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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-286.564113
Energy at 298.15K-286.572036
Nuclear repulsion energy229.480675
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 mPW1PW91/6-31G(2df,p)
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 3779 3608 36.63      
2 A 3642 3477 36.74      
3 A 3260 3112 8.27      
4 A 3173 3030 4.33      
5 A 3170 3027 9.97      
6 A 3137 2995 8.87      
7 A 3066 2927 13.48      
8 A 1814 1732 260.98      
9 A 1725 1647 27.47      
10 A 1618 1545 113.46      
11 A 1492 1425 21.62      
12 A 1470 1403 9.57      
13 A 1450 1384 16.45      
14 A 1416 1352 23.77      
15 A 1390 1327 54.60      
16 A 1245 1188 42.52      
17 A 1105 1054 1.72      
18 A 1072 1023 0.75      
19 A 1018 972 5.76      
20 A 967 923 17.00      
21 A 959 915 19.08      
22 A 838 800 14.66      
23 A 757 723 4.95      
24 A 687 656 10.00      
25 A 581 555 17.97      
26 A 568 542 5.03      
27 A 506 483 4.20      
28 A 382 365 91.74      
29 A 362 346 87.54      
30 A 328 313 4.07      
31 A 264 252 13.18      
32 A 166 158 0.25      
33 A 75 71 3.94      

Unscaled Zero Point Vibrational Energy (zpe) 23739.7 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 22664.3 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 mPW1PW91/6-31G(2df,p)
ABC
0.17537 0.11349 0.07316

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.667 0.742 0.248
H2 -2.621 0.433 0.322
H3 -1.398 1.557 0.767
C4 1.664 -0.902 0.255
H5 1.521 -1.324 1.255
H6 1.484 -1.717 -0.450
H7 2.695 -0.559 0.164
C8 1.056 1.463 -0.265
H9 0.332 2.231 -0.512
H10 2.100 1.758 -0.278
C11 -0.744 -0.222 -0.041
O12 -1.059 -1.356 -0.336
C13 0.694 0.208 -0.003

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.00531.00293.71413.92924.05694.55232.86252.60603.93601.36472.26112.4337
H21.00531.71884.48834.59454.69775.40993.86253.55614.93892.02052.46493.3386
H31.00291.71883.96054.13004.52844.64722.66372.25503.65602.05993.13352.6065
C43.71414.48833.96051.09451.09231.09082.49673.49002.74742.51952.82291.4960
H53.92924.59454.13001.09451.75011.77623.20784.14393.48982.83243.03092.1473
H64.05694.69774.52841.09231.75011.78443.21374.11313.53262.71432.57092.1275
H74.55235.40994.64721.09081.77621.78442.63793.71812.43213.46163.87012.1490
C82.86253.86252.66372.49673.20783.21372.63791.08401.08472.47503.52481.3322
H92.60603.55612.25503.49004.14394.11313.71811.08401.84462.71953.85182.1178
H103.93604.93893.65602.74743.48983.53262.43211.08471.84463.47244.43562.1100
C111.36472.02052.05992.51952.83242.71433.46162.47502.71953.47241.21421.5013
O122.26112.46493.13352.82293.03092.57093.87013.52483.85184.43561.21422.3728
C132.43373.33862.60651.49602.14732.12752.14901.33222.11782.11001.50132.3728

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.394 C1 H11 H13 116.155
C2 C1 C3 117.714 C2 C1 H11 116.154
C3 C1 H11 120.150 C4 H13 H8 123.856
C4 H13 H11 114.402 O5 C4 N6 106.322
O5 C4 H7 108.747 O5 C4 H13 111.027
N6 C4 H7 109.649 N6 C4 H13 109.572
H7 C4 H13 111.389 H8 H13 H11 121.616
H9 H8 H10 116.549 H9 H8 H13 122.116
H10 H8 H13 121.293 H12 H11 H13 121.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.588      
2 H 0.283      
3 H 0.281      
4 C -0.525      
5 H 0.159      
6 H 0.183      
7 H 0.143      
8 C -0.444      
9 H 0.143      
10 H 0.147      
11 C 0.406      
12 O -0.384      
13 C 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.252 2.867 1.452 3.224
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.649 -4.076 -2.365
y -4.076 -36.507 -0.040
z -2.365 -0.040 -36.282
Traceless
 xyz
x 5.746 -4.076 -2.365
y -4.076 -3.042 -0.040
z -2.365 -0.040 -2.704
Polar
3z2-r2-5.408
x2-y25.858
xy-4.076
xz-2.365
yz-0.040


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.659 0.338 -0.170
y 0.338 9.587 -0.202
z -0.170 -0.202 4.929


<r2> (average value of r2) Å2
<r2> 162.103
(<r2>)1/2 12.732