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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-213.011448
Energy at 298.15K-213.024339
HF Energy-212.317739
Nuclear repulsion energy194.367185
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 3603 3398 0.02      
2 A 3504 3304 0.54      
3 A 3203 3021 25.49      
4 A 3197 3015 27.14      
5 A 3186 3004 32.57      
6 A 3184 3002 24.93      
7 A 3152 2973 12.46      
8 A 3101 2924 20.83      
9 A 3100 2923 29.14      
10 A 3096 2919 13.32      
11 A 2996 2825 66.71      
12 A 1724 1626 43.27      
13 A 1577 1487 8.69      
14 A 1564 1475 5.11      
15 A 1564 1474 2.83      
16 A 1555 1467 3.30      
17 A 1541 1453 0.59      
18 A 1477 1393 4.42      
19 A 1466 1383 9.25      
20 A 1460 1377 8.29      
21 A 1434 1353 12.74      
22 A 1379 1301 2.42      
23 A 1343 1266 1.13      
24 A 1298 1224 0.39      
25 A 1243 1172 1.60      
26 A 1203 1134 11.47      
27 A 1110 1046 1.14      
28 A 1072 1011 2.54      
29 A 1051 991 7.32      
30 A 1015 957 3.20      
31 A 984 928 23.38      
32 A 921 868 107.07      
33 A 846 797 2.34      
34 A 796 751 0.88      
35 A 494 466 8.33      
36 A 471 444 5.73      
37 A 388 366 0.07      
38 A 325 306 39.51      
39 A 273 257 3.13      
40 A 247 233 8.43      
41 A 238 224 11.65      
42 A 117 110 2.21      

Unscaled Zero Point Vibrational Energy (zpe) 33746.8 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 31823.3 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
0.26311 0.11482 0.08818

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 0.544 1.372 -0.238
H2 -0.247 1.920 0.097
H3 1.377 1.845 0.111
C4 1.776 -0.701 -0.015
H5 1.897 -0.735 -1.102
H6 2.643 -0.186 0.410
H7 1.767 -1.724 0.374
C8 0.485 0.022 0.336
H9 0.382 0.032 1.437
C10 -0.722 -0.712 -0.236
H11 -0.592 -0.780 -1.322
H12 -0.721 -1.735 0.160
C13 -2.056 -0.044 0.084
H14 -2.891 -0.651 -0.278
H15 -2.136 0.937 -0.393
H16 -2.182 0.086 1.164

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01901.02002.42182.64792.69343.38401.46742.15122.43792.66333.37772.97783.98602.71913.3238
H21.01901.62563.31313.61653.58974.17252.04812.39932.69553.06983.68662.67093.70722.18572.8718
H31.02001.62562.58032.89722.41153.59932.04142.45663.32633.58064.14963.91864.95933.66334.1069
C42.42183.31312.58031.09351.09551.09391.52092.14252.50792.70622.70803.88904.67434.25764.2041
H52.64793.61652.89721.09351.77351.78102.15213.05392.75832.49923.07304.18394.85844.42234.7372
H62.69343.58972.41151.09551.77351.77092.16962.49333.46743.71843.71264.71285.59644.97464.8913
H73.38404.17253.59931.09391.78101.77092.16632.47612.75523.05522.49704.18534.82384.78494.4149
C81.46742.04812.04141.52092.15212.16962.16631.10611.52442.13392.13882.55443.49672.86992.7933
H92.15122.39932.45662.14253.05392.49332.47611.10612.13813.03682.44352.78913.75753.24122.5787
C102.43792.69553.32632.50792.75833.46742.75521.52442.13811.09611.09701.52542.16982.17722.1744
H112.66333.06983.58062.70622.49923.71843.05522.13393.03681.09611.76792.15882.52772.48833.0755
H123.37773.68664.14962.70803.07303.71262.49702.13882.44351.09701.76792.15552.46483.07322.5417
C132.97782.67093.91863.88904.18394.71284.18532.55442.78911.52542.15882.15551.09371.09361.0953
H143.98603.70724.95934.67434.85845.59644.82383.49673.75752.16982.52772.46481.09371.76151.7683
H152.71912.18573.66334.25764.42234.97464.78492.86993.24122.17722.48833.07321.09361.76151.7746
H163.32382.87184.10694.20414.73724.89134.41492.79332.57872.17443.07552.54171.09531.76831.7746

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 108.260 N1 C8 H9 112.664
N1 C8 C10 109.129 H2 N1 H3 105.729
H2 N1 C8 109.596 H3 N1 C8 108.976
C4 C8 H9 108.249 C4 C8 C10 110.876
H5 C4 H6 108.228 H5 C4 H7 109.018
H5 C4 C8 109.723 H6 C4 H7 107.971
H6 C4 C8 110.999 H7 C4 C8 110.831
C8 C10 H11 107.922 C8 C10 H12 108.240
C8 C10 C13 113.765 H9 C8 C10 107.681
C10 C13 H14 110.810 C10 C13 H15 111.401
C10 C13 H16 111.081 H11 C10 H12 107.439
H11 C10 C13 109.793 H12 C10 C13 109.476
H14 C13 H15 107.283 H14 C13 H16 107.770
H15 C13 H16 108.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability