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

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-211.186029
Energy at 298.15K-211.198246
Nuclear repulsion energy189.888891
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/STO-3G
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 3648 3255 19.23      
2 A 3488 3113 1.86      
3 A 3480 3106 4.04      
4 A 3476 3102 5.08      
5 A 3476 3102 0.97      
6 A 3465 3092 17.70      
7 A 3448 3077 1.44      
8 A 3341 2982 3.68      
9 A 3310 2954 2.17      
10 A 3309 2953 2.29      
11 A 3271 2919 19.76      
12 A 1854 1655 4.35      
13 A 1698 1515 3.20      
14 A 1691 1509 2.94      
15 A 1687 1505 2.39      
16 A 1681 1500 1.87      
17 A 1659 1481 0.17      
18 A 1577 1407 0.14      
19 A 1574 1404 1.52      
20 A 1553 1386 1.09      
21 A 1493 1332 18.69      
22 A 1454 1298 10.39      
23 A 1402 1251 1.93      
24 A 1376 1228 1.16      
25 A 1293 1154 3.51      
26 A 1239 1106 8.11      
27 A 1153 1029 1.38      
28 A 1129 1007 11.36      
29 A 1105 986 4.33      
30 A 1068 953 4.36      
31 A 1045 933 21.66      
32 A 959 855 27.98      
33 A 878 784 0.80      
34 A 818 730 0.31      
35 A 479 428 5.19      
36 A 436 389 5.86      
37 A 368 328 0.76      
38 A 273 243 43.04      
39 A 256 228 3.26      
40 A 215 192 7.36      
41 A 205 183 0.90      
42 A 81 72 2.39      

Unscaled Zero Point Vibrational Energy (zpe) 35704.4 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 31862.6 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 B3LYP/STO-3G
ABC
0.24693 0.10924 0.08383

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.625 1.422 -0.277
H2 -0.193 1.968 0.126
H3 1.445 1.853 0.246
C4 1.795 -0.771 0.011
H5 1.947 -0.829 -1.077
H6 2.669 -0.273 0.459
H7 1.731 -1.792 0.416
C8 0.490 0.025 0.327
H9 0.361 0.059 1.434
C10 -0.762 -0.692 -0.287
H11 -0.664 -0.687 -1.386
H12 -0.756 -1.745 0.045
C13 -2.115 -0.040 0.119
H14 -2.955 -0.624 -0.286
H15 -2.195 0.985 -0.273
H16 -2.218 -0.004 1.215

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.06241.06312.50202.73112.75533.46901.52822.20362.52842.70943.47003.13034.12322.85343.5132
H21.06241.64603.38593.72183.64994.23332.06942.37972.75133.09133.75612.77903.80982.26533.0290
H31.06311.64602.65743.03282.46243.66022.06382.40953.41013.68244.22234.03325.07673.77724.2196
C42.50203.38592.65741.10011.10121.10071.56052.18422.57482.82922.73033.97854.76094.36814.2596
H52.73113.72183.03281.10011.78591.79002.19673.10052.82472.63323.06624.30734.96954.59304.8257
H62.75533.64992.46241.10121.78591.78592.20272.52743.53553.83193.75044.80115.68355.07674.9527
H73.46904.23333.66021.10071.79001.78592.20172.51752.81353.19462.51434.23614.87964.85774.4080
C81.52822.06942.06381.56052.19672.20272.20171.11501.56822.18552.18292.61403.55892.91422.8505
H92.20362.37972.40952.18423.10052.52742.51751.11502.18853.09272.53642.80523.79773.21032.5897
C102.52842.75133.41012.57482.82473.53552.81351.56822.18851.10331.10411.55622.19422.20642.2031
H112.70943.09133.68242.82922.63323.83193.19462.18553.09271.10331.78222.18862.54202.52583.1065
H123.47003.75614.22232.73033.06623.75042.51432.18292.53641.10411.78222.18192.49043.10272.5577
C133.13032.77904.03323.97854.30734.80114.23612.61402.80521.55622.18862.18191.10081.10031.1012
H144.12323.80985.07674.76094.96955.68354.87963.55893.79772.19422.54202.49041.10081.77981.7834
H152.85342.26533.77724.36814.59305.07674.85772.91423.21032.20642.52583.10271.10031.77981.7866
H163.51323.02904.21964.25964.82574.95274.40802.85052.58972.20313.10652.55771.10121.78341.7866

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 108.201 N1 C8 H9 112.008
N1 C8 C10 109.475 H2 N1 H3 101.503
H2 N1 C8 104.591 H3 N1 C8 104.137
C4 C8 H9 108.294 C4 C8 C10 110.762
H5 C4 H6 108.446 H5 C4 H7 108.848
H5 C4 C8 110.105 H6 C4 H7 108.406
H6 C4 C8 110.513 H7 C4 C8 110.466
C8 C10 H11 108.531 C8 C10 H12 108.291
C8 C10 C13 113.568 H9 C8 C10 108.111
C10 C13 H14 110.166 C10 C13 H15 111.149
C10 C13 H16 110.839 H11 C10 H12 107.683
H11 C10 C13 109.583 H12 C10 C13 109.016
H14 C13 H15 107.914 H14 C13 H16 108.176
H15 C13 H16 108.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.367      
2 H 0.143      
3 H 0.142      
4 C -0.220      
5 H 0.081      
6 H 0.069      
7 H 0.072      
8 C 0.017      
9 H 0.052      
10 C -0.129      
11 H 0.078      
12 H 0.068      
13 C -0.220      
14 H 0.074      
15 H 0.072      
16 H 0.068      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.135 -0.077 1.542 1.550
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.036 -0.073 1.240
y -0.073 -30.587 2.595
z 1.240 2.595 -32.532
Traceless
 xyz
x 0.524 -0.073 1.240
y -0.073 1.197 2.595
z 1.240 2.595 -1.721
Polar
3z2-r2-3.442
x2-y2-0.448
xy-0.073
xz1.240
yz2.595


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.534 0.028 0.066
y 0.028 4.175 0.052
z 0.066 0.052 3.310


<r2> (average value of r2) Å2
<r2> 154.824
(<r2>)1/2 12.443