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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-250.628669
Energy at 298.15K-250.638141
Nuclear repulsion energy220.150644
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 mPW1PW91/6-31G*
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 3183 3018 15.80      
2 A 3176 3011 16.00      
3 A 3164 3000 31.31      
4 A 3156 2993 32.34      
5 A 3126 2965 5.34      
6 A 3093 2933 12.72      
7 A 3085 2926 23.82      
8 A 3079 2919 16.41      
9 A 3066 2907 3.27      
10 A 2392 2268 11.70      
11 A 1544 1465 3.77      
12 A 1537 1457 10.26      
13 A 1533 1453 7.44      
14 A 1527 1448 10.06      
15 A 1517 1439 0.24      
16 A 1447 1372 3.29      
17 A 1441 1367 6.04      
18 A 1405 1332 0.42      
19 A 1368 1297 1.34      
20 A 1339 1269 2.28      
21 A 1302 1235 1.10      
22 A 1204 1141 2.49      
23 A 1161 1101 0.20      
24 A 1133 1075 6.85      
25 A 1071 1016 1.33      
26 A 1015 962 1.43      
27 A 988 937 5.97      
28 A 917 870 0.37      
29 A 825 782 0.60      
30 A 777 737 3.91      
31 A 574 545 0.11      
32 A 546 517 1.24      
33 A 400 379 0.31      
34 A 328 311 0.74      
35 A 286 271 0.10      
36 A 225 213 0.12      
37 A 208 198 2.38      
38 A 164 156 5.63      
39 A 87 82 1.51      

Unscaled Zero Point Vibrational Energy (zpe) 29192.6 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 27683.3 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 mPW1PW91/6-31G*
ABC
0.21691 0.07371 0.05893

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.520 -0.297 0.114
N2 -2.591 -0.689 -0.088
C3 -0.035 1.644 -0.149
H4 -0.146 1.683 -1.236
H5 -0.802 2.282 0.295
H6 0.942 2.052 0.115
C7 2.308 -0.420 0.077
H8 2.461 -0.385 1.161
H9 2.987 -1.176 -0.327
H10 2.612 0.545 -0.337
C11 0.865 -0.765 -0.269
H12 0.726 -0.769 -1.356
H13 0.638 -1.780 0.075
C14 -0.162 0.201 0.356
H15 -0.017 0.197 1.445

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.15882.45722.76262.68333.40303.82994.11664.61264.24122.45992.72492.61871.46652.0671
N21.15883.46073.59523.48954.47684.90955.21295.60455.35393.46163.55203.41292.62533.1243
C32.45723.46071.09351.09231.09213.13073.47274.13712.87282.57422.80253.49621.53382.1524
H42.76263.59521.09351.77041.77383.48854.10084.33773.11642.82002.60503.78522.17563.0681
H52.68333.48951.09231.77041.76864.12594.30215.16763.88283.51903.79054.31562.17872.5072
H63.40304.47681.09211.77381.76862.82493.05593.84702.29472.84473.18883.84452.16912.4759
C73.82994.90953.13073.48854.12592.82491.09531.09351.09351.52372.16262.15332.56172.7673
H84.11665.21293.47274.10084.30213.05591.09531.76571.76962.17603.08062.53882.80472.5609
H94.61265.60454.13714.33775.16763.84701.09351.76571.76162.16232.51712.45803.50363.7482
H104.24125.35392.87283.11643.88282.29471.09351.76961.76162.18552.51463.07782.88003.1954
C112.45993.46162.57422.82003.51902.84471.52372.17602.16232.18551.09591.09491.54162.1539
H122.72493.55202.80252.60503.79053.18882.16263.08062.51712.51461.09591.75432.15803.0540
H132.61873.41293.49623.78524.31563.84452.15332.53882.45803.07781.09491.75432.15442.4927
C141.46652.62531.53382.17562.17872.16912.56172.80473.50362.88001.54162.15802.15441.0983
H152.06713.12432.15243.06812.50722.47592.76732.56093.74823.19542.15393.05402.49271.0983

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 109.942 C1 C14 C11 109.696
C1 C14 H15 106.515 N2 C1 C14 179.449
C3 C14 C11 113.656 C3 C14 H15 108.586
H4 C3 H5 108.184 H4 C3 H6 108.502
H4 C3 C14 110.684 H5 C3 H6 108.122
H5 C3 C14 111.007 H6 C3 C14 110.252
C7 C11 H12 110.219 C7 C11 H13 109.542
C7 C11 C14 113.380 H8 C7 H9 107.553
H8 C7 H10 107.900 H8 C7 C11 111.324
H9 C7 H10 107.318 H9 C7 C11 110.340
H10 C7 C11 112.201 C11 C14 H15 108.177
H12 C11 H13 106.401 H12 C11 C14 108.634
H13 C11 C14 108.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.367      
2 N -0.493      
3 C -0.520      
4 H 0.192      
5 H 0.198      
6 H 0.188      
7 C -0.530      
8 H 0.175      
9 H 0.187      
10 H 0.179      
11 C -0.318      
12 H 0.186      
13 H 0.192      
14 C -0.218      
15 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.863 1.298 0.499 4.105
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.946 -3.796 -0.872
y -3.796 -36.829 -0.112
z -0.872 -0.112 -36.248
Traceless
 xyz
x -11.407 -3.796 -0.872
y -3.796 5.268 -0.112
z -0.872 -0.112 6.140
Polar
3z2-r212.279
x2-y2-11.117
xy-3.796
xz-0.872
yz-0.112


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> 198.333
(<r2>)1/2 14.083