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All results from a given calculation for C4H9N (Cyclobutylamine)

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-36.740053
Energy at 298.15K-36.751347
Nuclear repulsion energy104.510857
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 HF/CEP-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' 3772 3400 0.18      
2 A' 3327 2999 173.64      
3 A' 3291 2966 34.39      
4 A' 3258 2937 54.45      
5 A' 3234 2915 82.86      
6 A' 3175 2862 119.92      
7 A' 1824 1644 44.26      
8 A' 1644 1482 4.26      
9 A' 1616 1456 2.80      
10 A' 1512 1363 31.01      
11 A' 1434 1293 3.49      
12 A' 1345 1212 2.14      
13 A' 1259 1135 10.72      
14 A' 1162 1048 10.56      
15 A' 1023 922 0.55      
16 A' 954 860 5.45      
17 A' 901 812 14.13      
18 A' 767 691 93.68      
19 A' 713 643 169.42      
20 A' 432 389 7.07      
21 A' 144 130 1.24      
22 A" 3898 3514 1.40      
23 A" 3299 2973 18.59      
24 A" 3233 2914 135.51      
25 A" 1613 1454 3.62      
26 A" 1468 1323 1.75      
27 A" 1417 1278 0.09      
28 A" 1390 1253 1.83      
29 A" 1323 1193 1.60      
30 A" 1275 1149 0.15      
31 A" 1112 1003 0.02      
32 A" 1027 925 1.51      
33 A" 989 891 4.93      
34 A" 837 754 0.21      
35 A" 416 375 7.64      
36 A" 265 239 41.45      

Unscaled Zero Point Vibrational Energy (zpe) 30173.2 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 27198.1 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 HF/CEP-31G
ABC
0.27731 0.15464 0.12753

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.382 0.973 0.000
H2 -1.757 1.387 0.833
H3 -1.757 1.387 -0.833
C4 0.498 -0.257 -1.093
H5 -0.192 -0.377 -1.924
H6 1.494 -0.057 -1.485
C7 0.498 -0.257 1.093
H8 -0.192 -0.377 1.924
H9 1.494 -0.057 1.485
C10 0.074 0.774 0.000
H11 0.628 1.716 0.000
C12 0.498 -1.377 0.000
H13 1.342 -2.064 0.000
H14 -0.424 -1.951 0.000

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14
N11.00331.00332.49892.63453.39762.49892.63453.39761.47032.14313.00984.07943.0773
H21.00331.66663.39153.62844.24692.80342.59853.61732.10372.54773.66384.71253.6904
H31.00331.66662.80342.59853.61733.39153.62844.24692.10372.54773.66384.71253.6904
C42.49893.39152.80341.08701.08942.18603.09722.77151.56152.25951.56472.27352.2166
H52.63453.62842.59851.08701.77203.09723.84773.81722.25802.95902.27542.98302.4963
H63.39764.24693.61731.08941.77202.77153.81722.97092.21672.47002.22292.50113.0778
C72.49892.80343.39152.18603.09722.77151.08701.08941.56152.25951.56472.27352.2166
H82.63452.59853.62843.09723.84773.81721.08701.77202.25802.95902.27542.98302.4963
H93.39763.61734.24692.77153.81722.97091.08941.77202.21672.47002.22292.50113.0778
C101.47032.10372.10371.56152.25802.21671.56152.25802.21671.09222.19263.10792.7706
H112.14312.54772.54772.25952.95902.47002.25952.95902.47001.09223.09573.84633.8148
C123.00983.66383.66381.56472.27542.22291.56472.27542.22292.19263.09571.08771.0859
H134.07944.71254.71252.27352.98302.50112.27352.98302.50113.10793.84631.08771.7690
H143.07733.69043.69042.21662.49633.07782.21662.49633.07782.77063.81481.08591.7690

picture of Cyclobutylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C10 C4 110.985 N1 C10 C7 110.985
N1 C10 H11 112.672 H2 N1 H3 112.310
H2 N1 C10 115.215 H3 N1 C10 115.215
C4 C10 C7 88.849 C4 C10 H11 115.601
C4 C12 C7 88.617 C4 C12 H13 116.848
C4 C12 H14 112.230 H5 C4 H6 109.018
H5 C4 C10 115.825 H5 C4 C12 117.062
H6 C4 C10 112.264 H6 C4 C12 112.531
C7 C10 H11 115.601 C7 C12 H13 116.848
C7 C12 H14 112.230 H8 C7 H9 109.018
H8 C7 C10 115.825 H8 C7 C12 117.062
H9 C7 C10 112.264 H9 C7 C12 112.531
C10 C4 C12 89.072 C10 C7 C12 89.072
H13 C12 H14 108.950
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.697      
2 H 0.270      
3 H 0.270      
4 C -0.234      
5 H 0.120      
6 H 0.091      
7 C -0.234      
8 H 0.120      
9 H 0.091      
10 C 0.024      
11 H 0.142      
12 C -0.189      
13 H 0.117      
14 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.389 1.248 0.000 1.307
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.527 -2.331 0.000
y -2.331 -31.259 0.000
z 0.000 0.000 -31.522
Traceless
 xyz
x -1.137 -2.331 0.000
y -2.331 0.766 0.000
z 0.000 0.000 0.371
Polar
3z2-r20.742
x2-y2-1.268
xy-2.331
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.365 -0.490 0.000
y -0.490 6.590 0.000
z 0.000 0.000 6.992


<r2> (average value of r2) Å2
<r2> 98.646
(<r2>)1/2 9.932