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All results from a given calculation for C5H7N ((Z)-2-Pentenenitrile)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-248.692957
Energy at 298.15K-248.699779
HF Energy-247.849512
Nuclear repulsion energy198.918731
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 MP2/6-31G**
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 3283 3075 3.28      
2 A 3241 3035 11.25      
3 A 3234 3029 21.72      
4 A 3227 3022 19.50      
5 A 3190 2987 2.59      
6 A 3131 2933 24.42      
7 A 3126 2928 12.09      
8 A 2198 2058 0.82      
9 A 1715 1606 1.66      
10 A 1564 1465 4.43      
11 A 1558 1459 5.68      
12 A 1539 1441 3.55      
13 A 1464 1371 1.15      
14 A 1453 1361 0.29      
15 A 1377 1289 2.22      
16 A 1332 1247 0.05      
17 A 1283 1201 0.24      
18 A 1170 1096 0.59      
19 A 1124 1052 3.65      
20 A 1067 999 3.05      
21 A 988 925 0.45      
22 A 982 920 2.81      
23 A 890 833 3.26      
24 A 825 772 4.52      
25 A 770 721 34.73      
26 A 663 621 1.62      
27 A 556 520 0.31      
28 A 392 367 0.28      
29 A 363 340 0.05      
30 A 250 234 0.27      
31 A 211 198 3.47      
32 A 149 139 4.45      
33 A 54 50 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 24182.2 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 22646.6 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 MP2/6-31G**
ABC
0.24335 0.06829 0.05785

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.728 -0.107 -0.082
N2 -2.440 -1.050 -0.008
C3 -0.877 1.042 -0.177
H4 -1.341 1.959 -0.514
C5 0.432 0.997 0.135
H6 1.001 1.914 0.027
C7 1.181 -0.215 0.586
H8 0.489 -1.046 0.732
H9 1.641 -0.004 1.555
C10 2.269 -0.608 -0.417
H11 1.828 -0.860 -1.380
H12 2.973 0.210 -0.570
H13 2.827 -1.472 -0.060

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.18371.43282.14602.43523.39822.98692.54193.74714.04243.85964.73734.7554
N21.18372.61643.24283.52954.54223.76363.02214.49384.74804.48745.58675.2848
C31.43282.61641.08171.34612.08122.52952.65533.23023.56043.51823.95874.4780
H42.14603.24281.08172.11852.40403.50673.73234.12614.43054.32844.65565.4174
C52.43523.52951.34612.11851.08541.49482.12882.11692.50102.77302.75243.4454
H63.39824.54222.08122.40401.08542.20933.08582.53492.85773.21842.67433.8483
C72.98693.76362.52953.50671.49482.20931.09061.09301.53082.16742.17462.1693
H82.54193.02212.65533.73232.12883.08581.09061.75702.16342.50753.07282.5050
H93.74714.49383.23024.12612.11692.53491.09301.75702.15543.06232.51702.4835
C104.04244.74803.56044.43052.50102.85771.53082.16342.15541.08881.08971.0889
H113.85964.48743.51824.32842.77303.21842.16742.50753.06231.08881.76391.7650
H124.73735.58673.95874.65562.75242.67432.17463.07282.51701.08971.76391.7634
H134.75545.28484.47805.41743.44543.84832.16932.50502.48351.08891.76501.7634

picture of (Z)-2-Pentenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.485 C1 C3 C5 122.370
N2 C1 C3 179.398 C3 C5 H6 117.314
C3 C5 C7 125.759 H4 C3 C5 121.145
C5 C7 H8 109.870 C5 C7 H9 108.783
C5 C7 C10 111.497 H6 C5 C7 116.909
C7 C10 H11 110.524 C7 C10 H12 111.045
C7 C10 H13 110.670 H8 C7 H9 107.148
H8 C7 C10 110.102 H9 C7 C10 109.330
H11 C10 H12 108.131 H11 C10 H13 108.291
H12 C10 H13 108.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability