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All results from a given calculation for C5H9N (Butanenitrile, 2-methyl-)

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-247.933753
Energy at 298.15K-247.943316
Nuclear repulsion energy220.906706
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 LSDA/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 3089 3033 6.90      
2 A 3081 3026 8.17      
3 A 3074 3019 13.99      
4 A 3066 3011 18.87      
5 A 3033 2979 1.34      
6 A 2997 2943 7.18      
7 A 2992 2938 15.44      
8 A 2984 2930 5.59      
9 A 2964 2911 1.01      
10 A 2305 2264 6.08      
11 A 1513 1486 10.00      
12 A 1499 1472 18.03      
13 A 1494 1467 17.19      
14 A 1489 1462 15.21      
15 A 1473 1447 3.04      
16 A 1402 1377 18.88      
17 A 1388 1363 19.74      
18 A 1351 1326 0.08      
19 A 1319 1295 0.78      
20 A 1303 1279 0.34      
21 A 1265 1243 0.15      
22 A 1174 1153 2.81      
23 A 1136 1116 0.87      
24 A 1118 1098 10.91      
25 A 1057 1038 1.16      
26 A 1000 982 5.64      
27 A 979 961 14.68      
28 A 912 896 2.02      
29 A 820 805 1.35      
30 A 771 757 8.30      
31 A 605 594 0.28      
32 A 574 564 1.38      
33 A 402 394 0.96      
34 A 341 335 0.13      
35 A 310 304 0.19      
36 A 229 225 0.21      
37 A 215 211 1.33      
38 A 177 174 3.23      
39 A 80 79 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 28490.1 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 27977.3 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 LSDA/3-21G*
ABC
0.22278 0.07431 0.05993

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.512 -0.272 0.124
N2 -2.601 -0.641 -0.095
C3 0.011 1.611 -0.154
H4 -0.121 1.619 -1.250
H5 -0.728 2.295 0.297
H6 1.023 1.979 0.086
C7 2.278 -0.417 0.077
H8 2.416 -0.401 1.174
H9 2.984 -1.153 -0.346
H10 2.551 0.577 -0.319
C11 0.845 -0.780 -0.276
H12 0.691 -0.751 -1.372
H13 0.619 -1.810 0.061
C14 -0.162 0.185 0.373
H15 0.011 0.177 1.471

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.17002.43872.72122.68993.39153.79354.06854.60604.17472.44412.70652.62871.44672.0819
N21.17003.44963.54873.50444.47594.88695.18075.61395.29833.45283.53273.42892.61663.1531
C32.43873.44961.10461.10281.10323.05053.40554.06372.74702.53562.74353.48111.53062.1675
H42.72123.54871.10461.79411.79543.41494.04924.25913.01502.76392.50833.74482.16683.0829
H52.68993.50441.10281.79411.79164.05434.23355.10633.75223.50083.75174.32602.18562.5318
H63.39154.47591.10321.79541.79162.70532.96543.72042.11292.78913.11293.81072.17022.4890
C73.79354.88693.05053.41494.05432.70531.10611.10361.10431.52012.17422.16592.53112.7273
H84.06855.18073.40554.04924.23352.96541.10611.78801.79022.17163.09512.54002.76322.4919
H94.60605.61394.06374.25915.10633.72041.10361.78801.78322.17292.54382.48823.49393.7296
H104.17475.29832.74703.01503.75222.11291.10431.79021.78322.18072.51573.09382.82763.1333
C112.44413.45282.53562.76393.50082.78911.52012.17162.17292.18071.10731.10621.53842.1593
H122.70653.53272.74352.50833.75173.11292.17423.09512.54382.51571.10731.78332.15653.0671
H132.62873.42893.48113.74484.32603.81072.16592.54002.48823.09381.10621.78332.16462.5105
C141.44672.61661.53062.16682.18562.17022.53112.76323.49392.82761.53842.15652.16461.1115
H152.08193.15312.16753.08292.53182.48902.72732.49193.72963.13332.15933.06712.51051.1115

picture of Butanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C14 C3 109.959 C1 C14 C11 109.879
C1 C14 H15 108.230 N2 C1 C14 179.062
C3 C14 C11 111.414 C3 C14 H15 109.219
H4 C3 H5 108.733 H4 C3 H6 108.826
H4 C3 C14 109.562 H5 C3 H6 108.614
H5 C3 C14 111.147 H6 C3 C14 109.912
C7 C11 H12 110.705 C7 C11 H13 110.112
C7 C11 C14 111.695 H8 C7 H9 108.025
H8 C7 H10 108.166 H8 C7 C11 110.567
H9 C7 H10 107.731 H9 C7 C11 110.821
H10 C7 C11 111.401 C11 C14 H15 108.063
H12 C11 H13 107.345 H12 C11 C14 108.083
H13 C11 C14 108.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.356      
2 N -0.447      
3 C -0.596      
4 H 0.231      
5 H 0.237      
6 H 0.227      
7 C -0.634      
8 H 0.216      
9 H 0.227      
10 H 0.219      
11 C -0.393      
12 H 0.229      
13 H 0.235      
14 C -0.372      
15 H 0.266      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.630 1.130 0.467 3.831
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.376 -3.369 -0.831
y -3.369 -36.925 -0.122
z -0.831 -0.122 -36.569
Traceless
 xyz
x -10.629 -3.369 -0.831
y -3.369 5.047 -0.122
z -0.831 -0.122 5.581
Polar
3z2-r211.163
x2-y2-10.451
xy-3.369
xz-0.831
yz-0.122


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.648 0.382 0.274
y 0.382 7.220 0.106
z 0.274 0.106 6.382


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000