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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: MP2/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/aug-cc-pVTZ
 hartrees
Energy at 0K-250.173303
Energy at 298.15K-250.182778
HF Energy-249.116916
Nuclear repulsion energy211.481218
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 MP2/aug-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' 3160 3011 22.55      
2 A' 3086 2941 16.25      
3 A' 3073 2929 15.08      
4 A' 3067 2923 20.18      
5 A' 3058 2914 11.57      
6 A' 2194 2091 0.66      
7 A' 1525 1453 8.17      
8 A' 1512 1441 1.97      
9 A' 1501 1431 0.62      
10 A' 1485 1415 3.01      
11 A' 1421 1354 2.80      
12 A' 1402 1336 0.29      
13 A' 1358 1294 2.12      
14 A' 1279 1219 1.23      
15 A' 1139 1086 3.03      
16 A' 1091 1040 0.18      
17 A' 1047 998 1.02      
18 A' 947 902 0.21      
19 A' 918 874 2.09      
20 A' 529 504 0.51      
21 A' 387 369 0.68      
22 A' 274 261 0.96      
23 A' 121 115 5.95      
24 A" 3154 3006 35.91      
25 A" 3143 2995 7.50      
26 A" 3123 2976 6.17      
27 A" 3100 2954 3.66      
28 A" 1520 1448 7.73      
29 A" 1344 1280 0.11      
30 A" 1325 1263 0.42      
31 A" 1250 1191 0.01      
32 A" 1144 1090 0.09      
33 A" 938 894 0.39      
34 A" 795 757 0.06      
35 A" 738 703 3.33      
36 A" 366 349 0.45      
37 A" 249 237 0.12      
38 A" 118 113 0.19      
39 A" 90 85 4.06      

Unscaled Zero Point Vibrational Energy (zpe) 28984.3 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 27619.1 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 MP2/aug-cc-pVTZ
ABC
0.50097 0.04478 0.04239

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.402 0.000
C2 1.415 0.963 0.000
C3 1.426 2.485 0.000
C4 0.004 -1.128 0.000
N5 -2.447 -2.083 0.000
C6 -1.347 -1.679 0.000
H7 2.443 2.874 0.000
H8 -0.543 0.760 0.877
H9 -0.543 0.760 -0.877
H10 1.950 0.588 0.877
H11 1.950 0.588 -0.877
H12 0.917 2.877 -0.881
H13 0.917 2.877 0.881
H14 0.530 -1.505 -0.879
H15 0.530 -1.505 0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52162.52451.53003.48792.47923.47571.09171.09172.14622.14622.78202.78202.16572.1657
C21.52161.52292.52214.91843.82182.17082.15482.15481.09321.09322.16502.16502.76482.7648
C32.52451.52293.88315.98935.00331.08912.76102.76102.15452.15451.09001.09004.18324.1832
C41.53002.52213.88312.63051.45914.68702.15222.15222.73912.73914.20064.20061.09161.0916
N53.48794.91845.98932.63051.17196.96363.53223.53225.21945.21946.05736.05733.15753.1575
C62.47923.82185.00331.45911.17195.92452.71362.71364.09674.09675.16295.16292.07992.0799
H73.47572.17081.08914.68706.96365.92453.76273.76272.49722.49721.76241.76244.85914.8591
H81.09172.15482.76102.15223.53222.71363.76271.75342.49943.05303.11462.57133.06012.5063
H91.09172.15482.76102.15223.53222.71363.76271.75343.05302.49942.57133.11462.50633.0601
H102.14621.09322.15452.73915.21944.09672.49722.49943.05301.75313.06472.51073.07932.5298
H112.14621.09322.15452.73915.21944.09672.49723.05302.49941.75312.51073.06472.52983.0793
H122.78202.16501.09004.20066.05735.16291.76243.11462.57133.06472.51071.76194.39864.7376
H132.78202.16501.09004.20066.05735.16291.76242.57133.11462.51073.06471.76194.73764.3986
H142.16572.76484.18321.09163.15752.07994.85913.06012.50633.07932.52984.39864.73761.7581
H152.16572.76484.18321.09163.15752.07994.85912.50633.06012.52983.07934.73764.39861.7581

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.032 C1 C2 H10 109.231
C1 C2 H11 109.231 C1 C4 C6 112.054
C1 C4 H14 110.279 C1 C4 H15 110.279
C2 C1 C4 111.472 C2 C1 H8 109.994
C2 C1 H9 109.994 C2 C3 H7 111.333
C2 C3 H12 110.817 C2 C3 H13 110.817
C3 C2 H10 109.792 C3 C2 H11 109.792
C4 C1 H8 109.210 C4 C1 H9 109.210
C4 C6 N5 177.975 C6 C4 H14 108.405
C6 C4 H15 108.405 H7 C3 H12 107.950
H7 C3 H13 107.950 H8 C1 H9 106.844
H10 C2 H11 106.610 H12 C3 H13 107.834
H14 C4 H15 107.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability