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: HF/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-211.198756
Energy at 298.15K-211.210184
Nuclear repulsion energy188.122457
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/cc-pVTZ
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' 3711 3378 0.03      
2 A' 3252 2959 85.57      
3 A' 3219 2929 22.62      
4 A' 3201 2913 43.68      
5 A' 3182 2896 47.50      
6 A' 3121 2840 91.38      
7 A' 1789 1628 27.56      
8 A' 1629 1483 3.56      
9 A' 1596 1453 1.90      
10 A' 1512 1376 27.84      
11 A' 1419 1291 2.74      
12 A' 1343 1222 2.21      
13 A' 1262 1148 13.68      
14 A' 1157 1053 9.16      
15 A' 1019 927 6.84      
16 A' 953 868 33.61      
17 A' 944 859 72.11      
18 A' 874 795 34.37      
19 A' 724 659 0.81      
20 A' 430 391 4.87      
21 A' 160 146 1.11      
22 A" 3789 3448 0.96      
23 A" 3224 2934 19.74      
24 A" 3178 2892 94.38      
25 A" 1592 1449 1.92      
26 A" 1468 1336 0.60      
27 A" 1391 1266 0.17      
28 A" 1378 1255 0.57      
29 A" 1324 1205 0.61      
30 A" 1271 1156 0.23      
31 A" 1111 1011 0.15      
32 A" 999 909 0.21      
33 A" 982 894 2.57      
34 A" 822 748 0.14      
35 A" 419 381 8.94      
36 A" 293 266 29.60      

Unscaled Zero Point Vibrational Energy (zpe) 29868.2 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 27183.1 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/cc-pVTZ
ABC
0.28388 0.15860 0.13143

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.407 0.914 0.000
H2 -1.715 1.419 0.805
H3 -1.715 1.419 -0.805
C4 0.496 -0.236 -1.076
H5 -0.160 -0.363 -1.927
H6 1.495 -0.015 -1.430
C7 0.496 -0.236 1.076
H8 -0.160 -0.363 1.927
H9 1.495 -0.015 1.430
C10 0.037 0.770 0.000
H11 0.558 1.725 0.000
C12 0.496 -1.343 0.000
H13 1.329 -2.033 0.000
H14 -0.426 -1.906 0.000

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14
N10.99880.99882.46962.62713.36572.46962.62713.36571.45132.12542.95214.02112.9861
H20.99881.60953.34093.61384.16582.77482.61843.57062.03432.43033.62834.67223.6562
H30.99881.60952.77482.61843.57063.34093.61384.16582.03432.43033.62834.67223.6562
C42.46963.34092.77481.08211.08312.15103.07612.70681.54262.23711.54362.25392.1901
H52.62713.61382.61841.08211.76223.07613.85453.75932.24452.93052.25922.95262.4833
H63.36574.16583.57061.08311.76222.70683.75932.86082.18792.43912.19292.47933.0518
C72.46962.77483.34092.15103.07612.70681.08211.08311.54262.23711.54362.25392.1901
H82.62712.61843.61383.07613.85453.75931.08211.76222.24452.93052.25922.95262.4833
H93.36573.57064.16582.70683.75932.86081.08311.76222.18792.43912.19292.47933.0518
C101.45132.03432.03431.54262.24452.18791.54262.24452.18791.08712.16273.08662.7165
H112.12542.43032.43032.23712.93052.43912.23712.93052.43911.08713.06843.83593.7619
C122.95213.62833.62831.54362.25922.19291.54362.25922.19292.16273.06841.08171.0802
H134.02114.67224.67222.25392.95262.47932.25392.95262.47933.08663.83591.08171.7594
H142.98613.65623.65622.19012.48333.05182.19012.48333.05182.71653.76191.08021.7594

picture of Cyclobutylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C10 C4 111.120 N1 C10 C7 111.120
N1 C10 H11 112.935 H2 N1 H3 107.357
H2 N1 C10 110.914 H3 N1 C10 110.914
C4 C10 C7 88.408 C4 C10 H11 115.488
C4 C12 C7 88.338 C4 C12 H13 117.225
C4 C12 H14 111.960 H5 C4 H6 108.948
H5 C4 C10 116.457 H5 C4 C12 117.654
H6 C4 C10 111.673 H6 C4 C12 112.010
C7 C10 H11 115.488 C7 C12 H13 117.225
C7 C12 H14 111.960 H8 C7 H9 108.948
H8 C7 C10 116.457 H8 C7 C12 117.654
H9 C7 C10 111.673 H9 C7 C12 112.010
C10 C4 C12 88.976 C10 C7 C12 88.976
H13 C12 H14 108.948
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.400 -0.920 -1.186 -0.903
2 H 0.141 0.320 0.358 0.315
3 H 0.141 0.320 0.358 0.315
4 C -0.218 -0.193 0.116 -0.259
5 H 0.103 0.048 -0.058 0.068
6 H 0.102 0.029 -0.065 0.051
7 C -0.218 -0.193 0.116 -0.259
8 H 0.103 0.048 -0.058 0.068
9 H 0.102 0.029 -0.065 0.051
10 C 0.033 0.539 0.536 0.566
11 H 0.100 -0.118 -0.089 -0.118
12 C -0.198 0.138 0.128 0.129
13 H 0.110 -0.031 -0.067 -0.016
14 H 0.100 -0.017 -0.043 -0.007


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.328 1.189 0.000 1.234
CHELPG        
AIM -0.528 0.063 0.000 0.532
ESP 0.317 1.176 0.000 1.218


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.890 -2.129 0.000
y -2.129 -31.040 0.000
z 0.000 0.000 -31.679
Traceless
 xyz
x -1.531 -2.129 0.000
y -2.129 1.245 0.000
z 0.000 0.000 0.286
Polar
3z2-r20.572
x2-y2-1.851
xy-2.129
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.406 -0.523 0.000
y -0.523 7.546 0.000
z 0.000 0.000 7.609


<r2> (average value of r2) Å2
<r2> 113.484
(<r2>)1/2 10.653