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All results from a given calculation for C4H9N (Cyclobutylamine)

using model chemistry: HF/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-31G*
 hartrees
Energy at 0K-36.832717
Energy at 298.15K-36.844117
Nuclear repulsion energy105.005642
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 HF/CEP-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' 3728 3348 0.62      
2 A' 3322 2983 121.88      
3 A' 3285 2950 54.21      
4 A' 3256 2924 53.09      
5 A' 3235 2905 65.25      
6 A' 3179 2855 110.75      
7 A' 1822 1636 33.89      
8 A' 1645 1477 3.10      
9 A' 1603 1440 2.23      
10 A' 1515 1360 32.13      
11 A' 1429 1283 0.94      
12 A' 1343 1206 5.86      
13 A' 1251 1123 21.82      
14 A' 1164 1046 6.98      
15 A' 1030 925 18.98      
16 A' 982 882 106.19      
17 A' 950 854 5.26      
18 A' 880 791 18.68      
19 A' 717 644 0.45      
20 A' 421 378 5.24      
21 A' 168 150 1.52      
22 A" 3815 3426 0.09      
23 A" 3290 2954 16.79      
24 A" 3233 2903 126.02      
25 A" 1603 1440 0.41      
26 A" 1479 1328 1.44      
27 A" 1395 1253 0.16      
28 A" 1378 1237 0.29      
29 A" 1327 1192 0.13      
30 A" 1274 1144 0.31      
31 A" 1113 999 0.47      
32 A" 1014 911 0.36      
33 A" 991 889 4.02      
34 A" 814 731 0.68      
35 A" 413 371 13.52      
36 A" 307 275 37.02      

Unscaled Zero Point Vibrational Energy (zpe) 30184.3 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 27105.5 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 HF/CEP-31G*
ABC
0.27768 0.15717 0.13049

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.422 0.876 0.000
H2 -1.730 1.393 0.808
H3 -1.730 1.393 -0.808
C4 0.514 -0.235 -1.085
H5 -0.141 -0.366 -1.945
H6 1.522 -0.007 -1.433
C7 0.514 -0.235 1.085
H8 -0.141 -0.366 1.945
H9 1.522 -0.007 1.433
C10 0.041 0.772 0.000
H11 0.538 1.747 0.000
C12 0.514 -1.353 0.000
H13 1.354 -2.048 0.000
H14 -0.417 -1.915 0.000

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14
N11.00751.00752.48192.63963.39142.48192.63963.39141.46672.14452.95234.03132.9668
H21.00751.61643.35703.63314.19042.78622.62883.59522.04352.43353.63704.69023.6497
H31.00751.61642.78622.62883.59523.35703.63314.19042.04352.43353.63704.69023.6497
C42.48193.35702.78621.08971.09102.16913.10272.72191.55372.25961.55722.27282.2056
H52.63963.63312.62881.08971.77703.10273.89083.78312.26092.95112.27772.97442.5022
H63.39144.19043.59521.09101.77702.72193.78312.86682.20322.46942.20982.49983.0752
C72.48192.78623.35702.16913.10272.72191.08971.09101.55372.25961.55722.27282.2056
H82.63962.62883.63313.10273.89083.78311.08971.77702.26092.95112.27772.97442.5022
H93.39143.59524.19042.72193.78312.86681.09101.77702.20322.46942.20982.49983.0752
C101.46672.04352.04351.55372.26092.20321.55372.26092.20321.09442.17653.10982.7256
H112.14452.43352.43352.25962.95112.46942.25962.95112.46941.09443.09973.88113.7844
C122.95233.63703.63701.55722.27772.20981.55722.27772.20982.17653.09971.08981.0875
H134.03134.69024.69022.27282.97442.49982.27282.97442.49983.10983.88111.08981.7753
H142.96683.64973.64972.20562.50223.07522.20562.50223.07522.72563.78441.08751.7753

picture of Cyclobutylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C10 C4 110.474 N1 C10 C7 110.474
N1 C10 H11 112.915 H2 N1 H3 106.678
H2 N1 C10 109.968 H3 N1 C10 109.968
C4 C10 C7 88.539 C4 C10 H11 116.060
C4 C12 C7 88.287 C4 C12 H13 117.227
C4 C12 H14 111.782 H5 C4 H6 109.154
H5 C4 C10 116.488 H5 C4 C12 117.663
H6 C4 C10 111.630 H6 C4 C12 111.910
C7 C10 H11 116.060 C7 C12 H13 117.227
C7 C12 H14 111.782 H8 C7 H9 109.154
H8 C7 C10 116.488 H8 C7 C12 117.663
H9 C7 C10 111.630 H9 C7 C12 111.910
C10 C4 C12 88.794 C10 C7 C12 88.794
H13 C12 H14 109.251
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.699      
2 H 0.284      
3 H 0.284      
4 C -0.259      
5 H 0.133      
6 H 0.093      
7 C -0.259      
8 H 0.133      
9 H 0.093      
10 C -0.001      
11 H 0.156      
12 C -0.200      
13 H 0.131      
14 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.449 1.407 0.000 1.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.808 -2.448 0.000
y -2.448 -30.569 0.000
z 0.000 0.000 -31.469
Traceless
 xyz
x -1.789 -2.448 0.000
y -2.448 1.569 0.000
z 0.000 0.000 0.220
Polar
3z2-r20.440
x2-y2-2.238
xy-2.448
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.546 -0.512 0.000
y -0.512 6.801 0.000
z 0.000 0.000 7.083


<r2> (average value of r2) Å2
<r2> 97.426
(<r2>)1/2 9.870