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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-210.425199
HF Energy-209.944250
Nuclear repulsion energy185.897442
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 3243 3.32      
2 A' 3222 3065 24.54      
3 A' 3181 3026 20.28      
4 A' 3143 2990 26.73      
5 A' 3117 2965 17.76      
6 A' 3038 2890 78.37      
7 A' 1748 1663 14.21      
8 A' 1584 1507 4.07      
9 A' 1564 1488 3.33      
10 A' 1424 1354 16.27      
11 A' 1322 1258 10.33      
12 A' 1272 1210 0.66      
13 A' 1167 1110 1.81      
14 A' 1083 1031 13.36      
15 A' 947 901 9.90      
16 A' 926 881 0.30      
17 A' 861 819 5.14      
18 A' 794 755 145.29      
19 A' 675 642 6.58      
20 A' 412 392 4.32      
21 A' 225 214 2.95      
22 A" 3511 3340 0.67      
23 A" 3183 3028 12.63      
24 A" 3112 2961 41.10      
25 A" 1560 1484 1.76      
26 A" 1379 1311 0.01      
27 A" 1338 1273 1.48      
28 A" 1309 1245 0.10      
29 A" 1253 1192 0.61      
30 A" 1196 1138 1.58      
31 A" 1087 1034 0.01      
32 A" 908 863 3.06      
33 A" 902 858 0.57      
34 A" 791 753 0.26      
35 A" 395 376 12.75      
36 A" 303 289 39.11      

Unscaled Zero Point Vibrational Energy (zpe) 28668.9 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 27272.7 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