return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-250.552122
Energy at 298.15K-250.561446
HF Energy-250.552122
Nuclear repulsion energy218.757370
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 B97D3/6-31+G**
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 3097 3044 21.48      
2 A 3088 3034 22.88      
3 A 3075 3022 44.05      
4 A 3065 3012 41.78      
5 A 3039 2987 5.71      
6 A 3006 2954 19.51      
7 A 2998 2946 31.32      
8 A 2989 2938 25.62      
9 A 2975 2924 4.98      
10 A 2268 2229 14.51      
11 A 1493 1467 3.24      
12 A 1482 1457 11.26      
13 A 1479 1454 7.59      
14 A 1473 1448 8.54      
15 A 1464 1439 0.21      
16 A 1393 1369 2.22      
17 A 1387 1363 5.16      
18 A 1351 1327 0.58      
19 A 1316 1293 0.99      
20 A 1291 1269 3.59      
21 A 1258 1236 1.29      
22 A 1160 1140 2.16      
23 A 1109 1090 0.24      
24 A 1094 1075 5.21      
25 A 1022 1004 1.27      
26 A 975 959 0.81      
27 A 957 941 5.66      
28 A 880 865 0.55      
29 A 798 784 0.89      
30 A 751 738 2.50      
31 A 551 542 0.20      
32 A 525 516 1.00      
33 A 393 387 0.15      
34 A 319 313 0.41      
35 A 291 286 0.11      
36 A 220 216 0.12      
37 A 200 196 2.14      
38 A 156 154 5.27      
39 A 77 76 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 28230.8 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 27745.2 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 B97D3/6-31+G**
ABC
0.21412 0.07279 0.05819

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.529 -0.294 0.119
N2 -2.610 -0.691 -0.093
C3 -0.030 1.655 -0.151
H4 -0.130 1.687 -1.244
H5 -0.805 2.297 0.286
H6 0.950 2.062 0.124
C7 2.322 -0.423 0.074
H8 2.472 -0.368 1.163
H9 3.002 -1.191 -0.318
H10 2.626 0.539 -0.359
C11 0.868 -0.775 -0.267
H12 0.723 -0.782 -1.358
H13 0.641 -1.791 0.086
C14 -0.164 0.202 0.361
H15 -0.018 0.200 1.454

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.17122.47342.78202.69523.41973.85294.13544.63884.26412.47502.73702.63631.47212.0760
N21.17123.48743.62363.51124.50534.94195.24505.63835.38493.48363.56643.43702.64323.1477
C32.47343.48741.09791.09651.09613.14643.47554.16132.88842.59332.82163.51851.54602.1665
H42.78203.62361.09791.77951.78253.49284.09694.35243.11372.83042.61433.80252.18643.0828
H52.69523.51121.09651.77951.77754.14924.31365.19753.90823.54113.80954.34022.19152.5262
H63.41974.50531.09611.78251.77752.83893.04973.87102.31562.86503.21453.86522.18062.4844
C73.85294.94193.14643.49284.14922.83891.10001.09801.09781.53422.17622.16682.57922.7865
H84.13545.24503.47554.09694.31363.04971.10001.77481.77792.18713.09582.55632.81392.5703
H94.63885.63834.16134.35245.19753.87101.09801.77481.77042.17412.53762.46873.52453.7670
H104.26415.38492.88843.11373.90822.31561.09781.77791.77042.19632.52223.09252.90083.2233
C112.47503.48362.59332.83043.54112.86501.53422.18712.17412.19631.10031.09921.55412.1677
H122.73703.56642.82162.61433.80953.21452.17623.09582.53762.52221.10031.76402.17013.0693
H132.63633.43703.51853.80254.34023.86522.16682.55632.46873.09251.09921.76402.16702.5035
C141.47212.64321.54602.18642.19152.18062.57922.81393.52452.90081.55412.17012.16701.1032
H152.07603.14772.16653.08282.52622.48442.78652.57033.76703.22332.16773.06932.50351.1032

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 109.914 C1 C14 C11 109.741
C1 C14 H15 106.304 N2 C1 C14 177.799
C3 C14 C11 113.911 C3 C14 H15 108.564
H4 C3 H5 108.230 H4 C3 H6 108.561
H4 C3 C14 110.498 H5 C3 H6 108.119
H5 C3 C14 111.083 H6 C3 C14 110.265
C7 C11 H12 110.256 C7 C11 H13 109.369
C7 C11 C14 113.614 H8 C7 H9 107.635
H8 C7 H10 107.967 H8 C7 C11 111.174
H9 C7 H10 107.343 H9 C7 C11 110.354
H10 C7 C11 112.176 C11 C14 H15 108.105
H12 C11 H13 106.410 H12 C11 C14 108.531
H13 C11 C14 108.395
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.083      
2 N -0.462      
3 C -0.553      
4 H 0.170      
5 H 0.171      
6 H 0.162      
7 C -0.577      
8 H 0.155      
9 H 0.164      
10 H 0.156      
11 C -0.214      
12 H 0.164      
13 H 0.165      
14 C 0.403      
15 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.048 1.345 0.530 4.298
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.667 -4.000 -0.948
y -4.000 -37.907 -0.137
z -0.948 -0.137 -37.304
Traceless
 xyz
x -12.061 -4.000 -0.948
y -4.000 5.578 -0.137
z -0.948 -0.137 6.483
Polar
3z2-r212.967
x2-y2-11.760
xy-4.000
xz-0.948
yz-0.137


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.881 0.611 0.303
y 0.611 9.029 0.132
z 0.303 0.132 7.838


<r2> (average value of r2) Å2
<r2> 201.265
(<r2>)1/2 14.187