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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-286.514330
Energy at 298.15K-286.522207
Nuclear repulsion energy228.630431
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 3762 3606 37.26      
2 A 3622 3472 34.51      
3 A 3253 3118 10.57      
4 A 3166 3035 5.81      
5 A 3162 3031 11.19      
6 A 3130 2999 11.35      
7 A 3058 2931 15.11      
8 A 1802 1727 259.75      
9 A 1719 1648 29.81      
10 A 1617 1550 121.50      
11 A 1499 1437 19.73      
12 A 1477 1415 9.59      
13 A 1450 1390 16.35      
14 A 1420 1360 15.58      
15 A 1391 1333 66.95      
16 A 1243 1191 45.77      
17 A 1098 1052 1.20      
18 A 1069 1025 1.03      
19 A 1020 977 5.70      
20 A 962 922 6.47      
21 A 947 908 35.37      
22 A 824 790 17.18      
23 A 753 722 4.70      
24 A 683 654 12.83      
25 A 579 555 19.39      
26 A 569 545 5.28      
27 A 507 486 4.14      
28 A 380 364 76.26      
29 A 358 343 131.16      
30 A 321 307 4.23      
31 A 262 251 14.48      
32 A 163 156 0.31      
33 A 76 73 3.79      

Unscaled Zero Point Vibrational Energy (zpe) 23670.2 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 22685.5 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
0.17409 0.11234 0.07278

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 0.747 0.264
H2 -2.628 0.446 0.320
H3 -1.397 1.565 0.785
C4 1.666 -0.908 0.266
H5 1.521 -1.322 1.271
H6 1.486 -1.728 -0.435
H7 2.700 -0.569 0.174
C8 1.066 1.462 -0.277
H9 0.344 2.231 -0.535
H10 2.113 1.752 -0.291
C11 -0.746 -0.218 -0.041
O12 -1.071 -1.356 -0.351
C13 0.698 0.204 -0.004

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.00831.00623.72103.93104.06904.56182.87612.62453.95051.36782.27032.4409
H21.00831.72674.50204.60814.71365.42533.87693.57104.95512.02712.47343.3498
H31.00621.72673.97074.13304.54384.65992.68442.28523.67642.06953.15032.6196
C43.72104.50203.97071.09611.09381.09232.50403.49912.75392.52772.84091.4992
H53.93104.60814.13301.09611.75371.77813.21684.15553.49772.84233.05732.1519
H64.06904.71364.54381.09381.75371.78553.22154.12213.53902.72422.58542.1314
H74.56185.42534.65991.09231.77811.78552.64503.72722.43823.47083.88772.1537
C82.87613.87692.68442.50403.21683.22152.64501.08621.08672.48203.53691.3382
H92.62453.57102.28523.49914.15554.12213.72721.08621.84892.72603.86042.1249
H103.95054.95513.67642.75393.49773.53902.43821.08671.84893.48104.44952.1165
C111.36782.02712.06952.52772.84232.72423.47082.48202.72603.48101.22331.5050
O122.27032.47343.15032.84093.05732.58543.88773.53693.86044.44951.22332.3839
C132.44093.34982.61961.49922.15192.13142.15371.33822.12492.11651.50502.3839

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.271 C1 H11 H13 116.265
C2 C1 C3 117.987 C2 C1 H11 116.287
C3 C1 H11 120.551 C4 H13 H8 123.796
C4 H13 H11 114.578 O5 C4 N6 106.411
O5 C4 H7 108.679 O5 C4 H13 111.073
N6 C4 H7 109.518 N6 C4 H13 109.573
H7 C4 H13 111.449 H8 H13 H11 121.498
H9 H8 H10 116.619 H9 H8 H13 122.101
H10 H8 H13 121.230 H12 H11 H13 121.452
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 -0.653      
2 H 0.297      
3 H 0.287      
4 C -0.425      
5 H 0.148      
6 H 0.175      
7 H 0.128      
8 C -0.325      
9 H 0.128      
10 H 0.132      
11 C 0.551      
12 O -0.504      
13 C 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.259 2.939 1.545 3.331
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.629 -4.292 -2.454
y -4.292 -36.537 -0.063
z -2.454 -0.063 -36.515
Traceless
 xyz
x 5.897 -4.292 -2.454
y -4.292 -2.965 -0.063
z -2.454 -0.063 -2.932
Polar
3z2-r2-5.864
x2-y25.908
xy-4.292
xz-2.454
yz-0.063


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> 163.146
(<r2>)1/2 12.773