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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-284.903930
Energy at 298.15K-284.912057
Nuclear repulsion energy228.803218
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 B1B95/3-21G
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 3701 3540 33.10      
2 A 3568 3414 33.25      
3 A 3252 3111 11.59      
4 A 3173 3036 7.19      
5 A 3171 3034 4.29      
6 A 3135 3000 9.24      
7 A 3070 2937 10.65      
8 A 1754 1678 138.29      
9 A 1723 1648 87.83      
10 A 1667 1595 81.95      
11 A 1550 1483 22.74      
12 A 1528 1462 14.14      
13 A 1493 1428 9.35      
14 A 1445 1382 24.60      
15 A 1385 1325 103.00      
16 A 1264 1209 51.76      
17 A 1112 1064 1.59      
18 A 1102 1054 4.25      
19 A 1053 1007 4.77      
20 A 976 934 37.47      
21 A 957 915 16.43      
22 A 846 810 44.77      
23 A 739 707 4.95      
24 A 693 663 53.36      
25 A 606 580 55.88      
26 A 576 551 3.25      
27 A 535 512 153.70      
28 A 508 486 36.57      
29 A 381 364 5.82      
30 A 328 313 9.17      
31 A 284 271 11.72      
32 A 148 142 0.25      
33 A 84 80 6.81      

Unscaled Zero Point Vibrational Energy (zpe) 23903.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 22868.3 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 B1B95/3-21G
ABC
0.17187 0.11526 0.07260

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.657 0.754 0.244
H2 -2.639 0.517 0.197
H3 -1.384 1.651 0.617
C4 1.643 -0.923 0.229
H5 1.582 -1.271 1.266
H6 1.332 -1.756 -0.408
H7 2.674 -0.640 0.008
C8 1.069 1.474 -0.239
H9 0.353 2.253 -0.479
H10 2.115 1.760 -0.245
C11 -0.742 -0.218 -0.035
O12 -1.054 -1.388 -0.300
C13 0.695 0.218 0.001

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.01151.00923.70173.95373.95694.55552.86062.60943.93411.36282.29012.4244
H21.01151.74274.51814.70694.61545.44063.85433.52434.93352.04692.52713.3532
H31.00921.74273.99294.21374.47624.69982.60452.14083.60552.08053.19112.5994
C43.70174.51813.99291.09581.09321.09102.50923.50032.76572.50192.78771.5011
H53.95374.70694.21371.09581.76051.78103.17224.11963.42902.86423.06812.1454
H63.95694.61544.47621.09321.76051.79353.24504.12683.60582.60962.41712.1141
H74.55555.44064.69981.09101.78101.79352.66593.74072.47803.44263.81452.1568
C82.86063.85432.60452.50923.17223.24502.66591.08471.08412.48713.56401.3324
H92.60943.52432.14083.50034.11964.12683.74071.08471.84412.73853.90682.1183
H103.93414.93353.60552.76573.42903.60582.47801.08411.84413.48154.46712.1106
C111.36282.04692.08052.50192.86422.60963.44262.48712.73853.48151.23951.5027
O122.29012.52713.19112.78773.06812.41713.81453.56403.90684.46711.23952.3936
C132.42443.35322.59941.50112.14542.11412.15681.33242.11832.11061.50272.3936

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 123.227 C1 H11 H13 115.485
C2 C1 C3 119.187 C2 C1 H11 118.360
C3 C1 H11 121.886 C4 H13 H8 124.529
C4 H13 H11 112.798 O5 C4 N6 107.076
O5 C4 H7 109.060 O5 C4 H13 110.440
N6 C4 H7 110.392 N6 C4 H13 108.128
H7 C4 H13 111.642 H8 H13 H11 122.516
H9 H8 H10 116.486 H9 H8 H13 122.083
H10 H8 H13 121.380 H12 H11 H13 121.288
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.792      
2 H 0.334      
3 H 0.330      
4 C -0.624      
5 H 0.229      
6 H 0.253      
7 H 0.207      
8 C -0.405      
9 H 0.194      
10 H 0.213      
11 C 0.654      
12 O -0.507      
13 C -0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.000 3.213 1.087 3.392
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.210 -4.749 -1.507
y -4.749 -36.067 -0.322
z -1.507 -0.322 -37.407
Traceless
 xyz
x 6.527 -4.749 -1.507
y -4.749 -2.258 -0.322
z -1.507 -0.322 -4.268
Polar
3z2-r2-8.537
x2-y25.857
xy-4.749
xz-1.507
yz-0.322


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.597 0.357 -0.119
y 0.357 8.822 -0.197
z -0.119 -0.197 3.496


<r2> (average value of r2) Å2
<r2> 162.520
(<r2>)1/2 12.748