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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: mPW1PW91/6-31+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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-286.561477
Energy at 298.15K-286.569339
Nuclear repulsion energy228.828671
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 mPW1PW91/6-31+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 3787 3605 46.18      
2 A 3645 3469 42.15      
3 A 3271 3113 8.87      
4 A 3183 3029 5.34      
5 A 3176 3023 11.18      
6 A 3145 2994 8.47      
7 A 3073 2925 15.34      
8 A 1792 1706 330.06      
9 A 1721 1638 56.39      
10 A 1628 1549 122.79      
11 A 1500 1428 23.85      
12 A 1477 1406 12.14      
13 A 1454 1384 17.20      
14 A 1427 1358 19.86      
15 A 1397 1330 70.12      
16 A 1248 1188 50.43      
17 A 1101 1048 0.51      
18 A 1071 1020 0.61      
19 A 1025 975 6.90      
20 A 967 920 8.47      
21 A 957 911 42.10      
22 A 824 784 13.36      
23 A 759 723 3.60      
24 A 683 651 8.47      
25 A 579 552 12.80      
26 A 571 543 6.89      
27 A 508 484 3.20      
28 A 378 360 22.45      
29 A 335 319 173.87      
30 A 318 303 5.89      
31 A 259 246 19.39      
32 A 168 160 0.34      
33 A 72 69 4.75      

Unscaled Zero Point Vibrational Energy (zpe) 23748.9 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 22604.2 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 mPW1PW91/6-31+G**
ABC
0.17462 0.11191 0.07317

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.663 0.739 0.291
H2 -2.628 0.454 0.324
H3 -1.393 1.572 0.784
C4 1.662 -0.908 0.282
H5 1.490 -1.329 1.278
H6 1.513 -1.723 -0.430
H7 2.694 -0.558 0.222
C8 1.069 1.454 -0.292
H9 0.352 2.222 -0.562
H10 2.116 1.737 -0.308
C11 -0.746 -0.213 -0.043
O12 -1.075 -1.344 -0.374
C13 0.698 0.201 -0.006

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.00711.00483.71083.89754.08274.54622.88282.64263.95401.36352.26412.4393
H21.00711.72834.50144.58754.73875.41813.87873.57624.95512.03012.47583.3517
H31.00481.72833.96714.11944.55824.64282.68902.29723.67872.07123.15332.6221
C43.71084.50143.96711.09441.09271.09112.50223.49702.74812.52752.84841.4974
H53.89754.58754.11941.09441.75301.77703.22244.15793.50792.82623.05082.1478
H64.08274.73874.55821.09271.75301.78273.21114.11503.51502.74452.61632.1322
H74.54625.41814.64281.09111.77701.78272.63693.71892.42543.46733.89592.1474
C82.88283.87872.68902.50223.22243.21112.63691.08501.08532.47703.52561.3379
H92.64263.57622.29723.49704.15794.11503.71891.08501.84752.72153.84552.1250
H103.95404.95513.67872.74813.50793.51502.42541.08531.84753.47394.43652.1128
C111.36352.03012.07122.52752.82622.74453.46732.47702.72153.47391.22291.5026
O122.26412.47583.15332.84843.05082.61633.89593.52563.84554.43651.22292.3801
C132.43933.35172.62211.49742.14782.13222.14741.33792.12502.11281.50262.3801

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.080 C1 H11 H13 116.575
C2 C1 C3 118.427 C2 C1 H11 117.025
C3 C1 H11 121.243 C4 H13 H8 123.798
C4 H13 H11 114.805 O5 C4 N6 106.544
O5 C4 H7 108.798 O5 C4 H13 110.971
N6 C4 H7 109.438 N6 C4 H13 109.826
H7 C4 H13 111.144 H8 H13 H11 121.275
H9 H8 H10 116.704 H9 H8 H13 122.236
H10 H8 H13 121.005 H12 H11 H13 121.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.575      
2 H 0.337      
3 H 0.311      
4 C -0.742      
5 H 0.187      
6 H 0.211      
7 H 0.166      
8 C -0.469      
9 H 0.159      
10 H 0.164      
11 C 0.249      
12 O -0.500      
13 C 0.502      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.470 3.206 1.538 3.587
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.485 -4.787 -2.495
y -4.787 -37.617 -0.414
z -2.495 -0.414 -37.877
Traceless
 xyz
x 6.262 -4.787 -2.495
y -4.787 -2.936 -0.414
z -2.495 -0.414 -3.326
Polar
3z2-r2-6.653
x2-y26.132
xy-4.787
xz-2.495
yz-0.414


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> 163.585
(<r2>)1/2 12.790