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All results from a given calculation for C4H9NO (Butanamide)

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-287.513722
Energy at 298.15K-287.524047
HF Energy-287.229796
Nuclear repulsion energy238.359632
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 3747 3556 31.67      
2 A 3615 3432 35.86      
3 A 3156 2996 47.11      
4 A 3153 2993 38.34      
5 A 3133 2974 6.14      
6 A 3101 2944 20.19      
7 A 3088 2931 22.65      
8 A 3074 2917 26.95      
9 A 3061 2906 14.19      
10 A 1800 1709 253.22      
11 A 1658 1574 101.91      
12 A 1559 1479 5.05      
13 A 1551 1472 6.47      
14 A 1543 1464 2.25      
15 A 1518 1441 5.94      
16 A 1462 1387 3.12      
17 A 1449 1376 56.95      
18 A 1393 1322 39.36      
19 A 1350 1282 27.25      
20 A 1298 1232 54.00      
21 A 1283 1218 8.93      
22 A 1161 1102 0.91      
23 A 1145 1087 2.35      
24 A 1092 1037 1.15      
25 A 1075 1020 2.77      
26 A 947 899 2.29      
27 A 904 858 0.81      
28 A 864 820 3.12      
29 A 764 725 5.96      
30 A 682 647 15.26      
31 A 600 570 9.15      
32 A 526 499 17.01      
33 A 432 410 3.43      
34 A 347 329 2.06      
35 A 252 239 0.17      
36 A 199 189 235.95      
37 A 188 179 20.66      
38 A 92 88 2.03      
39 A 32 31 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 29145.7 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 27665.1 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
0.28697 0.06100 0.05252

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 2.708 -0.035 0.013
H2 2.894 -1.112 0.019
H3 3.428 0.434 -0.661
H4 2.882 0.350 1.021
C5 1.267 0.262 -0.432
H6 1.102 1.340 -0.450
H7 1.115 -0.123 -1.444
C8 0.234 -0.398 0.508
H9 0.391 -0.006 1.520
H10 0.394 -1.477 0.528
N11 -1.574 1.180 -0.015
H12 -2.557 1.202 -0.283
H13 -1.459 1.691 0.860
C14 -1.172 -0.157 0.077
O15 -1.925 -1.074 -0.250

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09281.09191.09271.53712.16432.16112.54972.76462.77524.45155.41644.59003.88274.7554
H21.09281.77141.77182.17673.07282.50752.79763.12102.57775.02195.92935.24584.17734.8268
H31.09191.77141.77042.17972.50502.50513.50183.76503.77785.09856.04565.27084.69615.5764
H41.09271.77181.77042.17372.51203.06952.79912.56533.12574.64955.65704.54654.19275.1714
C51.53712.17672.17972.17371.09061.09331.54502.15632.16953.01503.94063.33882.52663.4650
H62.16433.07282.50502.51201.09061.76842.16592.48933.06422.71593.66512.89842.77263.8763
H72.16112.50752.50513.06951.09331.76842.15893.05312.49803.31164.07193.90192.74643.4012
C82.54972.79763.50182.79911.54502.16592.15891.09661.09052.45593.31222.71211.48972.3851
H92.76463.12103.76502.56532.15632.48933.05311.09661.77382.76123.66002.59602.13213.1035
H102.77522.57773.77783.12572.16953.06422.49801.09051.77383.35014.06633.68492.09672.4783
N114.45155.02195.09854.64953.01502.71593.31162.45592.76123.35011.01851.02041.39872.2924
H125.41645.92936.04565.65703.94063.66514.07193.31223.66004.06631.01851.65831.97292.3616
H134.59005.24585.27084.54653.33882.89843.90192.71212.59603.68491.02041.65832.02733.0151
C143.88274.17734.69614.19272.52662.77262.74641.48972.13212.09671.39871.97292.02731.2306
O154.75544.82685.57645.17143.46503.87633.40122.38513.10352.47832.29242.36163.01511.2306

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.733 C1 C5 H7 109.327
C1 C5 C8 111.638 H2 C1 H3 108.355
H2 C1 H4 108.324 H2 C1 C5 110.582
H3 C1 H4 108.270 H3 C1 C5 110.878
H4 C1 C5 110.348 C5 C8 H9 108.228
C5 C8 H10 109.602 C5 C8 C14 112.717
H6 C5 H7 108.140 H6 C5 C8 109.314
H7 C5 C8 108.614 C8 C14 N11 116.448
C8 C14 O15 122.223 H9 C8 H10 108.391
H9 C8 C14 110.120 H10 C8 C14 107.702
N11 C14 O15 121.222 H12 N11 H13 108.841
H12 N11 C14 108.386 H13 N11 C14 112.933
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 -0.465      
2 H 0.150      
3 H 0.158      
4 H 0.145      
5 C -0.273      
6 H 0.152      
7 H 0.184      
8 C -0.381      
9 H 0.145      
10 H 0.183      
11 N -0.822      
12 H 0.363      
13 H 0.355      
14 C 0.661      
15 O -0.554      


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 8.884 -0.355 -0.203
y -0.355 7.857 0.120
z -0.203 0.120 5.688


<r2> (average value of r2) Å2
<r2> 217.570
(<r2>)1/2 14.750