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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-286.500609
Energy at 298.15K-286.508499
Nuclear repulsion energy228.516036
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
(Å4/u)
Dep P Dep U
1 A 3732 3571 32.14      
2 A 3606 3450 33.12      
3 A 3255 3114 11.39      
4 A 3173 3036 6.92      
5 A 3161 3025 12.20      
6 A 3131 2995 11.76      
7 A 3063 2931 15.66      
8 A 1805 1727 259.11      
9 A 1722 1648 29.28      
10 A 1640 1569 110.54      
11 A 1516 1451 18.50      
12 A 1495 1431 9.77      
13 A 1464 1400 15.54      
14 A 1433 1371 8.53      
15 A 1400 1340 80.68      
16 A 1249 1195 47.26      
17 A 1109 1061 2.26      
18 A 1080 1033 1.05      
19 A 1029 984 5.72      
20 A 966 924 5.25      
21 A 949 908 39.26      
22 A 825 789 18.45      
23 A 756 723 5.29      
24 A 683 654 14.99      
25 A 580 554 24.40      
26 A 567 543 7.07      
27 A 509 487 5.65      
28 A 394 377 172.55      
29 A 367 351 42.17      
30 A 321 307 4.40      
31 A 262 250 12.18      
32 A 165 158 0.26      
33 A 76 72 3.92      

Unscaled Zero Point Vibrational Energy (zpe) 23741.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 22713.3 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 B3PW91/6-31G*
ABC
0.17404 0.11229 0.07267

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 -1.669 0.749 0.256
H2 -2.628 0.439 0.330
H3 -1.403 1.556 0.797
C4 1.669 -0.906 0.263
H5 1.512 -1.337 1.260
H6 1.509 -1.719 -0.453
H7 2.703 -0.558 0.192
C8 1.064 1.463 -0.273
H9 0.343 2.234 -0.531
H10 2.111 1.756 -0.286
C11 -0.746 -0.219 -0.041
O12 -1.070 -1.358 -0.346
C13 0.697 0.205 -0.004

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.01041.00833.72583.93444.08574.56342.87432.62223.94981.37012.27152.4421
H21.01041.72314.50294.59984.73115.42483.87883.57674.95742.02792.47213.3501
H31.00831.72313.97314.13314.55744.65742.69082.29643.68292.07053.14842.6230
C43.72584.50293.97311.09701.09481.09362.50393.50062.75402.52902.84231.5000
H53.93444.59984.13311.09701.75531.77953.22414.16323.50942.83563.04112.1540
H64.08574.73114.55741.09481.75531.78563.21794.12213.52992.73932.60692.1353
H74.56345.42484.65741.09361.77951.78562.64303.72662.43503.47303.89452.1545
C82.87433.87882.69082.50393.22413.21792.64301.08691.08752.48193.53861.3384
H92.62223.57672.29643.50064.16324.12213.72661.08691.84852.72863.86502.1268
H103.94984.95743.68292.75403.50943.52992.43501.08751.84853.48194.45232.1178
C111.37012.02792.07052.52902.83562.73933.47302.48192.72863.48191.22311.5044
O122.27152.47213.14842.84233.04112.60693.89453.53863.86504.45231.22312.3840
C132.44213.35012.62301.50002.15402.13532.15451.33842.12682.11781.50442.3840

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.209 C1 H11 H13 116.249
C2 C1 C3 117.210 C2 C1 H11 116.016
C3 C1 H11 120.271 C4 H13 H8 123.703
C4 H13 H11 114.651 O5 C4 N6 106.419
O5 C4 H7 108.651 O5 C4 H13 111.126
N6 C4 H7 109.365 N6 C4 H13 109.765
H7 C4 H13 111.376 H8 H13 H11 121.526
H9 H8 H10 116.455 H9 H8 H13 122.213
H10 H8 H13 121.280 H12 H11 H13 121.526
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 -0.787     -0.894
2 H 0.359     0.404
3 H 0.352     0.374
4 C -0.567     -0.356
5 H 0.187     0.102
6 H 0.214     0.122
7 H 0.171     0.119
8 C -0.434     -0.494
9 H 0.172     0.183
10 H 0.174     0.199
11 C 0.554     0.645
12 O -0.503     -0.510
13 C 0.108     0.106


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.281 2.918 1.600 3.339
CHELPG        
AIM        
ESP 0.323 2.915 1.606 3.343


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.679 -4.153 -2.605
y -4.153 -36.636 0.037
z -2.605 0.037 -36.488
Traceless
 xyz
x 5.883 -4.153 -2.605
y -4.153 -3.052 0.037
z -2.605 0.037 -2.831
Polar
3z2-r2-5.661
x2-y25.957
xy-4.153
xz-2.605
yz0.037


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> 163.325
(<r2>)1/2 12.780