return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-248.725291
Energy at 298.15K 
HF Energy-247.853279
Nuclear repulsion energy196.244031
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.48668 0.05166 0.04751

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.503 2.780 0.000
C2 -0.852 1.818 0.000
H3 1.063 0.849 0.000
C4 0.000 0.655 0.000
H5 -1.584 -0.708 0.000
C6 -0.507 -0.585 0.000
H7 -0.007 -2.443 0.870
H8 -0.007 -2.443 -0.870
C9 0.296 -1.855 0.000
H10 2.304 -2.640 0.000
H11 2.140 -1.125 -0.882
H12 2.140 -1.125 0.882
C13 1.809 -1.671 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.16103.21102.60223.48843.50915.50185.50184.97116.62315.41245.41245.5479
C21.16102.14641.44172.62982.42794.43034.43033.84805.46244.28864.28864.3884
H33.21102.14641.08043.07082.12623.56923.56922.81063.70322.41562.41562.6284
C42.60221.44171.08042.08981.34003.21813.21812.52744.02102.92002.92002.9471
H53.48842.62983.07082.08981.08412.50072.50072.20174.34173.84933.84933.5271
C63.50912.42792.12621.34001.08412.11142.11141.50193.48202.84142.84142.5579
H75.50184.43033.56923.21812.50072.11141.74011.09292.47763.06862.51902.1567
H85.50184.43033.56923.21812.50072.11141.74011.09292.47762.51903.06862.1567
C94.97113.84802.81062.52742.20171.50191.09291.09292.15682.17072.17071.5247
H106.62315.46243.70324.02104.34173.48202.47762.47762.15681.76081.76081.0880
H115.41244.28862.41562.92003.84932.84143.06862.51902.17071.76081.76491.0891
H125.41244.28862.41562.92003.84932.84142.51903.06862.17071.76081.76491.0891
C135.54794.38842.62842.94713.52712.55792.15672.15671.52471.08801.08911.0891

picture of (E)-2-Pentenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 177.848 C2 C4 H3 115.911
C2 C4 C6 121.534 H3 C4 C6 122.555
C4 C6 H5 118.729 C4 C6 C9 125.486
H5 C6 C9 115.785 C6 C9 H7 107.879
C6 C9 H8 107.879 C6 C9 C13 115.372
H7 C9 H8 105.511 H7 C9 C13 109.858
H8 C9 C13 109.858 C9 C13 H10 110.157
C9 C13 H11 111.201 C9 C13 H12 111.201
H10 C13 H11 107.959 H10 C13 H12 107.959
H11 C13 H12 108.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability