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

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-249.332579
Energy at 298.15K-249.342192
Nuclear repulsion energy219.066600
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 B3LYP/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 3144 3024 17.31      
2 A 3135 3016 18.37      
3 A 3128 3009 38.78      
4 A 3117 2999 25.13      
5 A 3095 2978 1.80      
6 A 3067 2951 8.01      
7 A 3063 2946 19.51      
8 A 3054 2938 13.99      
9 A 3049 2933 1.05      
10 A 2342 2253 3.92      
11 A 1577 1517 5.52      
12 A 1569 1509 11.57      
13 A 1564 1504 10.74      
14 A 1561 1501 6.84      
15 A 1546 1487 1.32      
16 A 1468 1412 6.66      
17 A 1456 1401 7.97      
18 A 1407 1353 0.64      
19 A 1373 1320 0.59      
20 A 1362 1310 0.81      
21 A 1320 1269 0.07      
22 A 1211 1165 2.20      
23 A 1152 1108 10.60      
24 A 1147 1103 0.97      
25 A 1029 990 2.29      
26 A 1019 980 3.03      
27 A 989 951 6.63      
28 A 898 864 0.21      
29 A 834 802 2.07      
30 A 777 748 3.80      
31 A 611 588 0.32      
32 A 572 550 1.46      
33 A 403 388 0.57      
34 A 346 333 0.27      
35 A 284 273 0.32      
36 A 228 219 0.15      
37 A 221 213 1.16      
38 A 184 177 3.63      
39 A 87 84 1.13      

Unscaled Zero Point Vibrational Energy (zpe) 29192.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 28082.8 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 B3LYP/3-21G*
ABC
0.21452 0.07294 0.05846

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.523 -0.303 0.123
N2 -2.600 -0.696 -0.083
C3 -0.044 1.653 -0.153
H4 -0.193 1.675 -1.237
H5 -0.794 2.294 0.319
H6 0.948 2.049 0.078
C7 2.324 -0.422 0.094
H8 2.446 -0.459 1.183
H9 3.013 -1.148 -0.351
H10 2.615 0.574 -0.254
C11 0.871 -0.759 -0.301
H12 0.748 -0.698 -1.389
H13 0.642 -1.787 0.000
C14 -0.166 0.195 0.366
H15 0.004 0.185 1.452

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.16462.46702.74412.70433.41193.84874.11134.63824.24632.47392.75662.62821.46532.0824
N21.16463.47163.57023.51624.48894.93415.20765.63695.36953.47833.59323.42152.62983.1485
C32.46703.47161.09461.09401.09323.15763.52754.15032.87082.58322.77103.51081.55202.1746
H42.74413.57021.09461.77911.78093.53614.16864.36283.17222.81652.55743.77062.18223.0801
H52.70433.51621.09401.77911.77564.14104.33875.17563.86073.53223.77434.33842.19152.5231
H63.41194.48891.09321.78091.77562.82843.12363.83002.25022.83453.12063.84952.18272.5004
C73.84874.93413.15763.53614.14102.82841.09641.09511.09441.54242.18102.16802.57982.7554
H84.11135.20763.52754.16864.33873.12361.09641.77401.77742.18453.09092.53322.81442.5399
H94.63825.63694.15034.36285.17563.83001.09511.77401.77012.17722.53172.48033.52483.7520
H104.24635.36952.87083.17223.86072.25021.09441.77741.77012.19502.52793.08722.87443.1422
C112.47393.47832.58322.81653.53222.83451.54242.18452.17722.19501.09641.09601.55912.1713
H122.75663.59322.77102.55743.77433.12062.18103.09092.53172.52791.09641.76832.17073.0661
H132.62823.42153.51083.77064.33843.84952.16802.53322.48033.08721.09601.76832.17182.5309
C141.46532.62981.55202.18222.19152.18272.57982.81443.52482.87441.55912.17072.17181.0990
H152.08243.14852.17463.08012.52312.50042.75542.53993.75203.14222.17133.06612.53091.0990

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 109.663 C1 C14 C11 109.729
C1 C14 H15 107.745 N2 C1 C14 179.356
C3 C14 C11 112.261 C3 C14 H15 109.026
H4 C3 H5 108.762 H4 C3 H6 108.979
H4 C3 C14 109.871 H5 C3 H6 108.552
H5 C3 C14 110.641 H6 C3 C14 109.997
C7 C11 H12 110.350 C7 C11 H13 109.347
C7 C11 C14 112.568 H8 C7 H9 108.087
H8 C7 H10 108.448 H8 C7 C11 110.618
H9 C7 H10 107.883 H9 C7 C11 110.119
H10 C7 C11 111.573 C11 C14 H15 108.299
H12 C11 H13 107.529 H12 C11 C14 108.402
H13 C11 C14 108.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.377      
2 N -0.486      
3 C -0.525      
4 H 0.206      
5 H 0.210      
6 H 0.204      
7 C -0.562      
8 H 0.192      
9 H 0.200      
10 H 0.196      
11 C -0.346      
12 H 0.205      
13 H 0.211      
14 C -0.326      
15 H 0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.601 1.225 0.444 3.830
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.774 -3.619 -0.817
y -3.619 -37.269 -0.126
z -0.817 -0.126 -36.749
Traceless
 xyz
x -10.765 -3.619 -0.817
y -3.619 4.992 -0.126
z -0.817 -0.126 5.773
Polar
3z2-r211.546
x2-y2-10.505
xy-3.619
xz-0.817
yz-0.126


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.417 0.430 0.245
y 0.430 7.108 0.104
z 0.245 0.104 6.233


<r2> (average value of r2) Å2
<r2> 200.004
(<r2>)1/2 14.142