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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-249.904439
Energy at 298.15K-249.913922
HF Energy-249.045056
Nuclear repulsion energy209.679890
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/cc-pVDZ
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' 3183 3032 23.74      
2 A' 3097 2950 18.33      
3 A' 3086 2940 16.49      
4 A' 3081 2935 18.24      
5 A' 3073 2927 20.00      
6 A' 2193 2089 0.25      
7 A' 1506 1434 5.67      
8 A' 1493 1422 1.31      
9 A' 1484 1413 0.72      
10 A' 1467 1397 2.90      
11 A' 1416 1349 1.17      
12 A' 1407 1340 1.21      
13 A' 1353 1289 1.93      
14 A' 1266 1206 2.96      
15 A' 1138 1084 1.99      
16 A' 1102 1050 0.15      
17 A' 1059 1008 0.86      
18 A' 950 905 0.39      
19 A' 920 876 2.13      
20 A' 527 502 0.78      
21 A' 388 369 0.54      
22 A' 275 262 0.75      
23 A' 121 116 4.67      
24 A" 3179 3028 36.14      
25 A" 3161 3011 14.81      
26 A" 3142 2993 7.95      
27 A" 3121 2973 5.08      
28 A" 1498 1427 7.38      
29 A" 1332 1269 0.14      
30 A" 1315 1253 0.45      
31 A" 1242 1183 0.02      
32 A" 1135 1081 0.09      
33 A" 932 888 0.50      
34 A" 794 756 0.07      
35 A" 743 707 3.21      
36 A" 369 352 0.14      
37 A" 259 247 0.11      
38 A" 119 114 0.14      
39 A" 91 87 3.23      

Unscaled Zero Point Vibrational Energy (zpe) 29008.8 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 27630.8 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 MP2/cc-pVDZ
ABC
0.49471 0.04400 0.04168

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.405 0.000
C2 1.414 0.990 0.000
C3 1.410 2.520 0.000
C4 0.015 -1.133 0.000
N5 -2.445 -2.136 0.000
C6 -1.342 -1.704 0.000
H7 2.435 2.925 0.000
H8 -0.555 0.761 0.887
H9 -0.555 0.761 -0.887
H10 1.962 0.618 0.886
H11 1.962 0.618 -0.886
H12 0.891 2.912 -0.891
H13 0.891 2.912 0.891
H14 0.552 -1.511 -0.888
H15 0.552 -1.511 0.888

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53042.54201.53793.52682.49993.50401.10511.10512.16322.16322.80572.80572.18242.1824
C21.53041.53022.54244.96693.85422.18752.17182.17181.10621.10622.18212.18212.79042.7904
C32.54201.53023.91026.04535.04161.10202.78232.78232.17012.17011.10331.10334.21584.2158
C41.53792.54243.91022.65731.47244.72432.16772.16772.76382.76384.23324.23321.10401.1040
N53.52684.96696.04532.65731.18517.03083.57153.57155.27205.27206.11616.11613.18793.1879
C62.49993.85425.04161.47241.18515.97422.73572.73574.13414.13415.20445.20442.10032.1003
H73.50402.18751.10204.72437.03085.97423.79573.79572.51622.51621.78311.78314.89984.8998
H81.10512.17182.78232.16773.57152.73573.79571.77332.52113.08193.14252.59133.08812.5274
H91.10512.17182.78232.16773.57152.73573.79571.77333.08192.52112.59133.14252.52743.0881
H102.16321.10622.17012.76385.27204.13412.51622.52113.08191.77183.09342.53213.10882.5532
H112.16321.10622.17012.76385.27204.13412.51623.08192.52111.77182.53213.09342.55323.1088
H122.80572.18211.10334.23326.11615.20441.78313.14252.59133.09342.53211.78244.43564.7790
H132.80572.18211.10334.23326.11615.20441.78312.59133.14252.53213.09341.78244.77904.4356
H142.18242.79044.21581.10403.18792.10034.89983.08812.52743.10882.55324.43564.77901.7755
H152.18242.79044.21581.10403.18792.10034.89982.52743.08812.55323.10884.77904.43561.7755

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.313 C1 C2 H10 109.200
C1 C2 H11 109.200 C1 C4 C6 112.269
C1 C4 H14 110.312 C1 C4 H15 110.312
C2 C1 C4 111.910 C2 C1 H8 109.931
C2 C1 H9 109.931 C2 C3 H7 111.373
C2 C3 H12 110.873 C2 C3 H13 110.873
C3 C2 H10 109.762 C3 C2 H11 109.762
C4 C1 H8 109.109 C4 C1 H9 109.109
C4 C6 N5 178.545 C6 C4 H14 108.367
C6 C4 H15 108.367 H7 C3 H12 107.909
H7 C3 H13 107.909 H8 C1 H9 106.707
H10 C2 H11 106.427 H12 C3 H13 107.756
H14 C4 H15 107.044
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability