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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-249.264813
Energy at 298.15K-249.274515
Nuclear repulsion energy210.748971
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 mPW1PW91/3-21G
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' 3150 3007 24.69      
2 A' 3092 2951 24.96      
3 A' 3078 2938 0.24      
4 A' 3071 2931 18.18      
5 A' 3064 2925 12.88      
6 A' 2375 2267 6.32      
7 A' 1571 1500 10.84      
8 A' 1555 1485 7.11      
9 A' 1546 1476 0.48      
10 A' 1529 1459 6.23      
11 A' 1465 1399 9.23      
12 A' 1410 1346 0.27      
13 A' 1393 1329 3.95      
14 A' 1328 1268 3.39      
15 A' 1152 1100 11.02      
16 A' 1068 1019 0.24      
17 A' 1029 982 0.38      
18 A' 962 919 0.14      
19 A' 920 878 4.85      
20 A' 596 569 2.31      
21 A' 392 374 0.80      
22 A' 304 291 0.84      
23 A' 135 129 4.11      
24 A" 3153 3010 50.24      
25 A" 3141 2999 0.80      
26 A" 3117 2976 0.22      
27 A" 3098 2957 3.48      
28 A" 1568 1497 11.80      
29 A" 1377 1315 0.11      
30 A" 1368 1306 0.51      
31 A" 1292 1233 0.17      
32 A" 1185 1131 0.17      
33 A" 975 931 1.74      
34 A" 823 786 0.17      
35 A" 755 721 8.77      
36 A" 466 445 0.06      
37 A" 247 235 0.08      
38 A" 118 113 0.51      
39 A" 91 87 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 29478.8 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 28140.5 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 mPW1PW91/3-21G
ABC
0.50191 0.04438 0.04206

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.412 0.000
C2 1.445 0.932 0.000
C3 1.492 2.467 0.000
C4 -0.035 -1.134 0.000
N5 -2.487 -2.049 0.000
C6 -1.395 -1.650 0.000
H7 2.525 2.827 0.000
H8 -0.528 0.783 0.885
H9 -0.528 0.783 -0.885
H10 1.969 0.546 0.884
H11 1.969 0.546 -0.884
H12 0.989 2.866 -0.887
H13 0.989 2.866 0.887
H14 0.490 -1.514 -0.885
H15 0.490 -1.514 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53572.53951.54643.49832.48933.49461.09581.09582.16242.16242.79132.79132.17512.1751
C21.53571.53582.54164.93373.83792.18182.16792.16791.09771.09772.17672.17672.77022.7702
C32.53951.53583.91156.01835.02811.09442.77472.77472.16772.16771.09531.09534.19884.1988
C41.54642.54163.91152.61651.45384.71712.16902.16902.76062.76064.22414.22411.09711.0971
N53.49834.93376.01832.61651.16276.99263.55523.55525.23125.23126.08516.08513.15183.1518
C62.48933.83795.02811.45381.16275.95092.73072.73074.11294.11295.18365.18362.08692.0869
H73.49462.18181.09444.71716.99265.95093.77963.77962.50932.50931.77431.77434.87524.8752
H81.09582.16792.77472.16903.55522.73073.77961.76992.50863.06963.12772.57723.07382.5130
H91.09582.16792.77472.16903.55522.73073.77961.76993.06962.50862.57723.12772.51303.0738
H102.16241.09772.16772.76065.23124.11292.50932.50863.06961.76803.07932.51903.09142.5351
H112.16241.09772.16772.76065.23124.11292.50933.06962.50861.76802.51903.07932.53513.0914
H122.79132.17671.09534.22416.08515.18361.77433.12772.57723.07932.51901.77434.40844.7513
H132.79132.17671.09534.22416.08515.18361.77432.57723.12772.51903.07931.77434.75134.4084
H142.17512.77024.19881.09713.15182.08694.87523.07382.51303.09142.53514.40844.75131.7702
H152.17512.77024.19881.09713.15182.08694.87522.51303.07382.53513.09144.75134.40841.7702

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.544 C1 C2 H10 109.270
C1 C2 H11 109.270 C1 C4 C6 112.097
C1 C4 H14 109.555 C1 C4 H15 109.555
C2 C1 C4 111.099 C2 C1 H8 109.812
C2 C1 H9 109.812 C2 C3 H7 110.990
C2 C3 H12 110.531 C2 C3 H13 110.531
C3 C2 H10 109.683 C3 C2 H11 109.683
C4 C1 H8 109.160 C4 C1 H9 109.160
C4 C6 N5 179.250 C6 C4 H14 108.983
C6 C4 H15 108.983 H7 C3 H12 108.252
H7 C3 H13 108.252 H8 C1 H9 107.729
H10 C2 H11 107.292 H12 C3 H13 108.190
H14 C4 H15 107.559
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.405      
2 C -0.444      
3 C -0.626      
4 C -0.506      
5 N -0.504      
6 C 0.365      
7 H 0.219      
8 H 0.238      
9 H 0.238      
10 H 0.219      
11 H 0.219      
12 H 0.217      
13 H 0.217      
14 H 0.276      
15 H 0.276      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.591 1.751 0.000 3.995
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.375 -7.593 0.000
y -7.593 -41.300 0.000
z 0.000 0.000 -36.599
Traceless
 xyz
x -8.425 -7.593 0.000
y -7.593 0.686 0.000
z 0.000 0.000 7.739
Polar
3z2-r215.478
x2-y2-6.074
xy-7.593
xz0.000
yz0.000


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> 257.334
(<r2>)1/2 16.042