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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-249.192566
Energy at 298.15K-249.202244
Nuclear repulsion energy220.251885
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 B1B95/3-21G
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 3170 3033 14.47      
2 A 3161 3024 14.14      
3 A 3153 3017 34.24      
4 A 3144 3008 21.26      
5 A 3121 2986 1.26      
6 A 3083 2949 6.08      
7 A 3081 2948 19.26      
8 A 3071 2938 1.75      
9 A 3070 2937 11.40      
10 A 2359 2257 4.87      
11 A 1581 1513 6.67      
12 A 1560 1492 13.17      
13 A 1556 1489 16.87      
14 A 1553 1485 6.47      
15 A 1536 1469 2.18      
16 A 1464 1400 9.31      
17 A 1450 1387 10.83      
18 A 1400 1339 0.42      
19 A 1366 1307 0.60      
20 A 1353 1294 0.36      
21 A 1311 1254 0.07      
22 A 1208 1155 2.30      
23 A 1156 1106 0.43      
24 A 1150 1100 11.87      
25 A 1049 1004 1.27      
26 A 1019 975 2.41      
27 A 999 956 10.63      
28 A 915 876 0.44      
29 A 834 798 1.95      
30 A 782 748 4.90      
31 A 614 588 0.30      
32 A 576 551 1.50      
33 A 404 386 0.61      
34 A 343 328 0.16      
35 A 330 316 0.39      
36 A 226 216 0.27      
37 A 219 210 1.24      
38 A 183 175 3.62      
39 A 82 78 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 29315.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 28046.0 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 B1B95/3-21G
ABC
0.21939 0.07368 0.05925

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.520 -0.286 0.123
N2 -2.599 -0.663 -0.093
C3 -0.013 1.630 -0.155
H4 -0.136 1.639 -1.241
H5 -0.763 2.287 0.291
H6 0.978 2.015 0.095
C7 2.301 -0.416 0.081
H8 2.433 -0.402 1.168
H9 2.991 -1.155 -0.336
H10 2.581 0.564 -0.315
C11 0.855 -0.775 -0.282
H12 0.713 -0.740 -1.368
H13 0.635 -1.795 0.048
C14 -0.164 0.189 0.375
H15 0.000 0.182 1.460

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.16302.45362.73522.68723.39703.82414.09104.61734.21072.45862.72272.63211.45922.0787
N21.16303.45713.56173.49574.47294.90985.19455.61725.32763.46103.54963.42942.62213.1439
C32.45363.45711.09331.09251.09203.09773.44384.10022.80832.55982.75933.49171.54232.1687
H42.73523.56171.09331.77751.77933.45084.07014.28973.06442.77982.52883.74822.17093.0719
H52.68723.49571.09251.77751.77344.09184.26845.13203.81023.51043.75384.32182.18342.5259
H63.39704.47291.09201.77931.77342.76833.01893.78022.20062.81863.13063.82652.17212.4863
C73.82414.90983.09773.45084.09182.76831.09501.09351.09301.53382.17382.16342.55542.7491
H84.09105.19453.44384.07014.26843.01891.09501.77171.77552.17533.08242.53532.77912.5195
H94.61735.61724.10024.28975.13203.78021.09351.77171.76742.17052.53522.47193.50243.7367
H104.21075.32762.80833.06443.81022.20061.09301.77551.76742.18442.50933.07952.85453.1552
C112.45863.46102.55982.77983.51042.81861.53382.17532.17052.18441.09521.09471.54902.1642
H122.72273.54962.75932.52883.75383.13062.17383.08242.53522.50931.09521.76762.16053.0587
H132.63213.42943.49173.74824.32183.82652.16342.53532.47193.07951.09471.76762.16392.5116
C141.45922.62211.54232.17092.18342.17212.55542.77913.50242.85451.54902.16052.16391.0979
H152.07873.14392.16873.07192.52592.48632.74912.51953.73673.15522.16423.05872.51161.0979

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 109.633 C1 C14 C11 109.595
C1 C14 H15 107.930 N2 C1 C14 179.274
C3 C14 C11 111.804 C3 C14 H15 109.293
H4 C3 H5 108.823 H4 C3 H6 109.021
H4 C3 C14 109.735 H5 C3 H6 108.552
H5 C3 C14 110.765 H6 C3 C14 109.908
C7 C11 H12 110.440 C7 C11 H13 109.651
C7 C11 C14 111.975 H8 C7 H9 108.109
H8 C7 H10 108.485 H8 C7 C11 110.574
H9 C7 H10 107.865 H9 C7 C11 110.280
H10 C7 C11 111.418 C11 C14 H15 108.499
H12 C11 H13 107.638 H12 C11 C14 108.363
H13 C11 C14 108.654
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.388      
2 N -0.490      
3 C -0.568      
4 H 0.224      
5 H 0.230      
6 H 0.222      
7 C -0.610      
8 H 0.209      
9 H 0.220      
10 H 0.213      
11 C -0.387      
12 H 0.227      
13 H 0.233      
14 C -0.376      
15 H 0.267      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.651 1.185 0.468 3.867
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.620 -3.500 -0.854
y -3.500 -36.979 -0.131
z -0.854 -0.131 -36.553
Traceless
 xyz
x -10.854 -3.500 -0.854
y -3.500 5.107 -0.131
z -0.854 -0.131 5.747
Polar
3z2-r211.493
x2-y2-10.640
xy-3.500
xz-0.854
yz-0.131


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.412 0.415 0.262
y 0.415 7.076 0.102
z 0.262 0.102 6.233


<r2> (average value of r2) Å2
<r2> 197.529
(<r2>)1/2 14.054