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

using model chemistry: MP2/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-213.218837
Energy at 298.15K-213.231660
HF Energy-212.349897
Nuclear repulsion energy194.770649
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(2df,p)
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 3642 3439 0.94      
2 A 3547 3350 0.20      
3 A 3205 3027 19.98      
4 A 3200 3023 19.14      
5 A 3191 3014 23.18      
6 A 3188 3011 18.70      
7 A 3158 2983 9.01      
8 A 3102 2930 32.66      
9 A 3100 2928 7.41      
10 A 3097 2925 12.05      
11 A 3011 2844 53.07      
12 A 1677 1584 38.93      
13 A 1543 1458 7.65      
14 A 1530 1445 4.50      
15 A 1529 1444 2.45      
16 A 1519 1435 2.69      
17 A 1502 1418 0.69      
18 A 1440 1360 5.23      
19 A 1427 1347 4.49      
20 A 1423 1344 13.24      
21 A 1404 1326 9.12      
22 A 1347 1272 2.55      
23 A 1316 1243 1.51      
24 A 1276 1205 0.55      
25 A 1220 1152 1.45      
26 A 1180 1115 10.96      
27 A 1094 1034 0.94      
28 A 1058 1000 2.39      
29 A 1029 972 6.47      
30 A 993 938 1.90      
31 A 971 917 19.15      
32 A 898 848 96.90      
33 A 833 787 1.25      
34 A 782 739 0.92      
35 A 481 455 6.75      
36 A 459 433 5.71      
37 A 377 356 0.24      
38 A 322 304 30.50      
39 A 267 252 2.22      
40 A 240 227 4.42      
41 A 232 219 12.53      
42 A 117 110 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 33463.5 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 31606.2 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 MP2/6-31G(2df,p)
ABC
0.26403 0.11540 0.08864

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.539 1.370 -0.240
H2 -0.233 1.924 0.115
H3 1.378 1.835 0.093
C4 1.776 -0.698 -0.014
H5 1.902 -0.723 -1.098
H6 2.642 -0.189 0.416
H7 1.767 -1.722 0.364
C8 0.483 0.023 0.337
H9 0.380 0.037 1.435
C10 -0.722 -0.717 -0.235
H11 -0.592 -0.791 -1.319
H12 -0.723 -1.736 0.165
C13 -2.054 -0.043 0.082
H14 -2.893 -0.647 -0.264
H15 -2.132 0.929 -0.407
H16 -2.173 0.104 1.159

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01421.01522.42042.64072.69863.38121.46612.14622.43852.66723.37682.97043.98142.71183.3039
H21.01421.61273.30593.61033.58044.16612.04332.38292.70923.09163.69332.68103.71962.20622.8582
H31.01521.61272.56702.87042.40863.58892.03552.45563.32143.57384.14383.91184.95303.65844.0917
C42.42043.30592.56701.09151.09281.09131.52182.14272.50772.70542.71173.88684.67664.25124.1972
H52.64073.61032.87041.09151.76831.77542.15163.05132.76172.50443.08354.18354.86774.41304.7310
H62.69863.58042.40861.09281.76831.76572.17062.49133.46663.71913.71184.70985.59584.97124.8808
H73.38124.16613.58891.09131.77541.76572.16702.48372.75013.04352.49804.18324.82424.77744.4153
C81.46612.04332.03551.52182.15162.17062.16701.10261.52572.13582.13992.55053.49472.86542.7816
H92.14622.38292.45562.14273.05132.49132.48371.10262.13803.03522.44392.78503.75073.23912.5685
C102.43852.70923.32142.50772.76173.46662.75011.52572.13801.09391.09431.52652.17312.17452.1735
H112.66723.09163.57382.70542.50443.71913.04352.13583.03521.09391.76352.15872.53562.48243.0724
H123.37683.69334.14382.71173.08353.71182.49802.13992.44391.09431.76352.15532.46623.06842.5451
C132.97042.68103.91183.88684.18354.70984.18322.55052.78501.52652.15872.15531.09101.09101.0929
H143.98143.71964.95304.67664.86775.59584.82423.49473.75072.17312.53562.46621.09101.75661.7630
H152.71182.20623.65844.25124.41304.97124.77742.86543.23912.17452.48243.06841.09101.75661.7701
H163.30392.85824.09174.19724.73104.88084.41532.78162.56852.17353.07242.54511.09291.76301.7701

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 108.185 N1 C8 H9 112.575
N1 C8 C10 109.169 H2 N1 H3 105.251
H2 N1 C8 109.589 H3 N1 C8 108.880
C4 C8 H9 108.402 C4 C8 C10 110.745
H5 C4 H6 108.111 H5 C4 H7 108.858
H5 C4 C8 109.742 H6 C4 H7 107.889
H6 C4 C8 111.176 H7 C4 C8 110.979
C8 C10 H11 108.104 C8 C10 H12 108.395
C8 C10 C13 113.365 H9 C8 C10 107.780
C10 C13 H14 111.150 C10 C13 H15 111.264
C10 C13 H16 111.074 H11 C10 H12 107.406
H11 C10 C13 109.840 H12 C10 C13 109.544
H14 C13 H15 107.231 H14 C13 H16 107.660
H15 C13 H16 108.292
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability