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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-249.872401
Energy at 298.15K-249.881923
HF Energy-249.029160
Nuclear repulsion energy219.796343
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 MP3/6-31G*
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 3206 3010 15.69      
2 A 3196 3000 16.14      
3 A 3190 2994 29.91      
4 A 3181 2985 28.58      
5 A 3150 2957 7.66      
6 A 3115 2924 10.00      
7 A 3109 2918 21.94      
8 A 3104 2913 12.71      
9 A 3097 2907 2.06      
10 A 2441 2291 3.94      
11 A 1571 1475 3.07      
12 A 1566 1470 10.86      
13 A 1559 1463 6.79      
14 A 1555 1459 8.78      
15 A 1548 1453 0.44      
16 A 1479 1388 3.03      
17 A 1476 1385 6.33      
18 A 1438 1350 0.72      
19 A 1402 1316 1.25      
20 A 1364 1280 1.88      
21 A 1331 1249 1.09      
22 A 1233 1157 2.14      
23 A 1187 1114 0.11      
24 A 1155 1084 6.61      
25 A 1090 1023 1.27      
26 A 1035 971 0.72      
27 A 1006 945 4.50      
28 A 932 875 0.09      
29 A 837 785 0.72      
30 A 790 742 3.20      
31 A 569 534 0.13      
32 A 545 511 1.02      
33 A 411 386 0.34      
34 A 328 308 0.79      
35 A 293 275 0.19      
36 A 223 209 0.09      
37 A 205 193 2.59      
38 A 163 153 5.92      
39 A 88 83 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 29583.2 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 27766.8 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 MP3/6-31G*
ABC
0.21641 0.07341 0.05873

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.526 -0.295 0.117
N2 -2.597 -0.687 -0.091
C3 -0.030 1.645 -0.150
H4 -0.138 1.674 -1.239
H5 -0.803 2.282 0.289
H6 0.946 2.058 0.115
C7 2.312 -0.423 0.075
H8 2.458 -0.376 1.160
H9 2.986 -1.189 -0.320
H10 2.618 0.536 -0.351
C11 0.863 -0.767 -0.268
H12 0.720 -0.767 -1.355
H13 0.636 -1.781 0.078
C14 -0.157 0.203 0.361
H15 -0.012 0.199 1.449

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.15982.46462.76442.68213.41303.84084.11904.62014.25232.46512.72692.62331.47702.0766
N21.15983.46913.59733.49004.48724.91985.21745.61045.36333.46573.55143.41742.63673.1375
C32.46463.46911.09421.09301.09243.13323.46294.14242.87792.57472.79923.49781.53572.1563
H42.76443.59731.09421.77341.77633.48244.08564.33583.11062.81062.59003.77722.17343.0685
H52.68213.49001.09301.77341.77124.13114.29575.17413.89323.51813.78404.31502.17822.5117
H63.41304.48721.09241.77631.77122.83333.05013.85992.30882.85223.19323.85202.17252.4806
C73.84084.91983.13323.48244.13112.83331.09551.09381.09341.52892.16792.15762.56362.7711
H84.11905.21743.46294.08564.29573.05011.09551.76911.77222.17653.08212.54302.79492.5526
H94.62015.61044.14244.33585.17413.85991.09381.76911.76472.16522.52652.45573.50413.7476
H104.25235.36332.87793.11063.89322.30881.09341.77221.76472.18752.51163.07942.88433.2050
C112.46513.46572.57472.81063.51812.85221.52892.17652.16522.18751.09651.09541.54142.1561
H122.72693.55142.79922.59003.78403.19322.16793.08212.52652.51161.09651.75762.15793.0557
H132.62333.41743.49783.77724.31503.85202.15762.54302.45573.07941.09541.75762.15502.4946
C141.47702.63671.53572.17342.17822.17252.56362.79493.50412.88431.54142.15792.15501.0979
H152.07663.13752.15633.06852.51172.48062.77112.55263.74763.20502.15613.05572.49461.0979

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 109.771 C1 C14 C11 109.493
C1 C14 H15 106.573 N2 C1 C14 179.169
C3 C14 C11 113.593 C3 C14 H15 108.780
H4 C3 H5 108.346 H4 C3 H6 108.646
H4 C3 C14 110.336 H5 C3 H6 108.278
H5 C3 C14 110.790 H6 C3 C14 110.374
C7 C11 H12 110.238 C7 C11 H13 109.497
C7 C11 C14 113.225 H8 C7 H9 107.815
H8 C7 H10 108.119 H8 C7 C11 110.984
H9 C7 H10 107.578 H9 C7 C11 110.193
H10 C7 C11 111.993 C11 C14 H15 108.381
H12 C11 H13 106.609 H12 C11 C14 108.604
H13 C11 C14 108.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability