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

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-250.439686
Energy at 298.15K-250.448965
Nuclear repulsion energy219.390426
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 PBEPBE/cc-pVTZ
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 3064 3043 13.76      
2 A 3057 3035 15.79      
3 A 3046 3025 26.47      
4 A 3038 3017 31.61      
5 A 3008 2987 4.08      
6 A 2983 2963 13.08      
7 A 2975 2954 27.37      
8 A 2969 2949 9.14      
9 A 2943 2923 2.95      
10 A 2261 2246 11.04      
11 A 1459 1449 3.32      
12 A 1453 1443 10.62      
13 A 1448 1438 6.46      
14 A 1442 1432 9.10      
15 A 1434 1424 0.28      
16 A 1364 1354 3.09      
17 A 1356 1347 6.34      
18 A 1326 1317 0.20      
19 A 1295 1286 1.03      
20 A 1270 1261 1.94      
21 A 1237 1229 0.81      
22 A 1145 1137 2.06      
23 A 1101 1094 0.24      
24 A 1079 1072 4.15      
25 A 1022 1015 1.35      
26 A 966 959 2.26      
27 A 944 937 5.36      
28 A 876 870 1.04      
29 A 788 783 0.57      
30 A 745 739 3.62      
31 A 553 549 0.07      
32 A 524 520 0.90      
33 A 383 381 0.17      
34 A 316 314 0.43      
35 A 263 261 0.13      
36 A 216 215 0.18      
37 A 198 197 1.83      
38 A 158 157 4.86      
39 A 79 79 1.54      

Unscaled Zero Point Vibrational Energy (zpe) 27891.8 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 27699.3 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 PBEPBE/cc-pVTZ
ABC
0.21406 0.07338 0.05857

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.519 -0.301 0.118
N2 -2.593 -0.704 -0.082
C3 -0.045 1.655 -0.148
H4 -0.176 1.701 -1.238
H5 -0.808 2.294 0.315
H6 0.942 2.064 0.102
C7 2.316 -0.426 0.087
H8 2.458 -0.427 1.178
H9 3.000 -1.173 -0.337
H10 2.628 0.556 -0.292
C11 0.871 -0.758 -0.284
H12 0.741 -0.738 -1.377
H13 0.633 -1.782 0.038
C14 -0.164 0.203 0.351
H15 -0.012 0.194 1.445

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.16402.46382.76592.69763.41283.83724.11854.62574.25482.46642.74542.61401.46452.0685
N21.16403.47313.60043.51184.49304.91925.21315.61875.37493.46993.57713.40302.62843.1304
C32.46383.47311.09841.09691.09693.15623.51614.16042.89392.58462.80303.50871.53992.1616
H42.76593.60041.09841.77791.78213.53404.16004.37733.17292.83772.60973.79672.18333.0811
H52.69763.51181.09691.77791.77714.14784.33765.19063.89763.53373.80184.33192.18752.5135
H63.41284.49301.09691.78211.77712.84373.10833.86072.29602.84853.17433.85872.17842.4911
C73.83724.91923.15623.53404.14782.84371.10021.09821.09841.52802.17222.16182.57212.7649
H84.11855.21313.51614.16004.33763.10831.10021.77321.77702.18303.09382.54342.82132.5609
H94.62575.61874.16044.37735.19063.86071.09821.77321.76912.17042.52472.47353.51893.7572
H104.25485.37492.89393.17293.89762.29601.09841.77701.76912.19412.53193.09162.88703.1806
C112.46643.46992.58462.83773.53372.84851.52802.18302.17042.19411.10111.09981.54852.1616
H122.74543.57712.80302.60973.80183.17432.17223.09382.52472.53191.10111.76162.16603.0656
H132.61403.40303.50873.79674.33193.85872.16182.54342.47353.09161.09981.76162.16242.5104
C141.46452.62841.53992.18332.18752.17842.57212.82133.51892.88701.54852.16602.16241.1046
H152.06853.13042.16163.08112.51352.49112.76492.56093.75723.18062.16163.06562.51041.1046

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 110.158 C1 C14 C11 109.863
C1 C14 H15 106.410 N2 C1 C14 179.251
C3 C14 C11 113.628 C3 C14 H15 108.534
H4 C3 H5 108.159 H4 C3 H6 108.538
H4 C3 C14 110.580 H5 C3 H6 108.202
H5 C3 C14 110.995 H6 C3 C14 110.282
C7 C11 H12 110.370 C7 C11 H13 109.632
C7 C11 C14 113.454 H8 C7 H9 107.531
H8 C7 H10 107.841 H8 C7 C11 111.281
H9 C7 H10 107.292 H9 C7 C11 110.401
H10 C7 C11 112.285 C11 C14 H15 107.961
H12 C11 H13 106.343 H12 C11 C14 108.488
H13 C11 C14 108.287
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109      
2 N -0.068      
3 C -0.268      
4 H 0.103      
5 H 0.111      
6 H 0.096      
7 C -0.303      
8 H 0.094      
9 H 0.107      
10 H 0.098      
11 C -0.131      
12 H 0.093      
13 H 0.101      
14 C -0.027      
15 H 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.873 1.304 0.478 4.115
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.811 -3.897 -0.848
y -3.897 -37.767 -0.111
z -0.848 -0.111 -37.160
Traceless
 xyz
x -11.347 -3.897 -0.848
y -3.897 5.218 -0.111
z -0.848 -0.111 6.129
Polar
3z2-r212.258
x2-y2-11.044
xy-3.897
xz-0.848
yz-0.111


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.780 0.454 0.223
y 0.454 9.188 0.106
z 0.223 0.106 7.937


<r2> (average value of r2) Å2
<r2> 200.059
(<r2>)1/2 14.144