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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-250.008923
Energy at 298.15K-250.018376
HF Energy-249.108025
Nuclear repulsion energy211.349553
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/TZVP
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' 3174 3009 27.70      
2 A' 3103 2941 22.95      
3 A' 3091 2930 14.27      
4 A' 3082 2921 21.48      
5 A' 3075 2915 15.42      
6 A' 2214 2099 0.05      
7 A' 1532 1452 7.91      
8 A' 1518 1439 1.48      
9 A' 1511 1432 0.83      
10 A' 1496 1418 3.12      
11 A' 1439 1364 2.93      
12 A' 1430 1355 0.47      
13 A' 1379 1308 2.24      
14 A' 1289 1222 1.05      
15 A' 1149 1089 2.39      
16 A' 1096 1039 0.12      
17 A' 1048 994 1.03      
18 A' 952 902 0.12      
19 A' 921 873 2.12      
20 A' 531 503 0.83      
21 A' 389 369 0.54      
22 A' 274 260 0.58      
23 A' 121 114 5.63      
24 A" 3171 3006 52.36      
25 A" 3161 2997 7.35      
26 A" 3142 2978 4.83      
27 A" 3119 2957 4.64      
28 A" 1523 1444 7.76      
29 A" 1347 1277 0.19      
30 A" 1330 1261 0.58      
31 A" 1260 1195 0.00      
32 A" 1152 1092 0.09      
33 A" 952 902 0.27      
34 A" 811 769 0.05      
35 A" 748 709 2.12      
36 A" 358 340 0.18      
37 A" 246 233 0.12      
38 A" 108 103 0.01      
39 A" 83 79 3.85      

Unscaled Zero Point Vibrational Energy (zpe) 29163.7 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 27644.3 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 MP2/TZVP
ABC
0.49816 0.04472 0.04233

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.394 0.000
C2 1.403 0.997 0.000
C3 1.365 2.529 0.000
C4 0.019 -1.150 0.000
N5 -2.405 -2.118 0.000
C6 -1.308 -1.719 0.000
H7 2.369 2.953 0.000
H8 -0.547 0.738 0.879
H9 -0.547 0.738 -0.879
H10 1.939 0.645 0.884
H11 1.939 0.645 -0.884
H12 0.839 2.895 -0.882
H13 0.839 2.895 0.882
H14 0.563 -1.495 -0.882
H15 0.563 -1.495 0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52762.53391.54433.47792.48483.48711.09131.09132.14562.14562.78112.78112.15932.1593
C21.52761.53202.55534.92053.83772.18072.15522.15521.09181.09182.16702.16702.77382.7738
C32.53391.53203.91765.98415.01861.09002.76342.76342.15832.15831.08991.08994.19644.1964
C41.54432.55533.91762.60971.44314.72842.15842.15842.77352.77354.22044.22041.09231.0923
N53.47794.92055.98412.60971.16766.96473.51923.51925.22375.22376.03596.03593.15873.1587
C62.48483.83775.01861.44311.16765.94492.71812.71814.11234.11235.16435.16432.08072.0807
H73.48712.18071.09004.72846.96475.94493.76593.76592.50792.50791.76711.76714.88034.8803
H81.09132.15522.76342.15843.51922.71813.76591.75892.48753.04923.11032.56363.05302.4938
H91.09132.15522.76342.15843.51922.71813.76591.75893.04922.48752.56363.11032.49383.0530
H102.14561.09182.15832.77355.22374.11232.50792.48753.04921.76813.06372.50373.09682.5440
H112.14561.09182.15832.77355.22374.11232.50793.04922.48751.76812.50373.06372.54403.0968
H122.78112.16701.08994.22046.03595.16431.76713.11032.56363.06372.50371.76354.39824.7385
H132.78112.16701.08994.22046.03595.16431.76712.56363.11032.50373.06371.76354.73854.3982
H142.15932.77384.19641.09233.15872.08074.88033.05302.49383.09682.54404.39824.73851.7634
H152.15932.77384.19641.09233.15872.08074.88032.49383.05302.54403.09684.73854.39821.7634

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.825 C1 C2 H10 108.855
C1 C2 H11 108.855 C1 C4 C6 112.513
C1 C4 H14 108.756 C1 C4 H15 108.756
C2 C1 C4 112.571 C2 C1 H8 109.632
C2 C1 H9 109.632 C2 C3 H7 111.434
C2 C3 H12 110.343 C2 C3 H13 110.343
C3 C2 H10 109.545 C3 C2 H11 109.545
C4 C1 H8 108.740 C4 C1 H9 108.740
C4 C6 N5 176.814 C6 C4 H14 109.521
C6 C4 H15 109.521 H7 C3 H12 108.311
H7 C3 H13 108.311 H8 C1 H9 107.385
H10 C2 H11 108.138 H12 C3 H13 107.996
H14 C4 H15 107.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability