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

using model chemistry: HF/CEP-121G*

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-121G*
 hartrees
Energy at 0K-41.184077
Energy at 298.15K-41.191195
Nuclear repulsion energy105.280178
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-121G*
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 3379 3053 6.53      
2 A 3327 3006 19.76      
3 A 3274 2958 39.47      
4 A 3264 2948 54.12      
5 A 3247 2933 22.72      
6 A 3196 2888 24.75      
7 A 3183 2876 48.84      
8 A 2539 2294 46.02      
9 A 1817 1642 22.80      
10 A 1637 1478 5.66      
11 A 1628 1471 5.32      
12 A 1619 1462 4.14      
13 A 1548 1398 0.82      
14 A 1534 1386 1.37      
15 A 1457 1316 8.55      
16 A 1401 1266 0.49      
17 A 1348 1217 1.13      
18 A 1232 1113 0.75      
19 A 1190 1075 4.42      
20 A 1107 1000 1.43      
21 A 1080 976 2.49      
22 A 1008 910 5.17      
23 A 903 816 3.87      
24 A 862 778 14.94      
25 A 829 749 37.06      
26 A 710 642 0.92      
27 A 614 554 0.63      
28 A 430 388 0.47      
29 A 397 358 0.02      
30 A 259 234 0.82      
31 A 233 210 2.65      
32 A 160 144 5.19      
33 A 58 52 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 25233.5 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 22795.9 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-121G*
ABC
0.25499 0.06571 0.05637

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.845 -0.155 -0.085
N2 -2.537 -1.058 -0.044
C3 -0.981 1.014 -0.148
H4 -1.465 1.926 -0.450
C5 0.318 0.976 0.145
H6 0.859 1.907 0.060
C7 1.122 -0.228 0.573
H8 0.480 -1.097 0.662
H9 1.530 -0.026 1.562
C10 2.278 -0.517 -0.404
H11 1.902 -0.753 -1.395
H12 2.946 0.338 -0.490
H13 2.864 -1.363 -0.055

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.13921.45472.14692.45063.40323.03982.61743.75694.15114.01334.83244.8611
N21.13922.59383.19753.51044.50983.80283.09914.49254.85944.65015.67545.4098
C31.45472.59381.07551.33182.05612.54742.69283.21103.61063.60413.99954.5218
H42.14693.19751.07552.10542.37943.51873.76334.10184.47024.40494.68795.4509
C52.45063.51041.33182.10541.08031.51042.14302.11722.52472.80482.77803.4632
H63.40324.50982.05612.37941.08032.21133.08702.53772.84643.20552.66773.8368
C73.03983.80282.54743.51871.51042.21131.08411.08881.54062.18042.18532.1713
H82.61743.09912.69283.76332.14303.08701.08411.74932.16912.52353.07642.5031
H93.75694.49253.21104.10182.11722.53771.08881.74932.16023.06772.52002.4865
C104.15114.85943.61064.47022.52472.84641.54062.16912.16021.08641.08771.0863
H114.01334.65013.60414.40492.80483.20552.18042.52353.06771.08641.75991.7591
H124.83245.67543.99954.68792.77802.66772.18533.07642.52001.08771.75991.7573
H134.86115.40984.52185.45093.46323.83682.17132.50312.48651.08631.75911.7573

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 115.282 C1 C3 C5 123.090
N2 C1 C3 178.891 C3 C5 H6 116.559
C3 C5 C7 127.224 H4 C3 C5 121.628
C5 C7 H8 110.293 C5 C7 H9 107.981
C5 C7 C10 111.680 H6 C5 C7 116.216
C7 C10 H11 111.022 C7 C10 H12 111.328
C7 C10 H13 110.294 H8 C7 H9 107.228
H8 C7 C10 110.250 H9 C7 C10 109.273
H11 C10 H12 108.092 H11 C10 H13 108.116
H12 C10 H13 107.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.100      
2 N -0.087      
3 C -0.233      
4 H 0.257      
5 C -0.124      
6 H 0.215      
7 C -0.288      
8 H 0.199      
9 H 0.169      
10 C -0.521      
11 H 0.170      
12 H 0.158      
13 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.633 2.765 0.105 4.567
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.017 -6.175 1.147
y -6.175 -36.457 -0.764
z 1.147 -0.764 -37.651
Traceless
 xyz
x -6.963 -6.175 1.147
y -6.175 4.377 -0.764
z 1.147 -0.764 2.586
Polar
3z2-r25.172
x2-y2-7.560
xy-6.175
xz1.147
yz-0.764


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.586 1.060 0.586
y 1.060 8.138 -0.168
z 0.586 -0.168 6.047


<r2> (average value of r2) Å2
<r2> 159.832
(<r2>)1/2 12.642