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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-248.920213
Energy at 298.15K-248.930052
Nuclear repulsion energy220.301430
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 HF/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 3294 2974 27.99      
2 A 3282 2963 30.19      
3 A 3272 2955 58.21      
4 A 3261 2944 44.39      
5 A 3237 2923 5.32      
6 A 3207 2896 14.03      
7 A 3202 2891 24.77      
8 A 3195 2885 4.99      
9 A 3190 2881 28.47      
10 A 2541 2294 17.80      
11 A 1668 1506 3.72      
12 A 1663 1502 13.55      
13 A 1657 1496 8.06      
14 A 1653 1492 9.51      
15 A 1648 1488 0.26      
16 A 1587 1433 5.67      
17 A 1580 1426 5.98      
18 A 1535 1386 1.35      
19 A 1484 1340 1.43      
20 A 1472 1329 1.43      
21 A 1424 1286 0.26      
22 A 1317 1189 2.48      
23 A 1252 1130 1.10      
24 A 1242 1122 12.44      
25 A 1123 1014 1.81      
26 A 1098 991 1.75      
27 A 1069 965 5.30      
28 A 965 871 1.03      
29 A 895 808 2.08      
30 A 832 752 3.34      
31 A 621 561 0.39      
32 A 586 529 2.11      
33 A 434 392 0.70      
34 A 352 318 0.70      
35 A 300 271 0.39      
36 A 225 203 0.38      
37 A 222 200 2.00      
38 A 182 164 6.10      
39 A 91 82 1.66      

Unscaled Zero Point Vibrational Energy (zpe) 30928.8 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 27925.6 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 HF/6-31G
ABC
0.21587 0.07361 0.05879

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.524 -0.306 0.115
N2 -2.584 -0.700 -0.082
C3 -0.048 1.651 -0.149
H4 -0.156 1.691 -1.226
H5 -0.815 2.275 0.292
H6 0.914 2.066 0.116
C7 2.317 -0.421 0.086
H8 2.452 -0.399 1.163
H9 2.988 -1.172 -0.313
H10 2.629 0.537 -0.311
C11 0.870 -0.756 -0.283
H12 0.746 -0.736 -1.361
H13 0.646 -1.768 0.037
C14 -0.164 0.201 0.355
H15 -0.014 0.195 1.431

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.14732.46482.76712.68253.40213.84294.11364.61444.25912.46842.74222.61781.47132.0657
N21.14733.45823.59453.48184.46434.91115.19625.59595.36193.45963.56723.40312.61863.1141
C32.46483.45821.08331.08231.08153.15283.48894.14892.90412.57942.79283.49291.53942.1486
H42.76713.59451.08331.75471.75693.50694.10824.34933.15042.81622.59363.76872.17303.0528
H52.68253.48181.08231.75471.75044.13724.31035.16803.90423.51513.77354.30592.17492.5031
H63.40214.46431.08151.75691.75042.85563.08833.86932.33702.85093.17253.84412.16832.4685
C73.84294.91113.15283.50694.13722.85561.08531.08361.08301.53052.15882.14652.57172.7602
H84.11365.19623.48894.10824.31033.08831.08531.75041.75492.17323.06502.53052.80302.5505
H94.61445.59594.14894.34935.16803.86931.08361.75041.74622.15872.51232.44173.50233.7310
H104.25915.36192.90413.15043.90422.33701.08301.75491.74622.18312.50313.06002.89103.1837
C112.46843.45962.57942.81623.51512.85091.53052.17322.15872.18311.08531.08441.54662.1504
H122.74223.56722.79282.59363.77353.17252.15883.06502.51232.50311.08531.74062.15723.0402
H132.61783.40313.49293.76874.30593.84412.14652.53052.44173.06001.08441.74062.15202.4959
C141.47132.61861.53942.17302.17492.16832.57172.80303.50232.89101.54662.15722.15201.0865
H152.06573.11412.14863.05282.50312.46852.76022.55053.73103.18372.15043.04022.49591.0865

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 109.887 C1 C14 C11 109.730
C1 C14 H15 106.763 N2 C1 C14 179.537
C3 C14 C11 113.409 C3 C14 H15 108.582
H4 C3 H5 108.239 H4 C3 H6 108.501
H4 C3 C14 110.693 H5 C3 H6 107.988
H5 C3 C14 110.902 H6 C3 C14 110.426
C7 C11 H12 110.074 C7 C11 H13 109.156
C7 C11 C14 113.387 H8 C7 H9 107.617
H8 C7 H10 108.069 H8 C7 C11 111.223
H9 C7 H10 107.412 H9 C7 C11 110.161
H10 C7 C11 112.171 C11 C14 H15 108.235
H12 C11 H13 106.688 H12 C11 C14 108.830
H13 C11 C14 108.477
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.133 0.366    
2 N -0.327 -0.529    
3 C -0.439 -0.133    
4 H 0.174 0.044    
5 H 0.180 0.045    
6 H 0.173 0.046    
7 C -0.463 -0.143    
8 H 0.156 0.036    
9 H 0.169 0.045    
10 H 0.161 0.034    
11 C -0.287 0.103    
12 H 0.174 -0.008    
13 H 0.181 -0.015    
14 C -0.203 0.093    
15 H 0.217 0.016    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.122 1.429 0.541 4.396
CHELPG 4.091 1.431 0.539 4.367
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.427 -4.252 -0.995
y -4.252 -38.103 -0.149
z -0.995 -0.149 -37.419
Traceless
 xyz
x -12.666 -4.252 -0.995
y -4.252 5.820 -0.149
z -0.995 -0.149 6.846
Polar
3z2-r213.693
x2-y2-12.324
xy-4.252
xz-0.995
yz-0.149


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.445 0.530 0.271
y 0.530 7.190 0.110
z 0.271 0.110 6.413


<r2> (average value of r2) Å2
<r2> 199.656
(<r2>)1/2 14.130