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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-41.063534
Energy at 298.15K-41.070721
Nuclear repulsion energy104.778635
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 3361 3067 11.00      
2 A 3304 3015 18.57      
3 A 3248 2964 55.55      
4 A 3243 2959 54.52      
5 A 3223 2941 11.20      
6 A 3164 2887 25.91      
7 A 3145 2869 53.80      
8 A 2464 2249 54.16      
9 A 1806 1648 19.30      
10 A 1644 1500 10.38      
11 A 1636 1493 7.28      
12 A 1632 1489 5.56      
13 A 1556 1420 2.78      
14 A 1539 1404 1.04      
15 A 1474 1345 3.66      
16 A 1406 1283 0.29      
17 A 1368 1249 1.43      
18 A 1251 1142 1.69      
19 A 1205 1100 4.71      
20 A 1124 1025 3.29      
21 A 1099 1003 2.19      
22 A 1020 930 6.19      
23 A 909 829 6.73      
24 A 884 806 21.72      
25 A 849 775 33.78      
26 A 723 660 0.34      
27 A 621 566 1.96      
28 A 431 393 0.15      
29 A 398 363 0.13      
30 A 258 235 1.28      
31 A 231 210 2.09      
32 A 160 146 4.58      
33 A 54 50 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 25213.9 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 23007.6 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 HF/CEP-121G
ABC
0.25647 0.06446 0.05546

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 -1.859 -0.145 -0.086
N2 -2.570 -1.057 -0.047
C3 -0.988 1.013 -0.143
H4 -1.463 1.929 -0.438
C5 0.323 0.973 0.146
H6 0.868 1.901 0.065
C7 1.129 -0.238 0.567
H8 0.491 -1.112 0.632
H9 1.523 -0.057 1.565
C10 2.304 -0.511 -0.401
H11 1.941 -0.732 -1.400
H12 2.970 0.346 -0.464
H13 2.885 -1.361 -0.057

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.15691.45002.14052.46303.41253.05962.64043.76484.19094.06414.86884.8981
N21.15692.60683.20823.53954.53663.83773.13574.51164.91714.72125.73025.4640
C31.45002.60681.07371.34322.06792.55862.70183.21953.63643.63394.02644.5436
H42.14053.20821.07372.10892.38523.52463.76954.10774.48864.42724.70765.4665
C52.46303.53951.34322.10891.07911.51362.14692.12422.53452.81352.78763.4717
H63.41254.53662.06792.38521.07912.21203.08842.55132.84543.19862.66773.8373
C73.05963.83772.55863.52461.51362.21201.08391.08851.54642.18482.18962.1764
H82.64043.13572.70183.76952.14693.08841.08391.74662.17102.52523.07782.5040
H93.76484.51163.21954.10772.12422.55131.08851.74662.16303.06952.52442.4872
C104.19094.91713.63644.48862.53452.84541.54642.17102.16301.08591.08751.0858
H114.06414.72123.63394.42722.81353.19862.18482.52523.06951.08591.75941.7585
H124.86885.73024.02644.70762.78762.66772.18963.07782.52441.08751.75941.7573
H134.89815.46404.54365.46653.47173.83732.17642.50402.48721.08581.75851.7573

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 115.214 C1 C3 C5 123.666
N2 C1 C3 178.970 C3 C5 H6 116.809
C3 C5 C7 127.082 H4 C3 C5 121.120
C5 C7 H8 110.390 C5 C7 H9 108.331
C5 C7 C10 111.840 H6 C5 C7 116.108
C7 C10 H11 110.982 C7 C10 H12 111.278
C7 C10 H13 110.320 H8 C7 H9 107.018
H8 C7 C10 110.006 H9 C7 C10 109.113
H11 C10 H12 108.097 H11 C10 H13 108.130
H12 C10 H13 107.913
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 -0.410      
2 N 0.144      
3 C -0.100      
4 H 0.215      
5 C -0.030      
6 H 0.165      
7 C -0.316      
8 H 0.175      
9 H 0.152      
10 C -0.456      
11 H 0.155      
12 H 0.142      
13 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.760 2.798 0.114 4.688
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.914 -6.590 1.072
y -6.590 -37.202 -0.727
z 1.072 -0.727 -38.002
Traceless
 xyz
x -7.312 -6.590 1.072
y -6.590 4.256 -0.727
z 1.072 -0.727 3.056
Polar
3z2-r26.112
x2-y2-7.712
xy-6.590
xz1.072
yz-0.727


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.730 1.219 0.647
y 1.219 8.044 -0.172
z 0.647 -0.172 5.829


<r2> (average value of r2) Å2
<r2> 162.145
(<r2>)1/2 12.734