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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-287.500789
Energy at 298.15K-287.510938
Nuclear repulsion energy237.538877
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 PBEPBE/6-31G(2df,p)
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 3655 3617 23.46      
2 A 3515 3479 19.55      
3 A 3053 3022 30.04      
4 A 3048 3017 43.98      
5 A 3025 2994 0.48      
6 A 2994 2963 16.47      
7 A 2981 2950 25.48      
8 A 2968 2937 24.69      
9 A 2949 2919 12.28      
10 A 1748 1730 223.60      
11 A 1560 1544 97.53      
12 A 1459 1444 4.47      
13 A 1450 1435 5.97      
14 A 1441 1426 2.49      
15 A 1411 1397 5.39      
16 A 1362 1348 4.25      
17 A 1357 1343 71.60      
18 A 1315 1301 18.89      
19 A 1274 1261 33.93      
20 A 1220 1207 30.46      
21 A 1205 1192 4.24      
22 A 1103 1092 1.01      
23 A 1075 1064 1.77      
24 A 1050 1040 0.72      
25 A 1028 1017 2.12      
26 A 908 899 2.15      
27 A 855 847 0.75      
28 A 819 811 4.63      
29 A 727 719 5.30      
30 A 650 643 3.42      
31 A 598 592 13.74      
32 A 502 497 4.51      
33 A 410 406 1.69      
34 A 333 329 2.33      
35 A 243 240 0.38      
36 A 189 187 167.95      
37 A 180 178 10.52      
38 A 89 88 1.31      
39 A 47 46 3.94      

Unscaled Zero Point Vibrational Energy (zpe) 27896.0 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 27608.7 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 PBEPBE/6-31G(2df,p)
ABC
0.28530 0.06063 0.05225

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.739 -0.188 0.053
H2 -2.869 -0.314 1.142
H3 -3.531 0.491 -0.302
H4 -2.911 -1.173 -0.415
C5 -1.349 0.360 -0.280
H6 -1.254 0.515 -1.369
H7 -1.196 1.351 0.178
C8 -0.216 -0.554 0.197
H9 -0.237 -1.525 -0.329
H10 -0.354 -0.785 1.272
N11 2.199 -0.763 -0.151
H12 3.142 -0.389 -0.126
H13 2.077 -1.767 -0.090
C14 1.159 0.109 0.055
O15 1.326 1.322 0.118

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10361.10171.10371.53052.17272.18322.55382.86262.74374.97585.88705.06983.90884.3371
H21.10361.77971.77832.18733.09812.54952.82703.24982.56205.25006.14395.30014.19334.6178
H31.10171.77971.77902.18582.51492.53463.51183.86223.76745.86796.73296.04884.71864.9457
H41.10371.77831.77902.19252.55023.10872.83262.69863.08745.13356.11035.03354.29244.9460
C51.53052.18732.18582.19251.10451.10241.53232.18962.16963.72434.55574.03682.54242.8709
H62.17273.09812.51492.55021.10451.76002.16212.50553.07783.87874.65694.23512.83083.0860
H72.18322.54952.53463.10871.10241.76002.14233.07412.54274.01304.68334.52772.66472.5228
C82.55382.82703.51182.83261.53232.16212.14231.10531.10772.44883.37702.60921.53232.4294
H92.86263.24983.86222.69862.18962.50553.07411.10531.76812.55893.57072.33862.18303.2789
H102.74372.56203.76743.08742.16963.07782.54271.10771.76812.92313.78612.95432.13752.9314
N114.97585.25005.86795.13353.72433.87874.01302.44882.55892.92311.01461.01261.37332.2766
H125.88706.14396.73296.11034.55574.65694.68333.37703.57073.78611.01461.74192.05282.5066
H135.06985.30016.04885.03354.03684.23514.52772.60922.33862.95431.01261.74192.09313.1853
C143.90884.19334.71864.29242.54242.83082.66471.53232.18302.13751.37332.05282.09311.2263
O154.33714.61784.94574.94602.87093.08602.52282.42943.27892.93142.27662.50663.18531.2263

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.036 C1 C5 H7 110.988
C1 C5 C8 112.990 H2 C1 H3 107.604
H2 C1 H4 107.351 H2 C1 C5 111.244
H3 C1 H4 107.536 H3 C1 C5 111.239
H4 C1 C5 111.656 C5 C8 H9 111.194
C5 C8 H10 109.487 C5 C8 C14 112.122
H6 C5 H7 105.776 H6 C5 C8 109.081
H7 C5 C8 107.683 C8 C14 N11 114.764
C8 C14 O15 123.067 H9 C8 H10 106.057
H9 C8 C14 110.679 H10 C8 C14 107.027
N11 C14 O15 122.169 H12 N11 H13 118.471
H12 N11 C14 117.777 H13 N11 C14 121.907
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.420      
2 H 0.124      
3 H 0.127      
4 H 0.121      
5 C -0.176      
6 H 0.114      
7 H 0.137      
8 C -0.320      
9 H 0.107      
10 H 0.135      
11 N -0.522      
12 H 0.258      
13 H 0.255      
14 C 0.392      
15 O -0.332      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.448 -3.296 0.051 3.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.249 -5.850 -0.009
y -5.850 -38.181 -0.360
z -0.009 -0.360 -37.416
Traceless
 xyz
x 5.550 -5.850 -0.009
y -5.850 -3.349 -0.360
z -0.009 -0.360 -2.201
Polar
3z2-r2-4.402
x2-y25.933
xy-5.850
xz-0.009
yz-0.360


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.220 -0.398 -0.187
y -0.398 8.365 0.063
z -0.187 0.063 6.292


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000