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

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-41.160718
Energy at 298.15K-41.167792
Nuclear repulsion energy104.800708
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 HF/CEP-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 3414 3065 10.19      
2 A 3356 3014 25.73      
3 A 3315 2977 40.10      
4 A 3296 2960 64.17      
5 A 3283 2948 34.21      
6 A 3238 2908 31.12      
7 A 3219 2891 57.43      
8 A 2590 2326 59.91      
9 A 1855 1665 22.86      
10 A 1634 1468 6.24      
11 A 1624 1459 5.11      
12 A 1616 1451 4.20      
13 A 1548 1390 0.21      
14 A 1529 1373 1.76      
15 A 1451 1303 9.05      
16 A 1401 1258 0.49      
17 A 1340 1203 1.06      
18 A 1227 1102 0.95      
19 A 1189 1067 4.88      
20 A 1103 991 1.66      
21 A 1088 977 2.92      
22 A 1020 916 5.72      
23 A 914 821 3.75      
24 A 860 772 24.04      
25 A 833 748 30.33      
26 A 705 633 1.02      
27 A 607 545 0.43      
28 A 426 383 0.26      
29 A 399 358 0.06      
30 A 256 230 0.46      
31 A 227 204 2.65      
32 A 161 145 4.97      
33 A 54 49 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 25388.5 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 22798.9 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 HF/CEP-31G*
ABC
0.24671 0.06601 0.05635

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.841 -0.153 -0.085
N2 -2.529 -1.078 -0.035
C3 -0.984 1.031 -0.158
H4 -1.469 1.941 -0.473
C5 0.329 0.992 0.146
H6 0.874 1.924 0.055
C7 1.127 -0.217 0.587
H8 0.475 -1.078 0.711
H9 1.565 0.007 1.562
C10 2.260 -0.538 -0.414
H11 1.853 -0.801 -1.391
H12 2.927 0.317 -0.542
H13 2.854 -1.379 -0.054

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.15341.46342.16182.46493.42173.04452.61833.78724.13213.97104.81304.8527
N21.15342.61673.22913.53344.53863.80723.09524.52624.83374.59485.65405.3912
C31.46342.61671.07791.34852.07292.56362.70783.24133.61263.59503.99444.5334
H42.16183.22911.07792.12492.40203.53853.78074.13344.47824.40414.68705.4669
C52.46493.53341.34852.12491.08331.51482.15092.12212.52692.81122.77153.4700
H63.42174.53862.07292.40201.08332.22063.09842.53442.86393.23642.67463.8526
C73.04453.80722.56363.53851.51482.22061.08701.09211.54492.18642.19062.1777
H82.61833.09522.70783.78072.15093.09841.08701.75762.17722.52833.08642.5167
H93.78724.52623.24134.13342.12212.53441.09211.75762.16423.07552.52572.4891
C104.13214.83373.61264.47822.52692.86391.54492.17722.16421.09121.09211.0907
H113.97104.59483.59504.40412.81123.23642.18642.52833.07551.09121.76781.7678
H124.81305.65403.99444.68702.77152.67462.19063.08642.52571.09211.76781.7664
H134.85275.39124.53345.46693.47003.85262.17772.51672.48911.09071.76781.7664

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 115.731 C1 C3 C5 122.407
N2 C1 C3 179.192 C3 C5 H6 116.527
C3 C5 C7 126.995 H4 C3 C5 121.862
C5 C7 H8 110.438 C5 C7 H9 107.878
C5 C7 C10 111.345 H6 C5 C7 116.473
C7 C10 H11 110.904 C7 C10 H12 111.178
C7 C10 H13 110.246 H8 C7 H9 107.530
H8 C7 C10 110.422 H9 C7 C10 109.107
H11 C10 H12 108.132 H11 C10 H13 108.235
H12 C10 H13 108.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.617      
2 N 0.334      
3 C -0.209      
4 H 0.290      
5 C -0.276      
6 H 0.232      
7 C 0.025      
8 H 0.153      
9 H 0.086      
10 C -0.392      
11 H 0.115      
12 H 0.112      
13 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.695 2.822 0.076 4.650
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.834 -6.090 1.243
y -6.090 -36.400 -0.783
z 1.243 -0.783 -37.512
Traceless
 xyz
x -6.878 -6.090 1.243
y -6.090 4.273 -0.783
z 1.243 -0.783 2.605
Polar
3z2-r25.210
x2-y2-7.434
xy-6.090
xz1.243
yz-0.783


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.310 1.060 0.551
y 1.060 7.717 -0.170
z 0.551 -0.170 5.566


<r2> (average value of r2) Å2
<r2> 160.011
(<r2>)1/2 12.650