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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-250.611383
Energy at 298.15K-250.620819
Nuclear repulsion energy219.765455
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 B3PW91/6-31G**
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 3162 3030 15.45      
2 A 3155 3024 16.10      
3 A 3144 3013 30.75      
4 A 3136 3005 31.42      
5 A 3106 2977 5.39      
6 A 3070 2942 13.57      
7 A 3063 2936 24.63      
8 A 3056 2929 15.86      
9 A 3044 2917 3.43      
10 A 2369 2271 11.56      
11 A 1519 1455 3.50      
12 A 1512 1449 9.09      
13 A 1508 1445 6.56      
14 A 1501 1439 9.37      
15 A 1493 1431 0.25      
16 A 1423 1364 2.80      
17 A 1418 1359 5.67      
18 A 1383 1326 0.35      
19 A 1348 1292 1.32      
20 A 1318 1264 2.38      
21 A 1284 1231 1.25      
22 A 1188 1138 2.51      
23 A 1144 1097 0.19      
24 A 1118 1071 6.21      
25 A 1057 1013 1.27      
26 A 1002 960 1.58      
27 A 976 936 6.09      
28 A 906 869 0.42      
29 A 815 781 0.62      
30 A 769 737 3.93      
31 A 568 545 0.13      
32 A 540 518 1.20      
33 A 397 381 0.31      
34 A 327 313 0.68      
35 A 279 267 0.10      
36 A 224 215 0.13      
37 A 207 199 2.28      
38 A 163 156 5.49      
39 A 86 82 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 28887.8 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 27686.0 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 B3PW91/6-31G**
ABC
0.21561 0.07346 0.05868

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.521 -0.299 0.114
N2 -2.594 -0.696 -0.085
C3 -0.040 1.650 -0.148
H4 -0.156 1.693 -1.235
H5 -0.806 2.286 0.302
H6 0.938 2.060 0.113
C7 2.314 -0.423 0.080
H8 2.464 -0.398 1.165
H9 2.992 -1.176 -0.329
H10 2.622 0.546 -0.324
C11 0.869 -0.762 -0.273
H12 0.734 -0.761 -1.361
H13 0.639 -1.779 0.065
C14 -0.163 0.202 0.353
H15 -0.019 0.197 1.443

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.16142.46162.76682.68923.40773.83674.12264.61914.25102.46452.73372.61861.46772.0663
N21.16143.46823.60253.49894.48464.91815.21905.61235.36733.46833.56463.41282.62903.1250
C32.46163.46821.09411.09281.09263.14433.49124.14922.88722.58042.80723.50161.53652.1552
H42.76683.60251.09411.77111.77443.50794.12314.35513.14052.82942.61343.79202.17873.0716
H52.68923.49891.09281.77111.76904.13744.31785.17843.89493.52543.79754.32092.18162.5080
H63.40774.48461.09261.77441.76902.83803.07813.85842.30572.84913.18903.85062.17242.4815
C73.83674.91813.14433.50794.13742.83801.09581.09391.09401.52602.16532.15512.56842.7717
H84.12265.21903.49124.12314.31783.07811.09581.76621.77022.17893.08392.53982.81412.5682
H94.61915.61234.14924.35515.17843.85841.09391.76621.76202.16462.51792.46113.51013.7544
H104.25105.36732.88723.14053.89492.30571.09401.77021.76202.18852.52003.08062.88633.1969
C112.46453.46832.58042.82943.52542.84911.52602.17892.16462.18851.09671.09561.54472.1571
H122.73373.56462.80722.61343.79753.18902.16533.08392.51792.52001.09671.75492.16133.0577
H132.61863.41283.50163.79204.32093.85062.15512.53982.46113.08061.09561.75492.15682.4972
C141.46772.62901.53652.17872.18162.17242.56842.81413.51012.88631.54472.16132.15681.0995
H152.06633.12502.15523.07162.50802.48152.77172.56823.75443.19692.15713.05772.49721.0995

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 110.025 C1 C14 C11 109.765
C1 C14 H15 106.312 N2 C1 C14 179.506
C3 C14 C11 113.746 C3 C14 H15 108.556
H4 C3 H5 108.167 H4 C3 H6 108.477
H4 C3 C14 110.713 H5 C3 H6 108.085
H5 C3 C14 111.011 H6 C3 C14 110.296
C7 C11 H12 110.229 C7 C11 H13 109.493
C7 C11 C14 113.530 H8 C7 H9 107.522
H8 C7 H10 107.877 H8 C7 C11 111.366
H9 C7 H10 107.281 H9 C7 C11 110.335
H10 C7 C11 112.250 C11 C14 H15 108.144
H12 C11 H13 106.353 H12 C11 C14 108.628
H13 C11 C14 108.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.356      
2 N -0.494      
3 C -0.381      
4 H 0.150      
5 H 0.154      
6 H 0.143      
7 C -0.398      
8 H 0.134      
9 H 0.142      
10 H 0.137      
11 C -0.232      
12 H 0.144      
13 H 0.149      
14 C -0.177      
15 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.865 1.314 0.486 4.111
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.875 -3.828 -0.849
y -3.828 -36.803 -0.114
z -0.849 -0.114 -36.262
Traceless
 xyz
x -11.342 -3.828 -0.849
y -3.828 5.265 -0.114
z -0.849 -0.114 6.077
Polar
3z2-r212.154
x2-y2-11.072
xy-3.828
xz-0.849
yz-0.114


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


<r2> (average value of r2) Å2
<r2> 199.033
(<r2>)1/2 14.108