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All results from a given calculation for C4H9N (Cyclobutylamine)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-210.413928
Energy at 298.15K-210.425214
HF Energy-209.944250
Nuclear repulsion energy185.897443
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 MP2/3-21G
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' 3409 3254 3.32      
2 A' 3222 3076 24.54      
3 A' 3181 3036 20.28      
4 A' 3143 3000 26.73      
5 A' 3117 2975 17.76      
6 A' 3038 2900 78.37      
7 A' 1748 1669 14.21      
8 A' 1584 1512 4.07      
9 A' 1564 1493 3.33      
10 A' 1424 1359 16.27      
11 A' 1322 1262 10.33      
12 A' 1272 1214 0.66      
13 A' 1167 1114 1.81      
14 A' 1083 1034 13.36      
15 A' 947 904 9.90      
16 A' 926 884 0.30      
17 A' 861 822 5.14      
18 A' 794 758 145.29      
19 A' 675 645 6.58      
20 A' 412 393 4.32      
21 A' 225 215 2.95      
22 A" 3511 3351 0.67      
23 A" 3183 3038 12.63      
24 A" 3112 2971 41.10      
25 A" 1560 1489 1.76      
26 A" 1379 1316 0.01      
27 A" 1338 1277 1.48      
28 A" 1309 1249 0.10      
29 A" 1253 1196 0.61      
30 A" 1196 1142 1.58      
31 A" 1087 1037 0.01      
32 A" 908 866 3.06      
33 A" 902 861 0.57      
34 A" 791 755 0.26      
35 A" 395 377 12.75      
36 A" 303 290 39.11      

Unscaled Zero Point Vibrational Energy (zpe) 28668.9 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 27364.4 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 MP2/3-21G
ABC
0.26211 0.15960 0.13482

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.503 0.663 0.000
H2 -1.919 1.086 0.835
H3 -1.919 1.086 -0.835
C4 0.561 -0.148 -1.095
H5 -0.044 -0.296 -1.992
H6 1.584 0.141 -1.355
C7 0.561 -0.148 1.095
H8 -0.044 -0.296 1.992
H9 1.584 0.141 1.355
C10 -0.024 0.822 0.000
H11 0.344 1.857 0.000
C12 0.561 -1.287 0.000
H13 1.390 -1.996 0.000
H14 -0.404 -1.793 0.000

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14
N11.02491.02492.47252.64863.41082.47252.64863.41081.48742.20012.83853.92882.6907
H21.02491.67093.37603.66334.23782.78192.60063.66502.08802.53323.53214.59833.3592
H31.02491.67092.78192.60063.66503.37603.66334.23782.08802.53323.53214.59833.3592
C42.47253.37602.78191.09181.09442.18943.14862.67011.57492.29501.57952.30252.1991
H52.64863.66332.60061.09181.80153.14863.98373.74682.28392.95882.30532.98552.5179
H63.41084.23783.66501.09441.80152.67013.74682.70932.20972.51332.21812.53793.0867
C72.47252.78193.37602.18943.14862.67011.09181.09441.57492.29501.57952.30252.1991
H82.64862.60063.66333.14863.98373.74681.09181.80152.28392.95882.30532.98552.5179
H93.41083.66504.23782.67013.74682.70931.09441.80152.20972.51332.21812.53793.0867
C101.48742.08802.08801.57492.28392.20971.57492.28392.20971.09942.18773.15242.6424
H112.20012.53322.53322.29502.95882.51332.29502.95882.51331.09943.15153.99293.7267
C122.83853.53213.53211.57952.30532.21811.57952.30532.21812.18773.15151.09121.0895
H133.92884.59834.59832.30252.98552.53792.30252.98552.53793.15243.99291.09121.8047
H142.69073.35923.35922.19912.51793.08672.19912.51793.08672.64243.72671.08951.8047

picture of Cyclobutylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C10 C4 107.654 N1 C10 C7 107.654
N1 C10 H11 115.713 H2 N1 H3 109.204
H2 N1 C10 111.084 H3 N1 C10 111.084
C4 C10 C7 88.073 C4 C10 H11 117.109
C4 C12 C7 87.749 C4 C12 H13 117.957
C4 C12 H14 109.594 H5 C4 H6 110.981
H5 C4 C10 116.681 H5 C4 C12 118.162
H6 C4 C10 110.454 H6 C4 C12 110.796
C7 C10 H11 117.109 C7 C12 H13 117.957
C7 C12 H14 109.594 H8 C7 H9 110.981
H8 C7 C10 116.681 H8 C7 C12 118.162
H9 C7 C10 110.454 H9 C7 C12 110.796
C10 C4 C12 87.824 C10 C7 C12 87.824
H13 C12 H14 111.709
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.651     -0.880
2 H 0.262     0.334
3 H 0.262     0.334
4 C -0.334     -0.391
5 H 0.178     0.123
6 H 0.181     0.103
7 C -0.334     -0.391
8 H 0.178     0.123
9 H 0.181     0.103
10 C -0.102     0.445
11 H 0.153     -0.046
12 C -0.363     0.108
13 H 0.170     0.017
14 H 0.217     0.017


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.126 1.401 0.000 1.407
CHELPG        
AIM        
ESP -0.147 1.394 0.000 1.401


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.108 -2.678 0.000
y -2.678 -32.134 0.000
z 0.000 0.000 -32.119
Traceless
 xyz
x 0.018 -2.678 0.000
y -2.678 -0.020 0.000
z 0.000 0.000 0.002
Polar
3z2-r20.004
x2-y20.026
xy-2.678
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.761 -0.397 0.000
y -0.397 6.067 0.000
z 0.000 0.000 6.580


<r2> (average value of r2) Å2
<r2> 113.893
(<r2>)1/2 10.672