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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-287.735221
Energy at 298.15K-287.745392
Nuclear repulsion energy247.597940
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*
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 3749 3587 32.45      
2 A 3616 3459 33.25      
3 A 3156 3019 28.40      
4 A 3152 3016 2.93      
5 A 3135 2999 38.61      
6 A 3133 2997 18.32      
7 A 3063 2930 14.91      
8 A 3059 2927 34.45      
9 A 3040 2908 37.66      
10 A 1818 1740 258.73      
11 A 1644 1573 119.79      
12 A 1541 1474 16.07      
13 A 1525 1459 11.15      
14 A 1517 1451 1.81      
15 A 1510 1445 0.68      
16 A 1440 1377 51.08      
17 A 1426 1364 22.68      
18 A 1414 1353 4.95      
19 A 1347 1289 1.51      
20 A 1297 1241 95.02      
21 A 1208 1156 3.48      
22 A 1144 1094 5.80      
23 A 1138 1088 0.02      
24 A 1068 1022 6.71      
25 A 986 944 0.26      
26 A 940 899 2.75      
27 A 931 890 3.69      
28 A 779 746 7.27      
29 A 764 731 3.84      
30 A 616 589 5.81      
31 A 603 577 15.01      
32 A 476 455 3.04      
33 A 326 312 0.96      
34 A 290 278 4.82      
35 A 244 234 5.84      
36 A 242 232 0.44      
37 A 217 208 1.31      
38 A 127 121 228.65      
39 A 28 27 8.49      

Unscaled Zero Point Vibrational Energy (zpe) 28854.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 27605.2 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 B3PW91/6-31G*
ABC
0.16394 0.08726 0.08449

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.353 1.265 -0.023
H2 0.853 2.172 -0.381
H3 1.389 1.306 1.070
H4 2.380 1.268 -0.408
C5 1.354 -1.265 -0.023
H6 0.853 -2.172 -0.380
H7 1.389 -1.306 1.070
C8 0.614 -0.000 -0.471
H9 0.542 -0.000 -1.568
N10 -1.820 -0.000 -0.757
H11 -2.765 -0.000 -0.401
H12 -1.677 -0.001 -1.754
C13 -0.789 -0.000 0.136
O14 -0.974 0.000 1.344
H15 2.380 -1.268 -0.407

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.09601.09451.09582.52963.49142.79371.53202.15563.49424.32493.71222.49332.98102.7597
H21.09601.77221.77463.49144.34413.80612.18702.49533.46474.21983.60652.77153.32073.7637
H31.09451.77221.77932.79373.80612.61172.16363.06343.91684.59634.36822.70612.71393.1287
H41.09581.77461.77932.75973.76373.12872.17442.51674.40085.29864.45863.45623.99042.5359
C52.52963.49142.79372.75971.09601.09451.53202.15563.49434.32493.71222.49332.98121.0958
H63.49144.34413.80613.76371.09601.77222.18702.49543.46494.22003.60642.77153.32101.7746
H72.79373.80612.61173.12871.09451.77222.16363.06343.91694.59634.36822.70612.71411.7793
C81.53202.18702.16362.17441.53202.18702.16361.09952.45113.38012.62611.52932.41202.1744
H92.15562.49533.06342.51672.15562.49543.06341.09952.49723.50662.22662.16243.28302.5167
N103.49423.46473.91684.40083.49433.46493.91692.45112.49721.00961.00701.36372.26444.4009
H114.32494.21984.59635.29864.32494.22004.59633.38013.50661.00961.73572.04742.50015.2986
H123.71223.60654.36824.45863.71223.60644.36822.62612.22661.00701.73572.08783.17614.4585
C132.49332.77152.70613.45622.49332.77152.70611.52932.16241.36372.04742.08781.22193.4562
O142.98103.32072.71393.99042.98123.32102.71412.41203.28302.26442.50013.17611.22193.9905
H152.75973.76373.12872.53591.09581.77461.77932.17442.51674.40095.29864.45853.45623.9905

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 111.301 C1 C8 H9 108.892
C1 C8 C13 109.070 H2 C1 H3 108.006
H2 C1 H4 108.125 H2 C1 C8 111.579
H3 C1 H4 108.653 H3 C1 C8 109.804
H4 C1 C8 110.584 C5 C8 H9 108.893
C5 C8 C13 109.069 H6 C5 H7 108.006
H6 C5 C8 111.580 H6 C5 H15 108.125
H7 C5 C8 109.804 H7 C5 H15 108.653
C8 C5 H15 110.583 C8 C13 N10 115.713
C8 C13 O14 122.103 H9 C8 C13 109.599
N10 C13 O14 122.184 H11 N10 H12 118.785
H11 N10 C13 118.473 H12 N10 C13 122.742
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.507      
2 H 0.169      
3 H 0.197      
4 H 0.167      
5 C -0.507      
6 H 0.169      
7 H 0.198      
8 C -0.216      
9 H 0.144      
10 N -0.794      
11 H 0.359      
12 H 0.353      
13 H 0.166      
14 C 0.621      
15 O -0.520      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.315 -0.002 -3.552 3.566
CHELPG        
AIM        
ESP -0.286 0.148 -3.559 3.573


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.977 0.003 4.755
y 0.003 -37.663 0.001
z 4.755 0.001 -38.331
Traceless
 xyz
x 6.020 0.003 4.755
y 0.003 -2.509 0.001
z 4.755 0.001 -3.511
Polar
3z2-r2-7.022
x2-y25.686
xy0.003
xz4.755
yz0.001


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> 172.424
(<r2>)1/2 13.131