return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-286.609790
Energy at 298.15K-286.617703
Nuclear repulsion energy228.076697
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 B3LYPultrafine/6-31G*
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 3703 3548 25.92      
2 A 3581 3431 28.76      
3 A 3243 3107 12.72      
4 A 3166 3033 6.91      
5 A 3143 3011 13.34      
6 A 3113 2982 13.77      
7 A 3053 2925 16.71      
8 A 1787 1712 247.44      
9 A 1715 1643 30.68      
10 A 1642 1573 99.17      
11 A 1522 1458 15.41      
12 A 1501 1438 7.68      
13 A 1468 1407 11.90      
14 A 1437 1377 3.16      
15 A 1392 1334 87.79      
16 A 1246 1194 50.60      
17 A 1109 1063 4.87      
18 A 1085 1040 0.68      
19 A 1033 990 5.11      
20 A 962 922 7.05      
21 A 951 911 33.01      
22 A 824 789 17.72      
23 A 750 719 5.78      
24 A 680 651 15.88      
25 A 578 554 25.77      
26 A 563 539 11.06      
27 A 511 489 6.89      
28 A 405 388 180.70      
29 A 374 358 22.85      
30 A 326 312 4.23      
31 A 267 256 11.04      
32 A 165 158 0.21      
33 A 74 71 3.98      

Unscaled Zero Point Vibrational Energy (zpe) 23684.7 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 22690.0 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 B3LYPultrafine/6-31G*
ABC
0.17367 0.11205 0.07208

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.682 0.748 0.234
H2 -2.636 0.424 0.320
H3 -1.425 1.558 0.779
C4 1.679 -0.905 0.249
H5 1.525 -1.348 1.240
H6 1.525 -1.709 -0.477
H7 2.710 -0.548 0.182
C8 1.061 1.472 -0.257
H9 0.339 2.246 -0.501
H10 2.108 1.768 -0.267
C11 -0.746 -0.222 -0.039
O12 -1.066 -1.370 -0.325
C13 0.698 0.209 -0.005

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.01151.00943.74523.96184.10284.57982.87962.62123.95611.37562.27552.4520
H21.01151.72184.51514.61564.74365.43563.88653.58484.96522.02922.46933.3566
H31.00941.72183.99744.16734.57824.67902.69522.28613.69012.07363.14952.6350
C43.74524.51513.99741.09721.09471.09372.50743.50512.75542.53552.84181.5052
H53.96184.61564.16731.09721.75501.77943.22744.16703.51042.84013.02702.1588
H64.10284.74364.57821.09471.75501.78553.22304.12993.53202.75022.61752.1415
H74.57985.43564.67901.09371.77941.78552.64443.72772.43453.47893.89732.1580
C82.87963.88652.69522.50743.22743.22302.64441.08631.08712.48723.55041.3391
H92.62123.58482.28613.50514.16704.12993.72771.08631.84672.73593.88332.1278
H103.95614.96523.69012.75543.51043.53202.43451.08711.84673.48654.46272.1183
C111.37562.02922.07362.53552.84012.75023.47892.48722.73593.48651.22481.5073
O122.27552.46933.14952.84183.02702.61753.89733.55043.88334.46271.22482.3879
C132.45203.35662.63501.50522.15882.14152.15801.33912.12782.11831.50732.3879

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 121.996 C1 H11 H13 116.470
C2 C1 C3 116.864 C2 C1 H11 115.595
C3 C1 H11 120.009 C4 H13 H8 123.563
C4 H13 H11 114.636 O5 C4 N6 106.390
O5 C4 H7 108.623 O5 C4 H13 111.142
N6 C4 H7 109.353 N6 C4 H13 109.909
H7 C4 H13 111.287 H8 H13 H11 121.701
H9 H8 H10 116.360 H9 H8 H13 122.297
H10 H8 H13 121.298 H12 H11 H13 121.515
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.747      
2 H 0.339      
3 H 0.332      
4 C -0.503      
5 H 0.163      
6 H 0.189      
7 H 0.146      
8 C -0.392      
9 H 0.148      
10 H 0.149      
11 C 0.534      
12 O -0.498      
13 C 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.289 2.894 1.558 3.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.091 -4.044 -2.581
y -4.044 -37.033 0.144
z -2.581 0.144 -36.540
Traceless
 xyz
x 5.696 -4.044 -2.581
y -4.044 -3.217 0.144
z -2.581 0.144 -2.478
Polar
3z2-r2-4.957
x2-y25.942
xy-4.044
xz-2.581
yz0.144


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.346 0.415 -0.174
y 0.415 9.454 -0.159
z -0.174 -0.159 4.320


<r2> (average value of r2) Å2
<r2> 164.200
(<r2>)1/2 12.814