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

using model chemistry: B1B95/CEP-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 B1B95/CEP-31G
 hartrees
Energy at 0K-43.409249
Energy at 298.15K-43.418528
Nuclear repulsion energy119.134125
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/CEP-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 3183 3048 33.22      
2 A 3179 3044 45.40      
3 A 3169 3034 76.15      
4 A 3161 3027 54.51      
5 A 3135 3002 6.30      
6 A 3085 2954 24.68      
7 A 3079 2948 13.80      
8 A 3079 2948 20.74      
9 A 3066 2935 33.25      
10 A 2279 2182 14.68      
11 A 1513 1449 8.39      
12 A 1510 1445 14.10      
13 A 1508 1444 12.66      
14 A 1501 1437 16.46      
15 A 1496 1433 1.61      
16 A 1425 1364 13.89      
17 A 1421 1361 9.90      
18 A 1384 1325 1.02      
19 A 1339 1282 1.10      
20 A 1318 1262 0.32      
21 A 1279 1225 0.15      
22 A 1187 1137 2.57      
23 A 1160 1110 0.51      
24 A 1120 1072 10.38      
25 A 1069 1024 2.34      
26 A 1009 966 3.76      
27 A 983 942 11.06      
28 A 909 870 0.52      
29 A 815 781 1.83      
30 A 768 735 6.91      
31 A 555 531 0.62      
32 A 532 509 2.15      
33 A 385 369 0.51      
34 A 313 300 0.21      
35 A 244 233 0.13      
36 A 206 197 0.16      
37 A 197 188 1.67      
38 A 159 152 4.35      
39 A 75 72 1.51      

Unscaled Zero Point Vibrational Energy (zpe) 28895.7 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 27667.6 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/CEP-31G
ABC
0.21410 0.07155 0.05747

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.543 -0.288 0.122
N2 -2.646 -0.674 -0.096
C3 -0.010 1.652 -0.154
H4 -0.119 1.682 -1.249
H5 -0.771 2.312 0.287
H6 0.982 2.048 0.109
C7 2.331 -0.426 0.074
H8 2.483 -0.379 1.166
H9 3.020 -1.185 -0.327
H10 2.624 0.546 -0.352
C11 0.869 -0.786 -0.271
H12 0.725 -0.789 -1.364
H13 0.648 -1.807 0.081
C14 -0.158 0.197 0.371
H15 -0.004 0.195 1.465

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.18902.48732.79072.71693.43963.87694.15994.67224.27652.49392.75782.66691.48892.0984
N21.18903.51593.64263.54664.54034.98645.29015.69405.41623.52113.60403.48842.67793.1890
C32.48733.51591.10111.10021.09993.13823.47544.15432.86372.59412.82193.52881.55322.1772
H42.79073.64261.10111.78341.78603.49274.10504.35063.10192.83322.61443.81262.19833.0965
H52.71693.54661.10021.78341.78184.14344.31345.19473.88053.55003.81904.36212.20382.5410
H63.43964.54031.09991.78601.78182.81833.04323.84712.27312.86223.20733.87002.18912.4987
C73.87694.98643.13823.49274.14342.81831.10331.10111.10151.54522.18632.17732.58272.7883
H84.15995.29013.47544.10504.31343.04321.10331.78011.78372.19903.10792.56572.81682.5701
H94.67225.69404.15434.35065.19473.84711.10111.78011.77642.18882.54922.48603.53523.7770
H104.27655.41622.86373.10193.88052.27311.10151.78371.77642.20582.53273.10382.89573.2150
C112.49393.52112.59412.83323.55002.86221.54522.19902.18882.20581.10261.10231.56012.1770
H122.75783.60402.82192.61443.81903.20732.18633.10792.54922.53271.10261.76972.18303.0830
H132.66693.48843.52883.81264.36213.87002.17732.56572.48603.10381.10231.76972.18002.5202
C141.48892.67791.55322.19832.20382.18912.58272.81683.53522.89571.56012.18302.18001.1039
H152.09843.18902.17723.09652.54102.49872.78832.57013.77703.21502.17703.08302.52021.1039

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 109.679 C1 C14 C11 109.736
C1 C14 H15 107.119 N2 C1 C14 179.088
C3 C14 C11 112.867 C3 C14 H15 108.870
H4 C3 H5 108.230 H4 C3 H6 108.481
H4 C3 C14 110.683 H5 C3 H6 108.170
H5 C3 C14 111.163 H6 C3 C14 110.028
C7 C11 H12 110.194 C7 C11 H13 109.520
C7 C11 C14 112.549 H8 C7 H9 107.706
H8 C7 H10 108.001 H8 C7 C11 111.162
H9 C7 H10 107.511 H9 C7 C11 110.478
H10 C7 C11 111.810 C11 C14 H15 108.393
H12 C11 H13 106.760 H12 C11 C14 108.926
H13 C11 C14 108.714
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.647      
2 N 0.402      
3 C -0.508      
4 H 0.157      
5 H 0.177      
6 H 0.165      
7 C -0.400      
8 H 0.129      
9 H 0.179      
10 H 0.131      
11 C -0.279      
12 H 0.144      
13 H 0.159      
14 C 0.019      
15 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.093 1.318 0.560 4.336
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.369 -4.006 -0.989
y -4.006 -36.985 -0.155
z -0.989 -0.155 -36.175
Traceless
 xyz
x -12.789 -4.006 -0.989
y -4.006 5.787 -0.155
z -0.989 -0.155 7.002
Polar
3z2-r214.004
x2-y2-12.384
xy-4.006
xz-0.989
yz-0.155


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.103 0.552 0.303
y 0.552 7.426 0.072
z 0.303 0.072 6.486


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