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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: B3PW91/6-31G(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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-286.527088
Energy at 298.15K-286.534968
Nuclear repulsion energy229.057734
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(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 3754 3609 34.22      
2 A 3618 3479 34.60      
3 A 3241 3116 8.96      
4 A 3156 3034 5.33      
5 A 3151 3030 10.35      
6 A 3117 2997 9.69      
7 A 3048 2930 14.36      
8 A 1795 1726 253.99      
9 A 1710 1644 26.13      
10 A 1607 1545 108.63      
11 A 1485 1427 20.64      
12 A 1462 1406 9.20      
13 A 1441 1386 14.67      
14 A 1404 1350 18.40      
15 A 1380 1327 62.18      
16 A 1235 1188 42.78      
17 A 1095 1053 1.88      
18 A 1065 1024 0.74      
19 A 1013 974 5.51      
20 A 959 922 12.39      
21 A 951 914 23.56      
22 A 831 799 13.69      
23 A 750 721 4.94      
24 A 683 657 9.44      
25 A 578 555 17.19      
26 A 565 544 4.25      
27 A 504 484 3.98      
28 A 378 363 70.08      
29 A 358 344 107.63      
30 A 325 312 3.91      
31 A 262 252 13.25      
32 A 163 157 0.26      
33 A 73 71 3.88      

Unscaled Zero Point Vibrational Energy (zpe) 23578.5 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 22668.4 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(2df,p)
ABC
0.17476 0.11286 0.07298

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.667 0.745 0.257
H2 -2.624 0.440 0.329
H3 -1.395 1.560 0.777
C4 1.665 -0.905 0.262
H5 1.524 -1.319 1.267
H6 1.482 -1.726 -0.437
H7 2.698 -0.565 0.166
C8 1.061 1.461 -0.271
H9 0.340 2.232 -0.524
H10 2.107 1.754 -0.286
C11 -0.746 -0.221 -0.041
O12 -1.065 -1.355 -0.345
C13 0.696 0.206 -0.004

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.00701.00463.71773.93174.06254.55822.86972.61653.94411.36722.26532.4371
H21.00701.72184.49544.60204.70555.41883.87093.56634.94852.02542.47093.3445
H31.00461.72183.96334.12944.53394.65272.67262.26963.66512.06463.14072.6105
C43.71774.49543.96331.09611.09381.09232.49983.49482.75082.52402.83261.4983
H53.93174.60204.12941.09611.75241.77813.21124.14943.49232.84023.04952.1510
H64.06254.70554.53391.09381.75241.78653.21984.12093.53952.71802.57622.1312
H74.55825.41884.65271.09231.77811.78652.64143.72302.43543.46723.87942.1526
C82.86973.87092.67262.49983.21123.21982.64141.08541.08622.47933.52981.3344
H92.61653.56632.26963.49484.14944.12093.72301.08541.84652.72483.85632.1213
H103.94414.94853.66512.75083.49233.53952.43541.08621.84653.47814.44242.1136
C111.36722.02542.06462.52402.84022.71803.46722.47932.72483.47811.21691.5037
O122.26532.47093.14072.83263.04952.57623.87943.52983.85634.44241.21692.3780
C132.43713.34452.61051.49832.15102.13122.15261.33442.12132.11361.50372.3780

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.367 C1 H11 H13 116.103
C2 C1 C3 117.729 C2 C1 H11 116.275
C3 C1 H11 120.261 C4 H13 H8 123.787
C4 H13 H11 114.444 O5 C4 N6 106.298
O5 C4 H7 108.682 O5 C4 H13 111.062
N6 C4 H7 109.612 N6 C4 H13 109.620
H7 C4 H13 111.427 H8 H13 H11 121.640
H9 H8 H10 116.482 H9 H8 H13 122.150
H10 H8 H13 121.325 H12 H11 H13 121.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.581      
2 H 0.282      
3 H 0.279      
4 C -0.523      
5 H 0.156      
6 H 0.181      
7 H 0.140      
8 C -0.442      
9 H 0.139      
10 H 0.143      
11 C 0.394      
12 O -0.378      
13 C 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.241 2.848 1.466 3.212
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.692 -4.116 -2.377
y -4.116 -36.529 -0.056
z -2.377 -0.056 -36.280
Traceless
 xyz
x 5.713 -4.116 -2.377
y -4.116 -3.043 -0.056
z -2.377 -0.056 -2.670
Polar
3z2-r2-5.339
x2-y25.838
xy-4.116
xz-2.377
yz-0.056


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.772 0.344 -0.180
y 0.344 9.647 -0.210
z -0.180 -0.210 4.968


<r2> (average value of r2) Å2
<r2> 162.625
(<r2>)1/2 12.752