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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-286.266999
Energy at 298.15K-286.277716
Nuclear repulsion energy246.810594
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 B3LYP/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 3656 3528 21.96      
2 A 3526 3402 22.12      
3 A 3146 3035 14.99      
4 A 3124 3014 17.75      
5 A 3122 3012 31.86      
6 A 3117 3008 23.06      
7 A 3063 2956 16.38      
8 A 3057 2950 19.80      
9 A 3051 2944 22.30      
10 A 1748 1686 187.25      
11 A 1671 1612 76.13      
12 A 1578 1523 15.85      
13 A 1566 1511 10.20      
14 A 1556 1501 4.21      
15 A 1549 1495 2.73      
16 A 1466 1415 24.42      
17 A 1448 1398 9.31      
18 A 1399 1350 26.42      
19 A 1356 1309 21.48      
20 A 1301 1255 115.53      
21 A 1223 1180 3.77      
22 A 1151 1111 7.63      
23 A 1133 1093 7.11      
24 A 1085 1047 4.47      
25 A 996 961 0.61      
26 A 975 941 4.54      
27 A 904 873 4.67      
28 A 790 762 29.13      
29 A 742 716 9.32      
30 A 615 594 17.42      
31 A 601 580 67.03      
32 A 488 471 104.85      
33 A 478 462 94.75      
34 A 352 339 0.83      
35 A 306 296 8.09      
36 A 249 240 4.49      
37 A 239 231 0.29      
38 A 201 194 0.54      
39 A 44 42 6.05      

Unscaled Zero Point Vibrational Energy (zpe) 29035.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 28016.3 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 B3LYP/3-21G
ABC
0.15977 0.09837 0.07622

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.575 -0.967 -0.418
H2 -1.325 -1.665 -1.224
H3 -1.459 -1.497 0.532
H4 -2.614 -0.645 -0.540
C5 -1.098 1.317 0.592
H6 -0.407 2.167 0.618
H7 -1.143 0.876 1.594
C8 -0.624 0.240 -0.420
H9 -0.572 0.686 -1.421
N10 1.791 0.587 -0.440
H11 2.743 0.378 -0.159
H12 1.624 1.373 -1.055
C13 0.780 -0.222 0.006
O14 0.976 -1.209 0.731
H15 -2.095 1.680 0.323

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.09521.09331.09472.54253.50112.76261.53702.17843.70774.52994.01422.50562.80762.7978
H21.09521.76901.77993.49874.34933.79892.18332.47613.92374.67494.23692.83273.05353.7648
H31.09331.76901.79092.83773.81302.61942.14993.06053.98214.65354.50132.62982.46043.2470
H41.09471.77991.79092.72583.75743.00562.18152.59184.57535.46704.72173.46313.84952.5339
C52.54253.49872.83772.72581.09551.09531.55202.17443.15404.02503.18182.49753.27081.0952
H63.50114.34933.81303.75741.09551.77752.19912.52532.90703.70542.74842.73683.64971.7814
H72.76263.79892.61943.00561.09531.77752.17493.07453.58234.29223.86232.72473.09531.7806
C81.53702.18332.14992.18151.55202.19912.17491.09702.43993.37962.59571.53762.44582.1887
H92.17842.47613.06052.59182.17442.52533.07451.09702.56043.56022.32952.16493.25802.5197
N103.70773.92373.98214.57533.15402.90703.58232.43992.56041.01421.01181.37022.29384.1089
H114.52994.67494.65355.46704.02503.70544.29223.37963.56021.01421.74522.05972.53625.0337
H124.01424.23694.50134.72173.18182.74843.86232.59572.32951.01181.74522.09343.20543.9777
C132.50562.83272.62983.46312.49752.73682.72471.53762.16491.37022.05972.09341.23993.4618
O142.80763.05352.46043.84953.27083.64973.09532.44583.25802.29382.53623.20541.23994.2361
H152.79783.76483.24702.53391.09521.78141.78062.18872.51974.10895.03373.97773.46184.2361

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 110.787 C1 C8 H9 110.478
C1 C8 C13 109.162 H2 C1 H3 107.870
H2 C1 H4 108.743 H2 C1 C8 110.977
H3 C1 H4 109.874 H3 C1 C8 108.466
H4 C1 C8 110.860 C5 C8 H9 109.125
C5 C8 C13 107.866 H6 C5 H7 108.450
H6 C5 C8 111.158 H6 C5 H15 108.813
H7 C5 C8 109.262 H7 C5 H15 108.752
C8 C5 H15 110.350 C8 C13 N10 113.966
C8 C13 O14 123.059 H9 C8 C13 109.372
N10 C13 O14 122.921 H11 N10 H12 118.954
H11 N10 C13 118.740 H12 N10 C13 122.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.519     -0.484
2 H 0.191     0.113
3 H 0.216     0.133
4 H 0.177     0.137
5 C -0.521     -0.375
6 H 0.181     0.089
7 H 0.207     0.119
8 C -0.358     0.137
9 H 0.184     0.015
10 N -0.756     -0.954
11 H 0.315     0.420
12 H 0.310     0.394
13 C 0.689     0.657
14 O -0.510     -0.506
15 H 0.193     0.104


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.435 2.980 -1.882 3.551
CHELPG        
AIM        
ESP 0.439 2.976 -1.873 3.544


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.615 3.843 -2.442
y 3.843 -38.991 0.406
z -2.442 0.406 -37.751
Traceless
 xyz
x 5.756 3.843 -2.442
y 3.843 -3.808 0.406
z -2.442 0.406 -1.948
Polar
3z2-r2-3.896
x2-y26.376
xy3.843
xz-2.442
yz0.406


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.702 0.318 -0.035
y 0.318 7.082 -0.730
z -0.035 -0.730 5.829


<r2> (average value of r2) Å2
<r2> 173.080
(<r2>)1/2 13.156