled Zero Point Vibrational Energy (zpe) 23648.1 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 22633.6 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 B1B95/cc-pVTZ
ABC
0.17648 0.11437 0.07357

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.663 0.734 0.249
H2 -2.620 0.441 0.303
H3 -1.393 1.572 0.725
C4 1.663 -0.895 0.250
H5 1.514 -1.323 1.241
H6 1.493 -1.701 -0.460
H7 2.687 -0.544 0.168
C8 1.046 1.461 -0.260
H9 0.319 2.222 -0.503
H10 2.085 1.757 -0.274
C11 -0.741 -0.222 -0.038
O12 -1.051 -1.358 -0.329
C13 0.693 0.207 -0.003

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.00271.00053.70283.91224.04804.53482.85062.58953.92031.35862.25512.4268
H21.00271.72074.48694.59174.69985.40023.84713.52954.92012.02192.47003.3355
H31.00051.72073.95574.13484.52124.63032.63312.20483.62402.05553.13252.5967
C43.70284.48693.95571.08971.08791.08602.48793.47642.73612.51272.81351.4899
H53.91224.59174.13481.08971.74291.77043.19724.12733.47992.81653.00762.1364
H64.04804.69984.52121.08791.74291.77763.19944.09463.51332.71182.57012.1190
H74.53485.40024.63031.08601.77041.77762.62663.70312.41993.44983.85842.1385
C82.85063.84712.63312.48793.19723.19942.62661.08021.08062.46513.51471.3275
H92.58953.52952.20483.47644.12734.09463.70311.08021.84082.70403.83722.1087
H103.92034.92013.62402.73613.47993.51332.41991.08061.84083.45864.42122.1009
C111.35862.02192.05552.51272.81652.71183.44982.46512.70403.45861.21321.4973
O122.25512.47003.13252.81353.00762.57013.85843.51473.83724.42121.21322.3664
C132.42683.33552.59671.48992.13642.11902.13851.32752.10872.10091.49732.3664

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.432 C1 H11 H13 116.283
C2 C1 C3 118.404 C2 C1 H11 117.005
C3 C1 H11 120.466 C4 H13 H8 123.933
C4 H13 H11 114.526 O5 C4 N6 106.339
O5 C4 H7 108.923 O5 C4 H13 110.879
N6 C4 H7 109.711 N6 C4 H13 109.592
H7 C4 H13 111.271 H8 H13 H11 121.423
H9 H8 H10 116.848 H9 H8 H13 121.954
H10 H8 H13 121.153 H12 H11 H13 121.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.259      
2 H 0.174      
3 H 0.179      
4 C -0.341      
5 H 0.125      
6 H 0.143      
7 H 0.107      
8 C -0.347      
9 H 0.128      
10 H 0.131      
11 C 0.244      
12 O -0.340      
13 C 0.058      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.285 3.043 1.371 3.350
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.133 -4.418 -2.238
y -4.418 -37.194 -0.230
z -2.238 -0.230 -37.173
Traceless
 xyz
x 6.050 -4.418 -2.238
y -4.418 -3.041 -0.230
z -2.238 -0.230 -3.009
Polar
3z2-r2-6.018
x2-y26.061
xy-4.418
xz-2.238
yz-0.230


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.264 0.295 -0.174
y 0.295 10.318 -0.178
z -0.174 -0.178 5.692


<r2> (average value of r2) Å2
<r2> 161.627
(<r2>)1/2 12.713