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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-287.515008
Energy at 298.15K 
HF Energy-287.230116
Nuclear repulsion energy247.490431
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 B2PLYP/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 3756 3565 34.36      
2 A 3621 3437 40.11      
3 A 3177 3016 28.97      
4 A 3173 3012 3.06      
5 A 3155 2995 40.43      
6 A 3153 2992 18.38      
7 A 3085 2928 13.55      
8 A 3082 2925 32.09      
9 A 3062 2906 35.82      
10 A 1797 1705 243.61      
11 A 1655 1571 107.71      
12 A 1564 1485 12.51      
13 A 1551 1472 9.90      
14 A 1543 1465 1.50      
15 A 1536 1458 0.53      
16 A 1461 1387 27.49      
17 A 1445 1371 35.71      
18 A 1439 1366 3.45      
19 A 1371 1301 1.85      
20 A 1310 1243 106.61      
21 A 1227 1165 4.16      
22 A 1155 1096 6.11      
23 A 1149 1091 0.02      
24 A 1077 1022 5.49      
25 A 998 948 0.22      
26 A 954 906 2.04      
27 A 937 890 2.79      
28 A 778 738 6.40      
29 A 770 731 3.05      
30 A 619 587 5.99      
31 A 607 576 14.78      
32 A 480 456 3.57      
33 A 330 313 0.87      
34 A 295 280 5.02      
35 A 250 237 5.52      
36 A 247 235 0.04      
37 A 220 208 0.24      
38 A 30 29 11.71      
39 A 103i 98i 230.59      

Unscaled Zero Point Vibrational Energy (zpe) 28977.1 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 27505.1 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 B2PLYP/6-31G*
ABC
0.16360 0.08721 0.08451

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.353 -1.265 -0.025
H2 -0.840 -2.170 -0.365
H3 -1.408 -1.295 1.066
H4 -2.370 -1.277 -0.428
C5 -1.353 1.265 -0.025
H6 -0.840 2.170 -0.365
H7 -1.408 1.295 1.066
C8 -0.613 0.000 -0.473
H9 -0.543 0.000 -1.568
N10 1.822 0.000 -0.760
H11 2.767 0.000 -0.404
H12 1.679 0.000 -1.757
C13 0.790 -0.000 0.139
O14 0.969 -0.000 1.350
H15 -2.370 1.277 -0.428

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.09421.09241.09412.53073.48972.78371.53332.15433.49654.32723.71462.49462.98092.7677
H21.09421.77071.77263.48974.33923.79152.18412.49853.45694.20973.60422.76043.30513.7715
H31.09241.77071.77772.78373.79152.59042.16283.06023.92974.61174.37882.71412.72163.1267
H41.09411.77261.77772.76773.77153.12662.17312.50414.39505.29384.44903.45563.99312.5540
C52.53073.48972.78372.76771.09421.09241.53332.15433.49654.32713.71452.49462.98081.0941
H63.48974.33923.79153.77151.09421.77072.18422.49853.45684.20953.60412.76033.30501.7726
H72.78373.79152.59043.12661.09241.77072.16283.06023.92964.61164.37882.71412.72161.7777
C81.53332.18412.16282.17311.53332.18422.16281.09762.45143.38032.62681.53042.41352.1731
H92.15432.49853.06022.50412.15432.49853.06021.09762.49893.50832.22962.16603.28652.5041
N103.49653.45693.92974.39503.49653.45683.92962.45142.49891.00981.00711.36872.27584.3950
H114.32724.20974.61175.29384.32714.20954.61163.38033.50831.00981.73582.05032.51205.2937
H123.71463.60424.37884.44903.71453.60414.37882.62682.22961.00711.73582.09423.18694.4489
C132.49462.76042.71413.45562.49462.76032.71411.53042.16601.36872.05032.09421.22393.4556
O142.98093.30512.72163.99312.98083.30502.72162.41353.28652.27582.51203.18691.22393.9931
H152.76773.77153.12672.55401.09411.77261.77772.17312.50414.39505.29374.44893.45563.9931

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 111.228 C1 C8 H9 108.817
C1 C8 C13 109.025 H2 C1 H3 108.150
H2 C1 H4 108.200 H2 C1 C8 111.363
H3 C1 H4 108.784 H3 C1 C8 109.778
H4 C1 C8 110.492 C5 C8 H9 108.816
C5 C8 C13 109.024 H6 C5 H7 108.150
H6 C5 C8 111.363 H6 C5 H15 108.200
H7 C5 C8 109.777 H7 C5 H15 108.784
C8 C5 H15 110.492 C8 C13 N10 115.352
C8 C13 O14 121.989 H9 C8 C13 109.921
N10 C13 O14 122.659 H11 N10 H12 118.781
H11 N10 C13 118.309 H12 N10 C13 122.910
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.463      
2 H 0.155      
3 H 0.186      
4 H 0.153      
5 C -0.463      
6 H 0.155      
7 H 0.186      
8 C -0.197      
9 H 0.133      
10 N -0.827      
11 H 0.365      
12 H 0.359      
13 C 0.675      
14 O -0.568      
15 H 0.153      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.305 0.000 -0.315
y 0.000 6.300 0.000
z -0.315 0.000 7.638


<r2> (average value of r2) Å2
<r2> 172.782
(<r2>)1/2 13.145