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

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-247.513268
Energy at 298.15K-247.522328
Nuclear repulsion energy217.051978
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/STO-3G
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 3524 3111 0.03      
2 A 3520 3109 0.07      
3 A 3517 3106 0.96      
4 A 3512 3101 0.52      
5 A 3481 3074 0.18      
6 A 3375 2981 0.76      
7 A 3369 2975 0.59      
8 A 3347 2956 0.32      
9 A 3342 2951 0.98      
10 A 2419 2136 9.55      
11 A 1691 1493 2.35      
12 A 1685 1488 4.22      
13 A 1676 1480 3.55      
14 A 1672 1477 7.60      
15 A 1659 1465 0.60      
16 A 1575 1391 0.53      
17 A 1563 1380 1.41      
18 A 1508 1331 1.36      
19 A 1457 1286 1.80      
20 A 1409 1245 5.04      
21 A 1385 1223 2.98      
22 A 1284 1133 2.51      
23 A 1239 1094 0.39      
24 A 1200 1059 6.68      
25 A 1142 1008 2.67      
26 A 1079 953 0.89      
27 A 1055 932 7.16      
28 A 968 855 0.19      
29 A 869 768 1.43      
30 A 824 727 4.87      
31 A 567 501 0.27      
32 A 545 481 1.49      
33 A 405 358 0.35      
34 A 323 286 0.36      
35 A 270 239 0.20      
36 A 213 189 0.17      
37 A 204 180 1.08      
38 A 165 145 3.16      
39 A 76 67 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 31557.3 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 27865.1 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/STO-3G
ABC
0.21221 0.07122 0.05714

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.548 -0.290 0.119
N2 -2.654 -0.684 -0.088
C3 -0.008 1.662 -0.154
H4 -0.139 1.697 -1.243
H5 -0.759 2.313 0.313
H6 0.990 2.046 0.094
C7 2.334 -0.439 0.085
H8 2.471 -0.443 1.175
H9 3.013 -1.185 -0.350
H10 2.622 0.548 -0.298
C11 0.875 -0.778 -0.284
H12 0.748 -0.754 -1.378
H13 0.640 -1.799 0.053
C14 -0.154 0.205 0.366
H15 0.003 0.202 1.462

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.19272.50152.79092.72623.44883.88564.15864.67134.27352.50412.78002.65901.49942.1094
N21.19273.53773.65143.56844.55684.99805.28465.69525.42223.53583.63973.48082.69203.2010
C32.50153.53771.09771.09771.09703.15583.51334.15552.85932.59802.81173.52771.55452.1782
H42.79093.65141.09771.78431.78453.52834.15244.36363.13652.84162.61033.80982.19483.0942
H52.72623.56841.09771.78431.78244.14644.33245.18623.86183.54613.81194.35092.19372.5212
H63.44884.55681.09701.78451.78242.82523.09113.83732.24912.85083.17163.86082.18432.4989
C73.88564.99803.15583.52834.14642.82521.09811.09791.09721.54352.18042.17322.58572.7823
H84.15865.28463.51334.15244.33243.09111.09811.77981.78112.18863.09502.54012.82262.5672
H94.67135.69524.15554.36365.18623.83731.09791.77981.77762.17742.52372.48393.53143.7764
H104.27355.42222.85933.13653.86182.24911.09721.78111.77762.19342.52413.09222.87453.1738
C112.50413.53582.59802.84163.54612.85081.54352.18862.17742.19341.10091.10111.56382.1832
H122.78003.63972.81172.61033.81193.17162.18043.09502.52372.52411.10091.77542.18433.0868
H132.65903.48083.52773.80984.35093.86082.17322.54012.48393.09221.10111.77542.17782.5282
C141.49942.69201.55452.19482.19372.18432.58572.82263.53142.87451.56382.18432.17781.1072
H152.10943.20102.17823.09422.52122.49892.78232.56723.77643.17382.18323.08682.52821.1072

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 109.976 C1 C14 C11 109.646
C1 C14 H15 107.083 N2 C1 C14 179.473
C3 C14 C11 112.846 C3 C14 H15 108.674
H4 C3 H5 108.733 H4 C3 H6 108.797
H4 C3 C14 110.513 H5 C3 H6 108.605
H5 C3 C14 110.418 H6 C3 C14 109.728
C7 C11 H12 109.956 C7 C11 H13 109.388
C7 C11 C14 112.642 H8 C7 H9 108.284
H8 C7 H10 108.452 H8 C7 C11 110.766
H9 C7 H10 108.153 H9 C7 C11 109.897
H10 C7 C11 111.199 C11 C14 H15 108.434
H12 C11 H13 107.469 H12 C11 C14 108.870
H13 C11 C14 108.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.057      
2 N -0.195      
3 C -0.223      
4 H 0.088      
5 H 0.090      
6 H 0.086      
7 C -0.228      
8 H 0.078      
9 H 0.083      
10 H 0.079      
11 C -0.130      
12 H 0.083      
13 H 0.085      
14 C -0.055      
15 H 0.102      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.080 1.022 0.403 3.270
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.154 -2.965 -0.699
y -2.965 -34.815 -0.103
z -0.699 -0.103 -34.171
Traceless
 xyz
x -9.662 -2.965 -0.699
y -2.965 4.348 -0.103
z -0.699 -0.103 5.314
Polar
3z2-r210.627
x2-y2-9.340
xy-2.965
xz-0.699
yz-0.103


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.719 0.452 0.212
y 0.452 3.947 0.083
z 0.212 0.083 3.453


<r2> (average value of r2) Å2
<r2> 201.739
(<r2>)1/2 14.203