return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H9N (Cyclobutylamine)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-212.440733
Energy at 298.15K-212.451931
Nuclear repulsion energy188.389784
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 B1B95/6-31G*
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' 3507 3329 1.96      
2 A' 3183 3022 43.56      
3 A' 3149 2989 27.60      
4 A' 3118 2960 36.33      
5 A' 3098 2941 16.36      
6 A' 3005 2853 100.47      
7 A' 1697 1611 23.16      
8 A' 1532 1455 4.12      
9 A' 1502 1426 2.71      
10 A' 1407 1336 25.37      
11 A' 1315 1248 5.00      
12 A' 1260 1196 1.68      
13 A' 1180 1120 9.12      
14 A' 1108 1052 7.49      
15 A' 994 943 8.09      
16 A' 912 865 6.37      
17 A' 897 851 86.46      
18 A' 840 797 46.94      
19 A' 668 634 1.46      
20 A' 400 380 4.77      
21 A' 191 181 1.65      
22 A" 3597 3415 0.02      
23 A" 3152 2993 9.89      
24 A" 3094 2937 71.27      
25 A" 1493 1417 1.40      
26 A" 1370 1301 0.15      
27 A" 1294 1229 0.80      
28 A" 1275 1210 0.09      
29 A" 1243 1180 0.49      
30 A" 1178 1118 0.86      
31 A" 1047 994 0.21      
32 A" 971 922 0.81      
33 A" 945 897 1.79      
34 A" 782 742 1.14      
35 A" 391 371 14.18      
36 A" 289 275 30.86      

Unscaled Zero Point Vibrational Energy (zpe) 28541.1 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 27094.1 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 B1B95/6-31G*
ABC
0.27855 0.16141 0.13534

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.455 0.776 0.000
H2 -1.800 1.278 0.813
H3 -1.800 1.278 -0.813
C4 0.528 -0.192 -1.069
H5 -0.093 -0.332 -1.957
H6 1.542 0.073 -1.379
C7 0.528 -0.192 1.069
H8 -0.093 -0.332 1.957
H9 1.542 0.073 1.379
C10 -0.001 0.784 0.000
H11 0.445 1.790 0.000
C12 0.528 -1.300 0.000
H13 1.357 -2.010 0.000
H14 -0.416 -1.843 0.000

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14
N11.01581.01582.45202.62943.37282.45202.62943.37281.45412.15352.87043.95822.8175
H21.01581.62623.33483.63044.17382.76482.61033.59672.03482.44153.56664.62973.5093
H31.01581.62622.76482.61033.59673.33483.63044.17382.03482.44153.56664.62973.5093
C42.45203.33482.76481.09271.09282.13823.09262.66281.54122.25351.53922.26612.1820
H52.62943.63042.61031.09271.78083.09263.91463.73722.25502.93652.26992.95782.4939
H63.37284.17383.59671.09281.78082.66283.73722.75762.18782.46002.19392.50533.0674
C72.45202.76483.33482.13823.09262.66281.09271.09281.54122.25351.53922.26612.1820
H82.62942.61033.63043.09263.91463.73721.09271.78082.25502.93652.26992.95782.4939
H93.37283.59674.17382.66283.73722.75761.09281.78082.18782.46002.19392.50533.0674
C101.45412.03482.03481.54122.25502.18781.54122.25502.18781.10032.14943.10652.6598
H112.15352.44152.44152.25352.93652.46002.25352.93652.46001.10033.09043.90803.7338
C122.87043.56663.56661.53922.26992.19391.53922.26992.19392.14943.09041.09171.0898
H133.95824.62974.62972.26612.95782.50532.26612.95782.50533.10653.90801.09171.7809
H142.81753.50933.50932.18202.49393.06742.18202.49393.06742.65983.73381.08981.7809

picture of Cyclobutylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C10 C4 109.859 N1 C10 C7 109.859
N1 C10 H11 114.215 H2 N1 H3 106.350
H2 N1 C10 109.666 H3 N1 C10 109.666
C4 C10 C7 87.842 C4 C10 H11 116.101
C4 C12 C7 87.988 C4 C12 H13 117.933
C4 C12 H14 111.038 H5 C4 H6 109.140
H5 C4 C10 116.738 H5 C4 C12 118.195
H6 C4 C10 111.177 H6 C4 C12 111.810
C7 C10 H11 116.101 C7 C12 H13 117.933
C7 C12 H14 111.038 H8 C7 H9 109.140
H8 C7 C10 116.738 H8 C7 C12 118.195
H9 C7 C10 111.177 H9 C7 C12 111.810
C10 C4 C12 88.497 C10 C7 C12 88.497
H13 C12 H14 109.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.737      
2 H 0.309      
3 H 0.309      
4 C -0.302      
5 H 0.155      
6 H 0.154      
7 C -0.302      
8 H 0.155      
9 H 0.154      
10 C -0.050      
11 H 0.131      
12 C -0.307      
13 H 0.153      
14 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.142 1.319 0.000 1.327
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.722 -2.595 0.000
y -2.595 -30.472 0.000
z 0.000 0.000 -30.949
Traceless
 xyz
x -1.011 -2.595 0.000
y -2.595 0.863 0.000
z 0.000 0.000 0.148
Polar
3z2-r20.296
x2-y2-1.250
xy-2.595
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.140 -0.491 0.000
y -0.491 6.736 0.000
z 0.000 0.000 7.004


<r2> (average value of r2) Å2
<r2> 111.805
(<r2>)1/2 10.574