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

using model chemistry: B3PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-287.846063
Energy at 298.15K-287.856348
Nuclear repulsion energy248.372554
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/cc-pVTZ
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 3605 34.66      
2 A 3608 3469 32.86      
3 A 3126 3006 27.64      
4 A 3122 3003 2.42      
5 A 3109 2989 37.31      
6 A 3107 2987 15.81      
7 A 3040 2924 15.55      
8 A 3037 2921 33.78      
9 A 3025 2909 31.90      
10 A 1783 1714 277.52      
11 A 1611 1549 117.88      
12 A 1509 1451 16.96      
13 A 1493 1436 10.95      
14 A 1485 1428 1.80      
15 A 1479 1422 1.09      
16 A 1417 1363 63.34      
17 A 1400 1346 12.70      
18 A 1388 1334 5.03      
19 A 1330 1279 1.00      
20 A 1280 1231 91.14      
21 A 1195 1149 4.00      
22 A 1131 1087 5.73      
23 A 1126 1083 0.36      
24 A 1057 1016 6.24      
25 A 977 939 0.20      
26 A 931 895 1.94      
27 A 922 886 2.98      
28 A 779 749 3.80      
29 A 757 728 3.83      
30 A 614 591 5.93      
31 A 597 574 10.09      
32 A 473 455 2.81      
33 A 322 310 1.07      
34 A 285 274 5.40      
35 A 241 232 1.56      
36 A 239 230 4.54      
37 A 215 206 5.84      
38 A 191 184 163.76      
39 A 26 25 7.28      

Unscaled Zero Point Vibrational Energy (zpe) 28587.4 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 27489.6 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/cc-pVTZ
ABC
0.16502 0.08774 0.08486

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.351 1.262 -0.021
H2 0.849 2.166 -0.372
H3 1.396 1.302 1.068
H4 2.370 1.266 -0.412
C5 1.351 -1.262 -0.024
H6 0.850 -2.166 -0.376
H7 1.396 -1.304 1.065
C8 0.613 0.000 -0.466
H9 0.537 0.002 -1.558
N10 -1.814 0.001 -0.756
H11 -2.756 0.000 -0.405
H12 -1.660 0.002 -1.747
C13 -0.788 -0.000 0.136
O14 -0.977 -0.002 1.337
H15 2.370 -1.265 -0.414

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.09171.09051.09162.52443.48252.78721.52772.14823.48504.31323.69232.48872.97662.7533
H21.09171.76581.76763.48254.33213.79582.18092.48843.45384.20593.58812.76303.31013.7535
H31.09051.76581.77192.78703.79572.60602.15833.05363.91414.59334.35332.70812.72063.1200
H41.09161.76761.77192.75343.75363.12042.16592.50494.38445.27984.42993.44653.98352.5310
C52.52443.48252.78702.75341.09171.09051.52772.14833.48544.31353.69262.48882.97641.0916
H63.48254.33213.79573.75361.09171.76582.18092.48843.45464.20663.58862.76323.31001.7676
H72.78723.79582.60603.12041.09051.76582.15833.05373.91434.59344.35342.70802.72021.7720
C81.52772.18092.15832.16591.52772.18092.15831.09512.44433.36962.60961.52512.40392.1659
H92.14822.48843.05362.50492.14832.48843.05371.09512.48353.48852.20512.15063.26702.5050
N103.48503.45383.91414.38443.48543.45463.91432.44432.48351.00531.00231.35922.25434.3848
H114.31324.20594.59335.27984.31354.20664.59343.36963.48851.00531.73192.04072.48995.2801
H123.69233.58814.35334.42993.69263.58864.35342.60962.20511.00231.73192.07483.15854.4303
C132.48872.76302.70813.44652.48882.76322.70801.52512.15061.35922.04072.07481.21593.4465
O142.97663.31012.72063.98352.97643.31002.72022.40393.26702.25432.48993.15851.21593.9833
H152.75333.75353.12002.53101.09161.76761.77202.16592.50504.38485.28014.43033.44653.9833

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 111.419 C1 C8 H9 108.861
C1 C8 C13 109.216 H2 C1 H3 108.033
H2 C1 H4 108.113 H2 C1 C8 111.645
H3 C1 H4 108.588 H3 C1 C8 109.915
H4 C1 C8 110.456 C5 C8 H9 108.866
C5 C8 C13 109.219 H6 C5 H7 108.034
H6 C5 C8 111.644 H6 C5 H15 108.112
H7 C5 C8 109.914 H7 C5 H15 108.591
C8 C5 H15 110.455 C8 C13 N10 115.745
C8 C13 O14 122.168 H9 C8 C13 109.230
N10 C13 O14 122.088 H11 N10 H12 119.236
H11 N10 C13 118.547 H12 N10 C13 122.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.264      
2 H 0.088      
3 H 0.110      
4 H 0.087      
5 C -0.264      
6 H 0.088      
7 H 0.110      
8 C -0.107      
9 H 0.081      
10 N -0.223      
11 H 0.156      
12 H 0.158      
13 C 0.244      
14 O -0.353      
15 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.243 0.004 -3.622 3.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.710 -0.005 4.744
y -0.005 -38.161 0.003
z 4.744 0.003 -39.019
Traceless
 xyz
x 5.880 -0.005 4.744
y -0.005 -2.296 0.003
z 4.744 0.003 -3.584
Polar
3z2-r2-7.167
x2-y25.451
xy-0.005
xz4.744
yz0.003


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> 171.999
(<r2>)1/2 13.115