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

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-287.872896
Energy at 298.15K-287.883223
Nuclear repulsion energy246.701768
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/6-31+G**
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 3740 3606 39.22      
2 A 3596 3468 34.86      
3 A 3131 3019 31.28      
4 A 3127 3015 2.83      
5 A 3110 2998 43.10      
6 A 3107 2996 17.35      
7 A 3043 2934 17.20      
8 A 3040 2931 37.79      
9 A 3023 2914 37.36      
10 A 1763 1700 323.21      
11 A 1623 1565 114.51      
12 A 1520 1465 16.47      
13 A 1506 1452 11.21      
14 A 1497 1444 2.37      
15 A 1491 1438 1.64      
16 A 1425 1374 35.93      
17 A 1408 1357 31.08      
18 A 1401 1351 4.51      
19 A 1335 1287 1.61      
20 A 1280 1234 120.61      
21 A 1196 1153 5.18      
22 A 1133 1093 5.87      
23 A 1119 1079 0.58      
24 A 1059 1021 7.76      
25 A 974 939 0.14      
26 A 937 904 1.66      
27 A 915 882 2.58      
28 A 768 741 3.68      
29 A 755 728 2.71      
30 A 615 593 5.59      
31 A 593 572 13.15      
32 A 476 459 2.82      
33 A 327 315 1.03      
34 A 288 277 4.94      
35 A 245 236 50.90      
36 A 240 231 4.79      
37 A 228 220 120.38      
38 A 213 205 34.00      
39 A 34 33 7.30      

Unscaled Zero Point Vibrational Energy (zpe) 28638.9 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 27613.6 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 B3LYP/6-31+G**
ABC
0.16293 0.08641 0.08353

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.363 -1.271 -0.024
H2 -0.853 -2.177 -0.367
H3 -1.427 -1.311 1.068
H4 -2.379 -1.276 -0.434
C5 -1.363 1.272 -0.019
H6 -0.852 2.179 -0.359
H7 -1.427 1.307 1.072
C8 -0.617 0.001 -0.464
H9 -0.542 0.003 -1.560
N10 1.825 0.002 -0.764
H11 2.772 0.001 -0.411
H12 1.676 0.004 -1.760
C13 0.793 -0.000 0.135
O14 0.992 -0.003 1.345
H15 -2.378 1.279 -0.430

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.09531.09391.09522.54263.50362.80241.53862.15793.51204.34333.72492.50793.00462.7740
H21.09531.77191.77343.50364.35593.81372.19282.50423.47514.22873.61802.77483.32583.7779
H31.09391.77191.77782.80253.81372.61822.17273.06793.95684.64094.39912.74202.76413.1384
H41.09521.77341.77782.77393.77793.13822.17562.50544.40615.30624.45363.46574.01822.5545
C52.54263.50362.80252.77391.09531.09391.53872.15803.51144.34283.72412.50793.00511.0952
H63.50364.35593.81373.77791.09531.77192.19292.50423.47404.22773.61652.77463.32641.7734
H72.80243.81372.61823.13821.09391.77192.17273.06793.95634.64054.39842.74212.76471.7778
C81.53862.19282.17272.17561.53872.19292.17271.09872.46113.38942.63421.53222.42102.1756
H92.15792.50423.06792.50542.15802.50423.06791.09872.49723.50682.22642.15693.28472.5054
N103.51203.47513.95684.40613.51143.47403.95632.46112.49721.01001.00721.36822.26744.4056
H114.34334.22874.64095.30624.34284.22774.64053.38943.50681.01001.73802.05222.50005.3058
H123.72493.61804.39914.45363.72413.61654.39842.63422.22641.00721.73802.08983.17924.4528
C132.50792.77482.74203.46572.50792.77462.74211.53222.15691.36822.05222.08981.22663.4657
O143.00463.32582.76414.01823.00513.32642.76472.42103.28472.26742.50003.17921.22664.0186
H152.77403.77793.13842.55451.09521.77341.77782.17562.50544.40565.30584.45283.46574.0186

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 111.432 C1 C8 H9 108.665
C1 C8 C13 109.510 H2 C1 H3 108.072
H2 C1 H4 108.111 H2 C1 C8 111.613
H3 C1 H4 108.610 H3 C1 C8 110.098
H4 C1 C8 110.248 C5 C8 H9 108.665
C5 C8 C13 109.506 H6 C5 H7 108.073
H6 C5 C8 111.613 H6 C5 H15 108.112
H7 C5 C8 110.098 H7 C5 H15 108.610
C8 C5 H15 110.248 C8 C13 N10 115.987
C8 C13 O14 122.301 H9 C8 C13 109.021
N10 C13 O14 121.713 H11 N10 H12 118.989
H11 N10 C13 118.509 H12 N10 C13 122.502
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.570     -0.359
2 H 0.147     0.077
3 H 0.177     0.106
4 H 0.144     0.100
5 C -0.570     -0.359
6 H 0.147     0.077
7 H 0.177     0.106
8 C 0.192     0.158
9 H 0.104     0.001
10 N -0.544     -1.076
11 H 0.316     0.455
12 H 0.291     0.418
13 C 0.364     0.807
14 O -0.520     -0.610
15 H 0.144     0.100


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.032 0.009 -3.808 3.808
CHELPG        
AIM        
ESP 0.035 0.009 -3.781 3.781


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.590 0.012 -5.025
y 0.012 -39.038 0.003
z -5.025 0.003 -40.203
Traceless
 xyz
x 6.030 0.012 -5.025
y 0.012 -2.141 0.003
z -5.025 0.003 -3.888
Polar
3z2-r2-7.777
x2-y25.447
xy0.012
xz-5.025
yz0.003


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.706 0.005 -0.354
y 0.005 7.939 0.003
z -0.354 0.003 8.861


<r2> (average value of r2) Å2
<r2> 174.815
(<r2>)1/2 13.222