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All results from a given calculation for C4H9NO (Propanamide, 2-methyl-)

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-284.754536
Energy at 298.15K-284.765232
Nuclear repulsion energy249.037980
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 LSDA/3-21G*
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 3578 3514 26.80      
2 A 3443 3381 23.03      
3 A 3083 3027 9.71      
4 A 3071 3016 12.34      
5 A 3069 3013 10.25      
6 A 3063 3008 15.15      
7 A 2988 2934 18.16      
8 A 2987 2933 13.97      
9 A 2978 2925 14.44      
10 A 1755 1724 155.95      
11 A 1598 1569 117.01      
12 A 1514 1487 27.29      
13 A 1497 1470 11.37      
14 A 1484 1458 10.58      
15 A 1472 1445 3.75      
16 A 1398 1373 70.30      
17 A 1381 1356 22.76      
18 A 1365 1340 55.35      
19 A 1309 1286 17.21      
20 A 1274 1251 23.43      
21 A 1190 1168 2.08      
22 A 1139 1118 0.35      
23 A 1106 1086 10.02      
24 A 1062 1043 12.05      
25 A 985 968 0.49      
26 A 944 927 7.44      
27 A 920 903 6.62      
28 A 786 772 36.90      
29 A 753 740 10.23      
30 A 614 602 55.81      
31 A 605 594 49.52      
32 A 515 506 156.52      
33 A 475 467 6.65      
34 A 349 343 1.77      
35 A 312 307 9.47      
36 A 253 249 5.18      
37 A 238 234 0.05      
38 A 195 191 1.57      
39 A 51 50 6.39      

Unscaled Zero Point Vibrational Energy (zpe) 28398.7 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 27887.5 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 LSDA/3-21G*
ABC
0.16208 0.10229 0.07800

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.568 -0.928 -0.398
H2 -1.425 -1.587 -1.272
H3 -1.312 -1.513 0.505
H4 -2.620 -0.601 -0.363
C5 -1.044 1.310 0.590
H6 -0.322 2.146 0.631
H7 -1.084 0.839 1.590
C8 -0.619 0.253 -0.432
H9 -0.566 0.708 -1.441
N10 1.771 0.581 -0.411
H11 2.726 0.363 -0.114
H12 1.602 1.394 -1.006
C13 0.762 -0.233 -0.011
O14 0.933 -1.243 0.688
H15 -2.045 1.708 0.348

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.10381.10601.10302.50243.47292.70321.51562.18333.66384.49233.97552.46132.74412.7807
H21.10381.78201.79713.46554.33323.76712.17802.45653.95694.73004.25642.86433.08513.7237
H31.10601.78201.81582.83723.79252.59982.11593.04533.83734.49484.38402.49072.26783.3070
H41.10301.79711.81582.65433.71662.87102.17722.66374.54775.43784.71343.41983.76022.4829
C52.50243.46552.83722.65431.10491.10571.53062.17183.07503.94983.09102.44983.23021.1042
H63.47294.33323.79253.71661.10491.79132.19102.53392.81353.60882.63602.69183.61431.7999
H72.70323.76712.59982.87101.10571.79132.15553.07733.49574.20063.77642.66803.03551.7947
C81.51562.17802.11592.17721.53062.19102.15551.10782.41213.36132.56141.52242.42882.1811
H92.18332.45653.04532.66372.17182.53393.07731.10782.55693.56552.31452.16553.25302.5270
N103.66383.95693.83734.54773.07502.81353.49572.41212.55691.02321.02181.35662.28834.0503
H114.49234.73004.49485.43783.94983.60884.20063.36133.56551.02321.76682.05522.53744.9778
H123.97554.25644.38404.71343.09102.63603.77642.56142.31451.02181.76682.08353.20473.9024
C132.46132.86432.49073.41982.44982.69182.66801.52242.16551.35662.05522.08351.24063.4308
O142.74413.08512.26783.76023.23023.61433.03552.42883.25302.28832.53743.20471.24064.2058
H152.78073.72373.30702.48291.10421.79991.79472.18112.52704.05034.97783.90243.43084.2058

picture of Propanamide, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C8 C5 110.465 C1 C8 H9 111.710
C1 C8 C13 108.221 H2 C1 H3 107.494
H2 C1 H4 109.048 H2 C1 C8 111.533
H3 C1 H4 110.573 H3 C1 C8 106.580
H4 C1 C8 111.522 C5 C8 H9 109.761
C5 C8 C13 106.719 H6 C5 H7 108.252
H6 C5 C8 111.453 H6 C5 H15 109.130
H7 C5 C8 108.621 H7 C5 H15 108.602
C8 C5 H15 110.706 C8 C13 N10 113.696
C8 C13 O14 122.729 H9 C8 C13 109.827
N10 C13 O14 123.481 H11 N10 H12 119.525
H11 N10 C13 118.780 H12 N10 C13 121.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.596      
2 H 0.215      
3 H 0.236      
4 H 0.198      
5 C -0.590      
6 H 0.201      
7 H 0.230      
8 C -0.387      
9 H 0.203      
10 N -0.736      
11 H 0.327      
12 H 0.322      
13 C 0.606      
14 O -0.448      
15 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.807 3.055 -1.721 3.598
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.053 3.800 -2.179
y 3.800 -38.850 0.203
z -2.179 0.203 -37.640
Traceless
 xyz
x 6.192 3.800 -2.179
y 3.800 -4.003 0.203
z -2.179 0.203 -2.189
Polar
3z2-r2-4.378
x2-y26.797
xy3.800
xz-2.179
yz0.203


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.005 0.412 -0.038
y 0.412 7.268 -0.688
z -0.038 -0.688 5.876


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000