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All results from a given calculation for C4H9N (Cyclobutylamine)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-211.996025
Energy at 298.15K-212.007276
HF Energy-211.147679
Nuclear repulsion energy188.232192
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 MP2/6-31G(2df,p)
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' 3537 3341 0.15      
2 A' 3225 3046 22.47      
3 A' 3191 3014 17.94      
4 A' 3148 2973 26.13      
5 A' 3126 2953 11.47      
6 A' 3061 2891 68.36      
7 A' 1670 1577 21.36      
8 A' 1523 1438 4.14      
9 A' 1495 1412 2.47      
10 A' 1405 1327 21.79      
11 A' 1301 1229 5.79      
12 A' 1258 1188 1.30      
13 A' 1177 1112 7.26      
14 A' 1112 1050 8.28      
15 A' 993 938 11.59      
16 A' 917 866 29.72      
17 A' 898 848 38.83      
18 A' 849 802 48.83      
19 A' 664 627 1.13      
20 A' 403 381 4.48      
21 A' 203 191 1.63      
22 A" 3634 3433 2.09      
23 A" 3194 3016 8.29      
24 A" 3122 2949 46.62      
25 A" 1488 1405 1.60      
26 A" 1363 1287 0.07      
27 A" 1289 1218 0.55      
28 A" 1271 1200 0.09      
29 A" 1240 1171 0.70      
30 A" 1174 1108 0.76      
31 A" 1045 987 0.14      
32 A" 964 910 0.49      
33 A" 942 889 1.83      
34 A" 785 741 0.90      
35 A" 391 369 10.71      
36 A" 290 274 26.19      

Unscaled Zero Point Vibrational Energy (zpe) 28671.8 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 27080.5 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 MP2/6-31G(2df,p)
ABC
0.27476 0.16197 0.13638

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.475 0.717 0.000
H2 -1.835 1.213 0.810
H3 -1.835 1.213 -0.810
C4 0.542 -0.171 -1.072
H5 -0.060 -0.313 -1.970
H6 1.558 0.109 -1.356
C7 0.542 -0.171 1.072
H8 -0.060 -0.313 1.970
H9 1.558 0.109 1.356
C10 -0.017 0.791 0.000
H11 0.381 1.813 0.000
C12 0.542 -1.287 0.000
H13 1.369 -1.995 0.000
H14 -0.404 -1.825 0.000

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14
N11.01521.01522.45112.63543.37802.45112.63543.37801.45982.15592.84323.93062.7583
H21.01521.61943.33253.63394.17372.76272.61223.60962.03362.43413.54284.60593.4540
H31.01521.61942.76272.61223.60963.33253.63394.17372.03362.43413.54284.60593.4540
C42.45113.33252.76271.09081.09152.14443.10492.64681.54542.26091.54722.27212.1859
H52.63543.63392.61221.09081.78213.10493.94073.72292.25902.93212.27882.95922.5069
H63.37804.17373.60961.09151.78212.64683.72292.71132.18782.47552.19472.51003.0699
C72.45112.76273.33252.14443.10492.64681.09081.09151.54542.26091.54722.27212.1859
H82.63542.61223.63393.10493.94073.72291.09081.78212.25902.93212.27882.95922.5069
H93.37803.60964.17372.64683.72292.71131.09151.78212.18782.47552.19472.51003.0699
C101.45982.03362.03361.54542.25902.18781.54542.25902.18781.09692.15163.11252.6440
H112.15592.43412.43412.26092.93212.47552.26092.93212.47551.09693.10363.93453.7212
C122.84323.54283.54281.54722.27882.19471.54722.27882.19472.15163.10361.08951.0880
H133.93064.60594.60592.27212.95922.51002.27212.95922.51003.11253.93451.08951.7812
H142.75833.45403.45402.18592.50693.06992.18592.50693.06992.64403.72121.08801.7812

picture of Cyclobutylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C10 C4 109.266 N1 C10 C7 109.266
N1 C10 H11 114.219 H2 N1 H3 105.791
H2 N1 C10 109.180 H3 N1 C10 109.180
C4 C10 C7 87.865 C4 C10 H11 116.642
C4 C12 C7 87.734 C4 C12 H13 117.975
C4 C12 H14 110.888 H5 C4 H6 109.501
H5 C4 C10 116.897 H5 C4 C12 118.472
H6 C4 C10 110.962 H6 C4 C12 111.386
C7 C10 H11 116.642 C7 C12 H13 117.975
C7 C12 H14 110.888 H8 C7 H9 109.501
H8 C7 C10 116.897 H8 C7 C12 118.472
H9 C7 C10 110.962 H9 C7 C12 111.386
C10 C4 C12 88.168 C10 C7 C12 88.168
H13 C12 H14 109.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability