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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-249.496602
Energy at 298.15K-249.505941
HF Energy-248.934786
Nuclear repulsion energy206.475610
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/LANL2DZ
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' 3123 3008 46.71      
2 A' 3047 2934 38.60      
3 A' 3036 2924 18.09      
4 A' 3021 2910 15.16      
5 A' 3017 2906 44.47      
6 A' 2048 1972 1.30      
7 A' 1546 1489 10.87      
8 A' 1534 1478 4.10      
9 A' 1530 1474 0.32      
10 A' 1518 1462 2.47      
11 A' 1460 1406 6.59      
12 A' 1429 1377 0.37      
13 A' 1407 1355 2.23      
14 A' 1320 1271 0.24      
15 A' 1140 1098 6.18      
16 A' 1076 1036 0.08      
17 A' 1021 983 0.60      
18 A' 926 892 0.29      
19 A' 892 859 4.45      
20 A' 513 494 3.08      
21 A' 378 364 0.59      
22 A' 271 261 0.39      
23 A' 122 117 4.67      
24 A" 3122 3007 104.14      
25 A" 3114 2999 6.59      
26 A" 3095 2980 5.04      
27 A" 3071 2957 7.51      
28 A" 1542 1485 9.65      
29 A" 1346 1297 0.26      
30 A" 1338 1288 0.32      
31 A" 1277 1230 0.00      
32 A" 1180 1136 0.48      
33 A" 973 937 0.49      
34 A" 828 797 0.23      
35 A" 753 726 4.98      
36 A" 351 338 0.08      
37 A" 227 219 0.08      
38 A" 104 100 0.05      
39 A" 84 81 3.69      

Unscaled Zero Point Vibrational Energy (zpe) 28888.7 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 27822.7 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/LANL2DZ
ABC
0.48597 0.04239 0.04019

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
C2 1.452 0.990 0.000
C3 1.468 2.551 0.000
C4 -0.000 -1.149 0.000
N5 -2.513 -2.160 0.000
C6 -1.383 -1.718 0.000
H7 2.503 2.937 0.000
H8 -0.545 0.782 0.893
H9 -0.545 0.782 -0.893
H10 1.990 0.612 0.893
H11 1.990 0.612 -0.893
H12 0.952 2.945 -0.895
H13 0.952 2.945 0.895
H14 0.535 -1.522 -0.894
H15 0.535 -1.522 0.894

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.56002.58811.56833.60072.54543.55011.10741.10742.18932.18932.84402.84402.20292.2029
C21.56001.56072.58545.06353.92012.21242.19742.19741.10871.10872.20732.20732.81972.8197
C32.58811.56073.98046.16725.13291.10482.82462.82462.19732.19731.10561.10564.27284.2728
C41.56832.58543.98042.70811.49494.79172.19622.19622.80322.80324.29774.29771.10621.1062
N53.60075.06356.16722.70811.21337.15073.65013.65015.36205.36206.23456.23453.23893.2389
C62.54543.92015.13291.49491.21336.06342.78362.78364.19504.19505.29125.29122.12432.1243
H73.55012.21241.10484.79177.15076.06343.83823.83822.54262.54261.79041.79044.95524.9552
H81.10742.19742.82462.19623.65012.78363.83821.78612.54073.10543.18112.63093.10912.5445
H91.10742.19742.82462.19623.65012.78363.83821.78613.10542.54072.63093.18112.54453.1091
H102.18931.10872.19732.80325.36204.19502.54262.54073.10541.78513.11692.55333.14032.5829
H112.18931.10872.19732.80325.36204.19502.54263.10542.54071.78512.55333.11692.58293.1403
H122.84402.20731.10564.29776.23455.29121.79043.18112.63093.11692.55331.79024.48664.8300
H132.84402.20731.10564.29776.23455.29121.79042.63093.18112.55333.11691.79024.83004.4866
H142.20292.81974.27281.10623.23892.12434.95523.10912.54453.14032.58294.48664.83001.7870
H152.20292.81974.27281.10623.23892.12434.95522.54453.10912.58293.14034.83004.48661.7870

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.061 C1 C2 H10 109.075
C1 C2 H11 109.075 C1 C4 C6 112.376
C1 C4 H14 109.702 C1 C4 H15 109.702
C2 C1 C4 111.477 C2 C1 H8 109.768
C2 C1 H9 109.768 C2 C3 H7 111.044
C2 C3 H12 110.597 C2 C3 H13 110.597
C3 C2 H10 109.639 C3 C2 H11 109.639
C4 C1 H8 109.119 C4 C1 H9 109.119
C4 C6 N5 178.998 C6 C4 H14 108.593
C6 C4 H15 108.593 H7 C3 H12 108.190
H7 C3 H13 108.190 H8 C1 H9 107.499
H10 C2 H11 107.228 H12 C3 H13 108.120
H14 C4 H15 107.755
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability