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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-286.286308
Energy at 298.15K-286.293962
Nuclear repulsion energy226.870367
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 PBEPBE/6-31+G**
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 3650 3609 33.42      
2 A 3511 3471 26.02      
3 A 3173 3137 11.10      
4 A 3087 3052 7.21      
5 A 3083 3048 11.59      
6 A 3049 3014 7.63      
7 A 2983 2949 15.37      
8 A 1697 1678 276.95      
9 A 1645 1626 55.67      
10 A 1561 1543 100.38      
11 A 1447 1430 21.16      
12 A 1423 1407 12.00      
13 A 1399 1383 12.89      
14 A 1364 1348 9.97      
15 A 1338 1323 76.09      
16 A 1199 1185 48.00      
17 A 1052 1040 1.10      
18 A 1029 1017 0.46      
19 A 986 975 6.25      
20 A 933 922 3.65      
21 A 899 889 44.08      
22 A 785 776 8.69      
23 A 729 721 3.72      
24 A 652 644 6.59      
25 A 560 553 12.22      
26 A 549 542 4.97      
27 A 490 484 2.79      
28 A 367 363 18.89      
29 A 326 322 160.47      
30 A 305 301 7.12      
31 A 252 249 17.50      
32 A 161 160 0.39      
33 A 68 67 4.61      

Unscaled Zero Point Vibrational Energy (zpe) 22873.9 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 22613.1 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 PBEPBE/6-31+G**
ABC
0.17156 0.11024 0.07195

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.671 0.757 0.288
H2 -2.646 0.469 0.330
H3 -1.396 1.592 0.794
C4 1.669 -0.919 0.283
H5 1.499 -1.342 1.289
H6 1.509 -1.745 -0.430
H7 2.712 -0.574 0.216
C8 1.086 1.462 -0.294
H9 0.368 2.241 -0.568
H10 2.144 1.740 -0.310
C11 -0.750 -0.213 -0.041
O12 -1.092 -1.356 -0.374
C13 0.703 0.199 -0.004

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.01731.01563.73733.93094.10964.58092.90482.66373.98571.37712.28822.4568
H21.01731.74434.53344.62354.76925.45953.91193.61014.99772.04872.49813.3770
H31.01561.74433.99544.15074.59074.67922.71272.32113.71132.09133.18592.6431
C43.73734.53343.99541.10421.10251.10032.51813.52162.76612.54122.87171.5051
H53.93094.62354.15071.10421.76521.79243.24534.19023.53152.84623.07852.1626
H64.10964.76924.59071.10251.76521.79873.23744.14823.54502.75752.63072.1468
H74.58095.45954.67921.10031.79241.79872.65413.74512.43973.49013.92782.1629
C82.90483.91192.71272.51813.24533.23742.65411.09421.09482.49773.56191.3509
H92.66373.61012.32113.52164.19024.14823.74511.09421.86332.74733.88652.1447
H103.98574.99773.71132.76613.53153.54502.43971.09481.86333.50234.47942.1324
C111.37712.04872.09132.54122.84622.75753.49012.49772.74733.50231.23861.5111
O122.28822.49813.18592.87173.07852.63073.92783.56193.88654.47941.23862.4034
C132.45683.37702.64311.50512.16262.14682.16291.35092.14472.13241.51112.4034

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 121.952 C1 H11 H13 116.485
C2 C1 C3 118.197 C2 C1 H11 116.858
C3 C1 H11 121.126 C4 H13 H8 123.609
C4 H13 H11 114.819 O5 C4 N6 106.252
O5 C4 H7 108.789 O5 C4 H13 111.027
N6 C4 H7 109.484 N6 C4 H13 109.871
H7 C4 H13 111.280 H8 H13 H11 121.446
H9 H8 H10 116.683 H9 H8 H13 122.249
H10 H8 H13 121.006 H12 H11 H13 121.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.524      
2 H 0.323      
3 H 0.297      
4 C -0.759      
5 H 0.189      
6 H 0.213      
7 H 0.166      
8 C -0.498      
9 H 0.152      
10 H 0.156      
11 C 0.257      
12 O -0.470      
13 C 0.498      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.430 3.063 1.526 3.449
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.991 -4.840 -2.493
y -4.840 -38.047 -0.325
z -2.493 -0.325 -38.282
Traceless
 xyz
x 6.174 -4.840 -2.493
y -4.840 -2.910 -0.325
z -2.493 -0.325 -3.264
Polar
3z2-r2-6.527
x2-y26.056
xy-4.840
xz-2.493
yz-0.325


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.130 0.443 -0.203
y 0.443 11.292 -0.115
z -0.203 -0.115 6.587


<r2> (average value of r2) Å2
<r2> 166.189
(<r2>)1/2 12.891