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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-213.736603
Energy at 298.15K-213.749243
Nuclear repulsion energy193.697755
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 B3PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3559 3435 0.07      
2 A 3482 3361 1.93      
3 A 3134 3024 29.34      
4 A 3122 3012 33.36      
5 A 3115 3006 29.21      
6 A 3115 3006 37.41      
7 A 3080 2972 11.46      
8 A 3038 2931 25.72      
9 A 3034 2928 39.39      
10 A 3033 2927 20.11      
11 A 2909 2808 82.58      
12 A 1639 1581 31.97      
13 A 1479 1427 6.62      
14 A 1470 1419 1.43      
15 A 1467 1416 7.39      
16 A 1459 1408 3.68      
17 A 1446 1395 0.82      
18 A 1416 1366 4.69      
19 A 1388 1339 13.69      
20 A 1387 1338 7.73      
21 A 1367 1319 7.14      
22 A 1319 1273 3.84      
23 A 1288 1243 1.56      
24 A 1255 1211 0.33      
25 A 1193 1151 2.19      
26 A 1156 1116 11.28      
27 A 1076 1039 0.52      
28 A 1038 1002 2.27      
29 A 1011 976 6.80      
30 A 974 939 3.33      
31 A 953 919 14.42      
32 A 881 850 96.62      
33 A 817 789 1.53      
34 A 769 742 0.84      
35 A 478 461 6.58      
36 A 452 436 5.10      
37 A 370 357 1.67      
38 A 283 273 29.04      
39 A 249 241 0.51      
40 A 231 223 3.82      
41 A 224 216 14.63      
42 A 99 95 2.17      

Unscaled Zero Point Vibrational Energy (zpe) 32627.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 31485.1 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 B3PW91/cc-pVDZ
ABC
0.26148 0.11368 0.08745

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.573 1.376 -0.242
H2 -0.211 1.938 0.093
H3 1.404 1.841 0.129
C4 1.773 -0.722 -0.007
H5 1.922 -0.757 -1.098
H6 2.651 -0.225 0.438
H7 1.744 -1.753 0.378
C8 0.488 0.027 0.326
H9 0.378 0.036 1.436
C10 -0.735 -0.696 -0.246
H11 -0.616 -0.754 -1.343
H12 -0.730 -1.733 0.132
C13 -2.071 -0.043 0.092
H14 -2.914 -0.642 -0.288
H15 -2.163 0.958 -0.358
H16 -2.206 0.061 1.182

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.02111.02172.42802.66512.70943.39801.46572.15552.45022.67683.39183.01974.02892.77013.3885
H21.02111.61843.31963.63743.60384.18662.04742.40112.70643.07743.70742.71723.75522.22952.9476
H31.02171.61842.59322.91992.43293.61912.04162.45323.33943.60334.16293.95344.99813.70654.1607
C42.42803.31962.59321.10181.10271.10111.52442.14542.51902.73742.70293.90484.69564.29384.2264
H52.66513.63742.91991.10181.78131.78952.16833.07162.79082.55033.08234.22784.90464.49194.7870
H62.70943.60382.43291.10271.78131.77812.18062.49643.48603.75833.71474.73835.62725.02064.9224
H73.39804.18663.61911.10111.78951.77812.17992.48782.76633.08712.48654.19104.83474.81254.4212
C81.46572.04742.04161.52442.16832.18062.17991.11491.53152.14832.14952.57073.52072.89162.8271
H92.15552.40112.45322.14543.07162.49642.48781.11492.14533.05482.46112.79443.77683.24402.5966
C102.45022.70643.33942.51902.79083.48602.76631.53152.14531.10431.10411.52552.18002.18842.1863
H112.67683.07743.60332.73742.55033.75833.08712.14833.05481.10431.77372.16362.53032.50873.0933
H123.39183.70744.16292.70293.08233.71472.48652.14952.46111.10411.77372.15802.47713.08852.5500
C133.01972.71723.95343.90484.22784.73834.19102.57072.79441.52552.16362.15801.10121.10211.1035
H144.02893.75524.99814.69564.90465.62724.83473.52073.77682.18002.53032.47711.10121.76921.7767
H152.77012.22953.70654.29384.49195.02064.81252.89163.24402.18842.50873.08851.10211.76921.7835
H163.38852.94764.16074.22644.78704.92244.42122.82712.59662.18633.09332.55001.10351.77671.7835

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 108.570 N1 C8 H9 112.579
N1 C8 C10 109.650 H2 N1 H3 104.791
H2 N1 C8 109.540 H3 N1 C8 109.014
C4 C8 H9 107.740 C4 C8 C10 111.038
H5 C4 H6 107.801 H5 C4 H7 108.649
H5 C4 C8 110.267 H6 C4 H7 107.576
H6 C4 C8 111.191 H7 C4 C8 111.233
C8 C10 H11 108.091 C8 C10 H12 108.192
C8 C10 C13 114.479 H9 C8 C10 107.270
C10 C13 H14 111.158 C10 C13 H15 111.776
C10 C13 H16 111.524 H11 C10 H12 106.868
H11 C10 C13 109.676 H12 C10 C13 109.254
H14 C13 H15 106.830 H14 C13 H16 107.391
H15 C13 H16 107.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.180      
2 H 0.081      
3 H 0.083      
4 C -0.027      
5 H 0.045      
6 H 0.029      
7 H 0.035      
8 C -0.119      
9 H 0.003      
10 C -0.046      
11 H 0.034      
12 H 0.025      
13 C -0.086      
14 H 0.042      
15 H 0.044      
16 H 0.037      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.019 0.251 1.141 1.169
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.043 0.434 0.977
y 0.434 -32.022 1.923
z 0.977 1.923 -35.210
Traceless
 xyz
x 0.573 0.434 0.977
y 0.434 2.104 1.923
z 0.977 1.923 -2.678
Polar
3z2-r2-5.356
x2-y2-1.021
xy0.434
xz0.977
yz1.923


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> 150.883
(<r2>)1/2 12.283