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

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-38.424189
Energy at 298.15K-38.436734
HF Energy-37.947294
Nuclear repulsion energy111.222228
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/CEP-121G
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 3577 3491 0.42      
2 A 3446 3363 3.65      
3 A 3079 3005 59.90      
4 A 3070 2996 49.60      
5 A 3060 2987 69.01      
6 A 3058 2985 38.58      
7 A 3032 2959 9.74      
8 A 2967 2895 30.52      
9 A 2958 2887 30.57      
10 A 2957 2886 54.18      
11 A 2882 2813 85.59      
12 A 1719 1678 51.45      
13 A 1539 1502 8.34      
14 A 1526 1490 8.72      
15 A 1525 1489 2.01      
16 A 1521 1484 3.77      
17 A 1500 1464 0.72      
18 A 1442 1407 5.04      
19 A 1439 1405 10.28      
20 A 1422 1388 4.53      
21 A 1387 1354 22.86      
22 A 1357 1325 5.37      
23 A 1301 1270 1.51      
24 A 1254 1224 1.32      
25 A 1216 1187 2.99      
26 A 1161 1133 3.50      
27 A 1066 1040 2.88      
28 A 1037 1012 6.19      
29 A 1012 988 1.73      
30 A 986 963 2.55      
31 A 937 914 9.63      
32 A 819 800 16.19      
33 A 776 758 63.11      
34 A 748 730 105.33      
35 A 467 456 6.99      
36 A 449 438 8.13      
37 A 370 361 0.53      
38 A 272 265 17.25      
39 A 244 238 11.06      
40 A 217 212 1.08      
41 A 184 179 34.68      
42 A 105 103 2.02      

Unscaled Zero Point Vibrational Energy (zpe) 32541.6 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 31760.6 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/CEP-121G
ABC
0.25276 0.11007 0.08440

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.556 1.406 -0.211
H2 -0.209 2.009 0.104
H3 1.460 1.857 -0.050
C4 1.818 -0.719 -0.019
H5 1.941 -0.723 -1.116
H6 2.689 -0.209 0.432
H7 1.803 -1.759 0.349
C8 0.493 0.009 0.350
H9 0.388 0.012 1.461
C10 -0.745 -0.732 -0.244
H11 -0.605 -0.794 -1.339
H12 -0.754 -1.761 0.165
C13 -2.108 -0.038 0.079
H14 -2.955 -0.663 -0.251
H15 -2.188 0.933 -0.441
H16 -2.211 0.132 1.167

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.02311.02372.47862.69662.75193.44741.50622.18302.50272.73133.44803.04334.07492.79343.3434
H21.02311.68303.40013.68413.66404.27812.13312.48692.81423.17693.80992.79183.84752.31742.9433
H31.02371.68302.60082.83302.45203.65422.12382.61503.40673.59964.24804.04215.08763.78364.2355
C42.47863.40012.60081.10321.10531.10351.55642.18402.57282.76022.78163.98564.77854.35304.2858
H52.69663.68412.83301.10321.79381.79872.18693.09702.82422.55723.15944.27684.97194.49934.8152
H62.75193.66402.45201.10531.79381.78702.20872.53073.53883.78543.78644.81305.70295.08414.9673
H73.44744.27813.65421.10351.79871.78702.20082.52502.81043.09492.56384.28144.91884.87784.5125
C81.50622.13312.12381.55642.18692.20872.20081.11571.56032.16872.17382.61523.56342.94322.8278
H92.18302.48692.61502.18403.09702.53072.52501.11572.17763.07782.47562.85303.81523.33112.6187
C102.50272.81423.40672.57282.82423.53882.81041.56032.17761.10551.10761.56322.21062.21142.2107
H112.73133.17693.59962.76022.55723.78543.09492.16873.07781.10551.79392.19982.59222.50813.1169
H123.44803.80994.24802.78163.15943.78642.56382.17382.47561.10761.79392.19352.49423.11112.5911
C133.04332.79184.04213.98564.27684.81304.28142.61522.85301.56322.19982.19351.10321.10341.1059
H144.07493.84755.08764.77854.97195.70294.91883.56343.81522.21062.59222.49421.10321.78051.7871
H152.79342.31743.78364.35304.49935.08414.87782.94323.33112.21142.50813.11111.10341.78051.7961
H163.34342.94334.23554.28584.81524.96734.51252.82782.61872.21073.11692.59111.10591.78711.7961

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 108.049 N1 C8 H9 111.872
N1 C8 C10 109.391 H2 N1 H3 110.627
H2 N1 C8 113.620 H3 N1 C8 112.781
C4 C8 H9 108.511 C4 C8 C10 111.277
H5 C4 H6 108.624 H5 C4 H7 109.200
H5 C4 C8 109.442 H6 C4 H7 108.001
H6 C4 C8 111.017 H7 C4 C8 110.508
C8 C10 H11 107.655 C8 C10 H12 107.931
C8 C10 C13 113.704 H9 C8 C10 107.766
C10 C13 H14 110.829 C10 C13 H15 110.878
C10 C13 H16 110.671 H11 C10 H12 108.307
H11 C10 C13 109.848 H12 C10 C13 109.246
H14 C13 H15 107.589 H14 C13 H16 107.994
H15 C13 H16 108.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability