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All results from a given calculation for CH3C(NH2)HCH2CH3 (2-Butanamine)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-212.710860
Energy at 298.15K-212.723606
HF Energy-212.228948
Nuclear repulsion energy192.248750
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 MP2/6-31G
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 3639 3482 0.02      
2 A 3520 3368 0.85      
3 A 3156 3020 35.59      
4 A 3143 3008 42.35      
5 A 3135 3000 44.49      
6 A 3133 2998 32.53      
7 A 3102 2968 12.25      
8 A 3054 2922 4.19      
9 A 3053 2921 51.12      
10 A 3046 2915 25.09      
11 A 2930 2803 82.69      
12 A 1744 1669 41.49      
13 A 1584 1516 7.44      
14 A 1575 1507 4.17      
15 A 1572 1504 3.60      
16 A 1566 1499 3.50      
17 A 1553 1486 0.58      
18 A 1479 1415 3.27      
19 A 1477 1413 7.54      
20 A 1457 1394 5.99      
21 A 1437 1375 22.86      
22 A 1400 1339 4.11      
23 A 1348 1289 1.74      
24 A 1296 1240 1.39      
25 A 1244 1190 3.14      
26 A 1201 1149 2.78      
27 A 1089 1042 4.26      
28 A 1064 1018 4.07      
29 A 1043 998 2.95      
30 A 1029 984 2.91      
31 A 957 916 5.07      
32 A 850 814 15.49      
33 A 795 761 12.83      
34 A 745 713 171.79      
35 A 492 471 11.22      
36 A 469 449 6.80      
37 A 385 368 0.63      
38 A 288 275 26.80      
39 A 265 254 5.36      
40 A 236 226 1.99      
41 A 221 212 32.02      
42 A 109 104 3.63      

Unscaled Zero Point Vibrational Energy (zpe) 33439.9 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 31995.3 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 MP2/6-31G
ABC
0.25692 0.11183 0.08580

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.570 1.393 -0.208
H2 -0.218 1.985 0.044
H3 1.452 1.857 0.001
C4 1.794 -0.726 -0.013
H5 1.922 -0.744 -1.104
H6 2.666 -0.222 0.432
H7 1.768 -1.757 0.365
C8 0.490 0.015 0.339
H9 0.379 0.008 1.445
C10 -0.741 -0.709 -0.252
H11 -0.611 -0.753 -1.345
H12 -0.742 -1.745 0.126
C13 -2.092 -0.040 0.089
H14 -2.932 -0.645 -0.281
H15 -2.171 0.953 -0.376
H16 -2.210 0.073 1.178

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01751.01862.45452.68262.72183.41831.48452.16532.47802.70053.41753.03774.05202.78093.3747
H21.01751.67523.37643.65313.65174.24852.11372.49562.76093.09583.76782.75963.79312.24862.9846
H31.01861.67522.60552.86522.44553.64642.10572.58013.38553.58944.21964.02085.05533.75294.2396
C42.45453.37642.60551.09841.10061.09901.54122.16112.54662.74932.73683.94774.73414.32084.2531
H52.68263.65312.86521.09841.78461.79102.17033.07362.79612.54443.10024.24644.92394.48984.7901
H62.72183.65172.44551.10061.78461.78012.19112.51213.50883.76503.74494.77355.65835.04204.9409
H73.41834.24853.64641.09901.79101.78012.18532.49262.78783.09642.52064.23354.87204.83764.4532
C81.48452.11372.10571.54122.17032.19112.18531.11221.54552.15312.15862.59413.53882.90972.8271
H92.16532.49562.58012.16113.07362.51212.49261.11222.15673.05682.46352.81903.78993.27252.6030
C102.47802.76093.38552.54662.79613.50882.78781.54552.15671.10091.10281.54602.19172.19592.1943
H112.70053.09583.58942.74932.54443.76503.09642.15313.05681.10091.77902.18142.55522.50633.0987
H123.41753.76784.21962.73683.10023.74492.52062.15862.46351.10281.77902.17552.48433.09402.5626
C133.03772.75964.02083.94774.24644.77354.23352.59412.81901.54602.18142.17551.09891.09891.1008
H144.05203.79315.05534.73414.92395.65834.87203.53883.78992.19172.55522.48431.09891.77211.7787
H152.78092.24863.75294.32084.48985.04204.83762.90973.27252.19592.50633.09401.09891.77211.7857
H163.37472.98464.23964.25314.79014.94094.45322.82712.60302.19433.09872.56261.10081.77871.7857

picture of 2-Butanamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C8 C4 108.416 N1 C8 H9 112.209
N1 C8 C10 109.717 H2 N1 H3 110.728
H2 N1 C8 114.005 H3 N1 C8 113.228
C4 C8 H9 107.974 C4 C8 C10 111.180
H5 C4 H6 108.496 H5 C4 H7 109.194
H5 C4 C8 109.471 H6 C4 H7 108.049
H6 C4 C8 110.967 H7 C4 C8 110.613
C8 C10 H11 107.712 C8 C10 H12 108.022
C8 C10 C13 114.090 H9 C8 C10 107.356
C10 C13 H14 110.782 C10 C13 H15 111.115
C10 C13 H16 110.875 H11 C10 H12 107.660
H11 C10 C13 109.855 H12 C10 C13 109.294
H14 C13 H15 107.472 H14 C13 H16 107.918
H15 C13 H16 108.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability