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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G3B3
 hartrees
Energy at 0K-213.585416
Energy at 298.15K-213.577438
Nuclear repulsion energy 
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 B3LYP/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 3544 3403 1.41      
2 A 3462 3324 3.23      
3 A 3125 3001 40.53      
4 A 3112 2989 44.99      
5 A 3106 2983 49.40      
6 A 3105 2982 31.02      
7 A 3074 2952 10.03      
8 A 3044 2923 31.43      
9 A 3040 2919 34.97      
10 A 3036 2915 17.63      
11 A 2914 2799 82.81      
12 A 1698 1630 36.09      
13 A 1541 1479 6.51      
14 A 1531 1470 2.60      
15 A 1528 1468 3.64      
16 A 1522 1461 2.64      
17 A 1507 1447 0.29      
18 A 1442 1385 6.59      
19 A 1436 1379 3.61      
20 A 1432 1375 5.25      
21 A 1405 1349 17.12      
22 A 1355 1301 6.53      
23 A 1317 1265 1.70      
24 A 1274 1224 0.30      
25 A 1206 1158 1.72      
26 A 1174 1127 10.90      
27 A 1069 1026 2.29      
28 A 1034 993 2.84      
29 A 1028 988 6.00      
30 A 994 955 2.72      
31 A 950 912 15.94      
32 A 887 852 110.85      
33 A 819 786 3.82      
34 A 774 743 1.46      
35 A 481 462 8.00      
36 A 455 437 5.07      
37 A 375 360 0.72      
38 A 300 288 41.37      
39 A 258 247 0.14      
40 A 231 221 6.91      
41 A 226 217 8.92      
42 A 102 98 1.87      

Unscaled Zero Point Vibrational Energy (zpe) 32955.2 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 31646.9 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 B3LYP/6-31G*
ABC
0.26022 0.11298 0.08685

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.576 1.382 -0.239
H2 -0.208 1.944 0.086
H3 1.413 1.843 0.118
C4 1.780 -0.725 -0.007
H5 1.922 -0.770 -1.093
H6 2.654 -0.225 0.428
H7 1.752 -1.748 0.386
C8 0.489 0.026 0.328
H9 0.379 0.037 1.430
C10 -0.738 -0.699 -0.249
H11 -0.622 -0.757 -1.339
H12 -0.735 -1.730 0.131
C13 -2.080 -0.042 0.093
H14 -2.917 -0.643 -0.280
H15 -2.171 0.952 -0.361
H16 -2.208 0.066 1.178

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01881.01972.43782.67832.71013.40111.47222.15272.46102.68683.39703.03194.03782.78333.3900
H21.01881.62463.33013.64693.60804.19102.05552.40622.71663.08193.71222.72903.76352.24422.9528
H31.01971.62462.59792.92522.43223.61712.04942.46033.34993.60854.16903.96895.00853.72374.1706
C42.43783.33012.59791.09581.09761.09571.53052.14702.52892.74602.71103.92074.70514.30644.2348
H52.67833.64692.92521.09581.77351.78082.16933.06592.79152.55583.07844.23704.90854.50064.7870
H62.71013.60802.43221.09761.77351.77072.18202.49993.49093.75973.72004.74945.63145.02884.9286
H73.40114.19103.61711.09571.78081.77072.17812.48212.77473.09672.49954.20424.84344.82004.4269
C81.47222.05552.04941.53052.16932.18202.17811.10841.53692.15022.14932.58043.52372.89942.8283
H92.15272.40622.46032.14703.06592.49992.48211.10842.14673.04982.46042.80053.77533.24792.6000
C102.46102.71663.34992.52892.79153.49092.77471.53692.14671.09791.09851.53292.18022.18922.1869
H112.68683.08193.60852.74602.55583.75973.09672.15023.04981.09791.76612.16482.53022.50523.0866
H123.39703.71224.16902.71103.07843.72002.49952.14932.46041.09851.76612.15872.47233.08172.5482
C133.03192.72903.96893.92074.23704.74944.20422.58042.80051.53292.16482.15871.09581.09621.0979
H144.03783.76355.00854.70514.90855.63144.84343.52373.77532.18022.53022.47231.09581.76251.7691
H152.78332.24423.72374.30644.50065.02884.82002.89943.24792.18922.50523.08171.09621.76251.7758
H163.39002.95284.17064.23484.78704.92864.42692.82832.60002.18693.08662.54821.09791.76911.7758

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 108.544 N1 C8 H9 112.299
N1 C8 C10 109.727 H2 N1 H3 105.683
H2 N1 C8 109.879 H3 N1 C8 109.317
C4 C8 H9 107.827 C4 C8 C10 111.063
H5 C4 H6 107.915 H5 C4 H7 108.698
H5 C4 C8 110.277 H6 C4 H7 107.675
H6 C4 C8 111.186 H7 C4 C8 110.980
C8 C10 H11 108.232 C8 C10 H12 108.131
C8 C10 C13 114.402 H9 C8 C10 107.386
C10 C13 H14 110.981 C10 C13 H15 111.669
C10 C13 H16 111.387 H11 C10 H12 107.045
H11 C10 C13 109.639 H12 C10 C13 109.131
H14 C13 H15 107.035 H14 C13 H16 107.499
H15 C13 H16 108.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.721 -0.954   -0.933
2 H 0.295 0.336   0.330
3 H 0.291 0.347   0.348
4 C -0.443 -0.324   -0.416
5 H 0.156 0.090   0.118
6 H 0.132 0.083   0.109
7 H 0.140 0.055   0.082
8 C 0.044 0.447   0.406
9 H 0.099 -0.074   -0.049
10 C -0.230 0.067   0.052
11 H 0.141 0.002   0.017
12 H 0.125 -0.023   -0.009
13 C -0.459 -0.167   -0.213
14 H 0.146 0.046   0.057
15 H 0.147 0.046   0.062
16 H 0.138 0.024   0.039


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.025 0.196 1.266 1.282
CHELPG -0.007 0.227 1.253 1.274
AIM        
ESP -0.013 0.220 1.250 1.269


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 151.606
(<r2>)1/2 12.313