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: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-246.278571
Energy at 298.15K-246.284946
Nuclear repulsion energy193.873457
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 B1B95/STO-3G
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' 3515 3103 0.21      
2 A' 3476 3069 8.46      
3 A' 3461 3056 20.19      
4 A' 3344 2953 1.68      
5 A' 3341 2950 0.52      
6 A' 2390 2110 7.53      
7 A' 1841 1626 21.47      
8 A' 1683 1487 3.44      
9 A' 1645 1453 4.19      
10 A' 1574 1390 2.02      
11 A' 1501 1325 15.11      
12 A' 1412 1247 0.15      
13 A' 1380 1219 2.04      
14 A' 1201 1060 2.22      
15 A' 1132 999 0.23      
16 A' 1034 913 1.45      
17 A' 967 854 2.08      
18 A' 593 524 0.70      
19 A' 517 457 0.24      
20 A' 268 237 0.97      
21 A' 152 134 2.21      
22 A" 3515 3103 0.52      
23 A" 3434 3033 0.00      
24 A" 1675 1479 4.74      
25 A" 1387 1225 0.03      
26 A" 1195 1055 0.24      
27 A" 1066 941 18.04      
28 A" 897 792 7.70      
29 A" 791 698 1.48      
30 A" 481 425 3.89      
31 A" 230 203 0.06      
32 A" 146 129 0.00      
33 A" 113 100 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 25677.7 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 22673.4 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 B1B95/STO-3G
ABC
0.47227 0.05053 0.04644

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.484 2.842 0.000
C2 -0.817 1.849 0.000
H3 1.086 0.805 0.000
C4 0.000 0.649 0.000
H5 -1.620 -0.706 0.000
C6 -0.527 -0.589 0.000
H7 -0.031 -2.476 0.882
H8 -0.031 -2.476 -0.882
C9 0.275 -1.885 0.000
H10 2.301 -2.680 0.000
H11 2.132 -1.148 -0.891
H12 2.132 -1.148 0.891
C13 1.805 -1.700 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.19663.27962.64823.55043.56155.58275.58275.04396.69455.45815.45815.6084
C21.19662.17031.45162.67812.45464.48304.48303.89055.49804.29764.29764.4127
H33.27962.17031.09733.09952.13153.57613.57612.81013.69062.38802.38802.6066
C42.64821.45161.09732.11191.34483.24673.24672.54904.04642.92702.92702.9628
H53.55042.67813.09952.11191.09972.53702.53702.23194.38973.88153.88153.5669
C63.56152.45462.13151.34481.09972.14142.14141.52453.51682.85912.85912.5835
H75.58274.48303.57613.24672.53702.14141.76501.10472.50123.09562.53742.1797
H85.58274.48303.57613.24672.53702.14141.76501.10472.50122.53743.09562.1797
C95.04393.89052.81012.54902.23191.52451.10471.10472.17622.18762.18761.5418
H106.69455.49803.69064.04644.38973.51682.50122.50122.17621.77991.77991.0977
H115.45814.29762.38802.92703.88152.85913.09562.53742.18761.77991.78171.0977
H125.45814.29762.38802.92703.88152.85912.53743.09562.18761.77991.78171.0977
C135.60844.41272.60662.96283.56692.58352.17972.17971.54181.09771.09771.0977

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 179.679 C2 C4 H3 116.052
C2 C4 C6 122.706 H3 C4 C6 121.243
C4 C6 H5 119.186 C4 C6 C9 125.229
H5 C6 C9 115.585 C6 C9 H7 108.005
C6 C9 H8 108.005 C6 C9 C13 114.821
H7 C9 H8 106.039 H7 C9 C13 109.793
H8 C9 C13 109.793 C9 C13 H10 109.931
C9 C13 H11 110.828 C9 C13 H12 110.828
H10 C13 H11 108.340 H10 C13 H12 108.340
H11 C13 H12 108.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.183      
2 C 0.060      
3 H 0.107      
4 C -0.096      
5 H 0.096      
6 C -0.045      
7 H 0.091      
8 H 0.091      
9 C -0.141      
10 H 0.084      
11 H 0.081      
12 H 0.081      
13 C -0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.629 -3.378 0.000 3.750
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.067 5.601 0.000
y 5.601 -41.080 0.000
z 0.000 0.000 -34.027
Traceless
 xyz
x 2.487 5.601 0.000
y 5.601 -6.533 0.000
z 0.000 0.000 4.047
Polar
3z2-r28.093
x2-y26.013
xy5.601
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.297 -1.187 0.000
y -1.187 7.780 0.000
z 0.000 0.000 2.306


<r2> (average value of r2) Å2
<r2> 228.913
(<r2>)1/2 15.130