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All results from a given calculation for C4H9N (Cyclobutylamine)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-211.880296
Energy at 298.15K-211.891621
HF Energy-211.137055
Nuclear repulsion energy188.347470
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**
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' 3554 3329 0.77      
2 A' 3246 3040 32.25      
3 A' 3211 3007 26.26      
4 A' 3168 2967 33.28      
5 A' 3146 2946 14.65      
6 A' 3072 2877 84.59      
7 A' 1690 1583 21.32      
8 A' 1561 1461 3.67      
9 A' 1533 1436 2.15      
10 A' 1430 1340 24.12      
11 A' 1333 1249 4.39      
12 A' 1277 1196 0.99      
13 A' 1196 1120 7.16      
14 A' 1124 1052 7.81      
15 A' 1002 938 10.49      
16 A' 931 872 29.38      
17 A' 909 851 41.98      
18 A' 860 805 57.27      
19 A' 680 636 1.73      
20 A' 416 389 4.32      
21 A' 212 199 2.01      
22 A" 3657 3425 0.11      
23 A" 3213 3009 11.57      
24 A" 3142 2942 57.60      
25 A" 1526 1429 0.61      
26 A" 1386 1298 0.11      
27 A" 1315 1232 0.58      
28 A" 1294 1212 0.14      
29 A" 1258 1178 0.38      
30 A" 1195 1119 0.87      
31 A" 1059 992 0.19      
32 A" 974 912 0.47      
33 A" 953 892 1.86      
34 A" 800 749 0.98      
35 A" 396 371 12.62      
36 A" 295 276 31.44      

Unscaled Zero Point Vibrational Energy (zpe) 29005.9 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 27164.0 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**
ABC
0.27589 0.16176 0.13631

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.478 0.721 0.000
H2 -1.835 1.216 0.812
H3 -1.835 1.216 -0.812
C4 0.542 -0.173 -1.070
H5 -0.056 -0.315 -1.970
H6 1.558 0.109 -1.351
C7 0.542 -0.173 1.070
H8 -0.056 -0.315 1.970
H9 1.558 0.109 1.351
C10 -0.018 0.788 0.000
H11 0.386 1.808 0.000
C12 0.542 -1.286 0.000
H13 1.369 -1.995 0.000
H14 -0.402 -1.824 0.000

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14
N11.01561.01562.45442.64113.37822.45442.64113.37821.46142.15702.84783.93462.7635
H21.01561.62333.33503.63964.17302.76582.61773.60952.03612.43763.54584.60833.4578
H31.01561.62332.76582.61773.60953.33503.63964.17302.03612.43763.54584.60833.4578
C42.45443.33502.76581.09001.09052.13923.10072.63981.54302.25691.54372.26882.1822
H52.64113.63962.61771.09001.77923.10073.93913.71592.25782.92972.27592.95482.5052
H63.37824.17303.60951.09051.77922.63983.71592.70172.18352.46712.19122.50753.0660
C72.45442.76583.33502.13923.10072.63981.09001.09051.54302.25691.54372.26882.1822
H82.64112.61773.63963.10073.93913.71591.09001.77922.25782.92972.27592.95482.5052
H93.37823.60954.17302.63983.71592.70171.09051.77922.18352.46712.19122.50753.0660
C101.46142.03612.03611.54302.25782.18351.54302.25782.18351.09722.14823.10932.6401
H112.15702.43762.43762.25692.92972.46712.25692.92972.46711.09723.09833.92853.7167
C122.84783.54583.54581.54372.27592.19121.54372.27592.19122.14823.09831.08881.0867
H133.93464.60834.60832.26882.95482.50752.26882.95482.50753.10933.92851.08881.7786
H142.76353.45783.45782.18222.50523.06602.18222.50523.06602.64013.71671.08671.7786

picture of Cyclobutylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C10 C4 109.529 N1 C10 C7 109.529
N1 C10 H11 114.175 H2 N1 H3 106.106
H2 N1 C10 109.255 H3 N1 C10 109.255
C4 C10 C7 87.762 C4 C10 H11 116.466
C4 C12 C7 87.715 C4 C12 H13 118.010
C4 C12 H14 110.919 H5 C4 H6 109.371
H5 C4 C10 117.026 H5 C4 C12 118.555
H6 C4 C10 110.843 H6 C4 C12 111.411
C7 C10 H11 116.466 C7 C12 H13 118.010
C7 C12 H14 110.919 H8 C7 H9 109.371
H8 C7 C10 117.026 H8 C7 C12 118.555
H9 C7 C10 110.843 H9 C7 C12 111.411
C10 C4 C12 88.208 C10 C7 C12 88.208
H13 C12 H14 109.680
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability