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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-213.104207
Energy at 298.15K-213.117098
HF Energy-212.339456
Nuclear repulsion energy194.734033
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 3664 3431 0.03      
2 A 3564 3337 0.83      
3 A 3231 3026 28.17      
4 A 3226 3021 27.16      
5 A 3215 3011 34.50      
6 A 3212 3008 26.15      
7 A 3179 2977 13.58      
8 A 3123 2925 21.04      
9 A 3122 2924 33.10      
10 A 3119 2921 13.22      
11 A 3022 2830 67.31      
12 A 1697 1590 37.96      
13 A 1572 1473 6.70      
14 A 1560 1461 2.08      
15 A 1559 1460 4.01      
16 A 1551 1452 2.09      
17 A 1534 1436 0.41      
18 A 1473 1380 3.94      
19 A 1460 1367 5.96      
20 A 1455 1363 9.00      
21 A 1431 1340 12.59      
22 A 1376 1288 3.74      
23 A 1340 1255 1.27      
24 A 1294 1212 0.31      
25 A 1240 1162 1.31      
26 A 1200 1124 9.80      
27 A 1108 1038 1.07      
28 A 1070 1002 1.99      
29 A 1047 980 5.57      
30 A 1012 948 1.96      
31 A 980 918 15.50      
32 A 909 851 108.68      
33 A 843 790 2.52      
34 A 794 743 1.59      
35 A 490 459 7.13      
36 A 470 440 6.03      
37 A 385 360 0.19      
38 A 324 304 36.33      
39 A 271 253 3.03      
40 A 246 230 8.08      
41 A 237 222 10.64      
42 A 116 109 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 33859.6 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 31709.5 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
0.26399 0.11521 0.08843

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 0.541 1.372 -0.237
H2 -0.226 1.929 0.125
H3 1.386 1.833 0.085
C4 1.778 -0.700 -0.016
H5 1.903 -0.723 -1.098
H6 2.641 -0.192 0.417
H7 1.766 -1.722 0.360
C8 0.485 0.022 0.334
H9 0.385 0.032 1.432
C10 -0.725 -0.717 -0.230
H11 -0.596 -0.799 -1.312
H12 -0.728 -1.731 0.176
C13 -2.057 -0.041 0.080
H14 -2.893 -0.650 -0.261
H15 -2.133 0.924 -0.419
H16 -2.175 0.115 1.153

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01461.01562.42362.64322.69893.38171.46762.14592.44232.67603.37802.97383.98492.71703.2994
H21.01461.61583.30863.61403.57794.16602.04622.38262.71523.10523.69442.68923.72962.22262.8533
H31.01561.61582.56532.86392.40513.58632.03832.46093.32533.57904.14503.91974.95943.66944.0950
C42.42363.30862.56531.08941.09101.08951.52132.13822.51192.70592.71613.89164.67724.25374.2015
H52.64323.61402.86391.08941.76671.77342.14843.04542.76742.50893.09194.18674.86874.41174.7325
H62.69893.57792.40511.09101.76671.76352.16762.48333.46733.71903.71124.71165.59364.97314.8809
H73.38174.16603.58631.08951.77341.76352.16412.47672.75083.03782.50084.18554.82104.77654.4199
C81.46762.04622.03831.52132.14842.16762.16411.10221.52592.13352.13742.55523.49522.86992.7846
H92.14592.38262.46092.13823.04542.48332.47671.10222.13483.03032.43452.79223.75213.24982.5764
C102.44232.71523.32532.51192.76743.46732.75081.52592.13481.09231.09301.52492.16902.17032.1697
H112.67603.10523.57902.70592.50893.71903.03782.13353.03031.09231.76082.15522.53052.47613.0669
H123.37803.69444.14502.71613.09193.71122.50082.13742.43451.09301.76082.15202.45913.06262.5412
C132.97382.68923.91973.89164.18674.71164.18552.55522.79221.52492.15522.15201.08921.08911.0912
H143.98493.72964.95944.67724.86875.59364.82103.49523.75212.16902.53052.45911.08921.75531.7611
H152.71702.22263.66944.25374.41174.97314.77652.86993.24982.17032.47613.06261.08911.75531.7683
H163.29942.85334.09504.20154.73254.88094.41992.78462.57642.16973.06692.54121.09121.76111.7683

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 108.351 N1 C8 H9 112.464
N1 C8 C10 109.334 H2 N1 H3 105.479
H2 N1 C8 109.700 H3 N1 C8 108.983
C4 C8 H9 108.119 C4 C8 C10 111.046
H5 C4 H6 108.243 H5 C4 H7 108.955
H5 C4 C8 109.650 H6 C4 H7 107.953
H6 C4 C8 111.076 H7 C4 C8 110.890
C8 C10 H11 108.002 C8 C10 H12 108.266
C8 C10 C13 113.765 H9 C8 C10 107.545
C10 C13 H14 111.049 C10 C13 H15 111.155
C10 C13 H16 110.981 H11 C10 H12 107.359
H11 C10 C13 109.768 H12 C10 C13 109.472
H14 C13 H15 107.376 H14 C13 H16 107.737
H15 C13 H16 108.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability