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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-212.721127
Energy at 298.15K-212.733654
HF Energy-212.256518
Nuclear repulsion energy190.713923
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/SDD
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 3627 3502 0.04      
2 A 3503 3382 0.94      
3 A 3130 3022 53.63      
4 A 3120 3012 53.61      
5 A 3112 3004 57.67      
6 A 3109 3001 40.56      
7 A 3087 2979 8.21      
8 A 3026 2921 34.10      
9 A 3013 2908 5.92      
10 A 3012 2908 68.46      
11 A 2942 2840 83.38      
12 A 1714 1654 53.17      
13 A 1553 1499 10.27      
14 A 1541 1487 8.01      
15 A 1540 1486 3.81      
16 A 1533 1480 5.69      
17 A 1510 1457 1.92      
18 A 1453 1402 6.19      
19 A 1450 1399 13.79      
20 A 1436 1387 6.39      
21 A 1409 1361 20.62      
22 A 1377 1329 2.40      
23 A 1317 1271 1.63      
24 A 1270 1226 3.11      
25 A 1221 1178 4.12      
26 A 1179 1138 4.17      
27 A 1070 1033 5.92      
28 A 1047 1011 6.26      
29 A 1023 988 3.28      
30 A 1007 972 4.99      
31 A 941 908 7.65      
32 A 838 809 13.82      
33 A 783 756 15.13      
34 A 731 706 162.62      
35 A 478 461 13.41      
36 A 453 437 6.82      
37 A 373 360 0.57      
38 A 268 259 19.08      
39 A 254 245 14.05      
40 A 219 212 0.02      
41 A 195 189 32.77      
42 A 98 94 4.32      

Unscaled Zero Point Vibrational Energy (zpe) 32979.5 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 31835.2 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/SDD
ABC
0.25207 0.11017 0.08449

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.576 1.407 -0.212
H2 -0.218 2.002 0.039
H3 1.462 1.872 0.002
C4 1.808 -0.732 -0.011
H5 1.938 -0.749 -1.108
H6 2.684 -0.228 0.440
H7 1.780 -1.771 0.366
C8 0.490 0.012 0.344
H9 0.374 0.014 1.456
C10 -0.746 -0.717 -0.262
H11 -0.616 -0.748 -1.361
H12 -0.748 -1.760 0.116
C13 -2.107 -0.040 0.093
H14 -2.954 -0.656 -0.261
H15 -2.195 0.952 -0.385
H16 -2.209 0.085 1.188

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.02321.02402.47652.70332.74613.44651.50332.18172.50142.71753.44703.06324.08802.81253.3855
H21.02321.68563.40333.67883.68164.28132.13382.51192.78583.11163.79942.78253.82602.27802.9935
H31.02401.68562.62682.88612.46823.67422.12582.59743.41263.61164.25234.05035.09503.79064.2519
C42.47653.40332.62681.10461.10691.10531.55482.18302.56592.77492.75733.97744.76904.35854.2715
H52.70333.67882.88611.10461.79561.80052.18773.09892.81412.56693.11954.27924.96564.52724.8136
H62.74613.68162.46821.10691.79561.78992.20912.53503.53473.79563.77194.80765.69745.08664.9602
H73.44654.28133.67421.10531.80051.78992.20062.51962.80753.12582.53964.26364.90334.87574.4756
C81.50332.13382.12581.55482.18772.20912.20061.11771.55782.17072.17352.61013.56002.93652.8293
H92.18172.51192.59742.18303.09892.53502.51961.11772.17743.08232.49032.83183.80453.29702.5985
C102.50142.78583.41262.56592.81413.53472.80751.55782.17741.10721.10911.56172.20912.21352.2112
H112.71753.11163.61162.77492.56693.79563.12582.17073.08231.10721.79502.20012.58522.51673.1197
H123.44703.79944.25232.75733.11953.77192.53962.17352.49031.10911.79502.19242.49563.11412.5864
C133.06322.78254.05033.97744.27924.80764.26362.61012.83181.56172.20012.19241.10511.10481.1069
H144.08803.82605.09504.76904.96565.69744.90333.56003.80452.20912.58522.49561.10511.78231.7899
H152.81252.27803.79064.35854.52725.08664.87572.93653.29702.21352.51673.11411.10481.78231.7968
H163.38552.99354.25194.27154.81364.96024.47562.82932.59852.21123.11972.58641.10691.78991.7968

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 108.143 N1 C8 H9 111.845
N1 C8 C10 109.586 H2 N1 H3 110.855
H2 N1 C8 113.895 H3 N1 C8 113.156
C4 C8 H9 108.426 C4 C8 C10 111.047
H5 C4 H6 108.565 H5 C4 H7 109.124
H5 C4 C8 109.531 H6 C4 H7 108.013
H6 C4 C8 111.063 H7 C4 C8 110.492
C8 C10 H11 107.880 C8 C10 H12 107.990
C8 C10 C13 113.592 H9 C8 C10 107.809
C10 C13 H14 110.699 C10 C13 H15 111.064
C10 C13 H16 110.757 H11 C10 H12 108.176
H11 C10 C13 109.878 H12 C10 C13 109.175
H14 C13 H15 107.514 H14 C13 H16 108.031
H15 C13 H16 108.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability