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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-286.982697
Energy at 298.15K-286.993274
HF Energy-286.070112
Nuclear repulsion energy237.878539
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 MP2/cc-pVDZ
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 3743 3565 31.94      
2 A 3599 3428 32.31      
3 A 3178 3027 28.61      
4 A 3176 3025 45.27      
5 A 3156 3006 0.03      
6 A 3121 2973 9.48      
7 A 3107 2959 15.05      
8 A 3076 2930 27.84      
9 A 3065 2919 15.32      
10 A 1815 1729 216.43      
11 A 1619 1542 97.63      
12 A 1504 1433 4.26      
13 A 1498 1427 6.67      
14 A 1485 1415 3.42      
15 A 1461 1392 4.93      
16 A 1432 1364 82.16      
17 A 1413 1346 7.45      
18 A 1359 1294 37.92      
19 A 1327 1264 3.16      
20 A 1256 1196 40.04      
21 A 1251 1192 3.59      
22 A 1156 1101 1.32      
23 A 1113 1060 0.71      
24 A 1104 1052 0.83      
25 A 1076 1025 5.63      
26 A 949 904 2.04      
27 A 889 846 0.77      
28 A 861 820 3.05      
29 A 755 719 6.60      
30 A 627 597 35.37      
31 A 624 594 7.53      
32 A 498 474 33.53      
33 A 442 421 21.53      
34 A 387 369 175.55      
35 A 346 330 6.45      
36 A 260 248 0.02      
37 A 181 173 7.72      
38 A 102 97 0.19      
39 A 35 33 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 29022.6 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 27644.0 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 MP2/cc-pVDZ
ABC
0.28763 0.06114 0.05204

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.729 -0.236 0.011
H2 -2.860 -0.733 0.988
H3 -3.545 0.496 -0.106
H4 -2.852 -1.004 -0.773
C5 -1.360 0.437 -0.085
H6 -1.254 0.955 -1.054
H7 -1.257 1.218 0.687
C8 -0.214 -0.561 0.070
H9 -0.263 -1.341 -0.713
H10 -0.300 -1.091 1.039
N11 2.213 -0.775 -0.115
H12 3.129 -0.381 0.078
H13 2.076 -1.737 0.176
C14 1.157 0.107 0.019
O15 1.314 1.321 0.049

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10401.10221.10391.52932.17492.17742.53662.79782.77284.97325.86105.03693.90164.3331
H21.10401.78211.78192.18443.09822.54292.80593.16402.58535.19196.06865.10254.21694.7458
H31.10221.78211.78222.18582.52132.52693.49843.80973.78905.89636.73396.05464.71954.9307
H41.10391.78191.78222.18552.54353.10042.80392.61153.13045.11226.07335.07124.23434.8409
C51.52932.18442.18582.18551.10381.10271.52702.18122.17293.77284.56594.07412.54052.8193
H62.17493.09822.52132.54351.10381.76092.15432.52343.07843.98654.72004.45472.77182.8189
H72.17742.54292.52693.10041.10271.76092.15163.08082.52364.08064.70764.48292.73972.6505
C82.53662.80593.49842.80391.52702.15432.15161.10601.10802.44383.34862.57681.52602.4242
H92.79783.16403.80972.61152.18122.52343.08081.10601.76992.60863.61272.53282.15513.1858
H102.77282.58533.78903.13042.17293.07842.52361.10801.76992.78373.63202.60962.14473.0665
N114.97325.19195.89635.11223.77283.98654.08062.44382.60862.78371.01621.01401.38212.2864
H125.86106.06866.73396.07334.56594.72004.70763.34863.61273.63201.01621.71982.03252.4883
H135.03695.10256.05465.07124.07414.45474.48292.57682.53282.60961.01401.71982.06573.1536
C143.90164.21694.71954.23432.54052.77182.73971.52602.15512.14471.38212.03252.06571.2247
O154.33314.74584.93074.84092.81932.81892.65052.42423.18583.06652.28642.48833.15361.2247

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.331 C1 C5 H7 110.592
C1 C5 C8 112.189 H2 C1 H3 107.760
H2 C1 H4 107.619 H2 C1 C5 111.072
H3 C1 H4 107.767 H3 C1 C5 111.291
H4 C1 C5 111.160 C5 C8 H9 110.865
C5 C8 H10 110.084 C5 C8 C14 112.638
H6 C5 H7 105.889 H6 C5 C8 108.886
H7 C5 C8 108.736 C8 C14 N11 114.259
C8 C14 O15 123.228 H9 C8 H10 106.147
H9 C8 C14 108.887 H10 C8 C14 107.970
N11 C14 O15 122.474 H12 N11 H13 115.799
H12 N11 C14 115.030 H13 N11 C14 118.302
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability