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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-248.033159
Energy at 298.15K-248.040188
Nuclear repulsion energy199.523738
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 mPW1PW91/3-21G
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 3221 3075 3.36      
2 A 3194 3049 6.08      
3 A 3165 3021 16.99      
4 A 3155 3011 17.73      
5 A 3129 2987 0.24      
6 A 3077 2938 22.59      
7 A 3073 2934 8.55      
8 A 2354 2247 12.00      
9 A 1705 1628 14.35      
10 A 1570 1499 10.16      
11 A 1566 1494 10.21      
12 A 1541 1471 10.39      
13 A 1468 1402 5.23      
14 A 1450 1384 1.37      
15 A 1377 1314 0.37      
16 A 1336 1276 0.26      
17 A 1296 1237 0.79      
18 A 1177 1124 1.63      
19 A 1124 1073 5.72      
20 A 1035 988 2.93      
21 A 1028 981 5.16      
22 A 983 938 3.75      
23 A 882 842 5.48      
24 A 837 799 12.07      
25 A 812 775 43.13      
26 A 710 678 1.46      
27 A 633 604 6.51      
28 A 430 410 0.08      
29 A 408 389 0.80      
30 A 247 236 0.52      
31 A 221 211 2.72      
32 A 160 153 3.45      
33 A 51 49 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 24206.2 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 23107.2 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 mPW1PW91/3-21G
ABC
0.24406 0.06889 0.05851

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.723 -0.111 -0.085
N2 -2.418 -1.043 -0.005
C3 -0.878 1.025 -0.182
H4 -1.346 1.939 -0.532
C5 0.423 0.999 0.136
H6 0.997 1.916 0.027
C7 1.176 -0.209 0.601
H8 0.486 -1.044 0.758
H9 1.659 0.016 1.562
C10 2.260 -0.606 -0.427
H11 1.796 -0.865 -1.382
H12 2.960 0.220 -0.592
H13 2.825 -1.470 -0.067

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.16541.41832.13142.42613.39402.98112.54163.76324.02783.82544.72174.7473
N21.16542.58363.21213.50154.51873.73913.00204.49354.71684.43675.55505.2611
C31.41832.58361.08491.33982.08712.52172.65023.23953.54493.48763.94324.4674
H42.13143.21211.08492.11132.40883.50183.73064.13644.41444.29584.63665.4074
C52.42613.50151.33982.11131.08721.49862.13702.12792.50332.76852.75203.4515
H63.39404.51872.08712.40881.08722.20933.09192.53112.85663.21822.66713.8498
C72.98113.73912.52173.50181.49862.20931.09471.09801.54512.17912.18842.1809
H82.54163.00202.65023.73062.13703.09191.09471.77352.17752.51573.08882.5172
H93.76324.49353.23954.13642.12792.53111.09801.77352.16833.07622.52492.4948
C104.02784.71683.54494.41442.50332.85661.54512.17752.16831.09351.09501.0940
H113.82544.43673.48764.29582.76853.21822.17912.51573.07621.09351.77631.7768
H124.72175.55503.94324.63662.75202.66712.18843.08882.52491.09501.77631.7749
H134.74735.26114.46745.40743.45153.84982.18092.51722.49481.09401.77681.7749

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 116.107 C1 C3 C5 123.168
N2 C1 C3 179.935 C3 C5 H6 118.245
C3 C5 C7 125.255 H4 C3 C5 120.725
C5 C7 H8 110.011 C5 C7 H9 109.099
C5 C7 C10 110.653 H6 C5 C7 116.480
C7 C10 H11 110.177 C7 C10 H12 110.822
C7 C10 H13 110.287 H8 C7 H9 107.966
H8 C7 C10 109.981 H9 C7 C10 109.075
H11 C10 H12 108.511 H11 C10 H13 108.630
H12 C10 H13 108.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.298      
2 N -0.505      
3 C -0.210      
4 H 0.269      
5 C -0.122      
6 H 0.237      
7 C -0.524      
8 H 0.255      
9 H 0.245      
10 C -0.620      
11 H 0.233      
12 H 0.216      
13 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.163 2.415 -0.052 3.980
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.385 -5.215 1.223
y -5.215 -35.723 -0.858
z 1.223 -0.858 -36.952
Traceless
 xyz
x -5.048 -5.215 1.223
y -5.215 3.445 -0.858
z 1.223 -0.858 1.602
Polar
3z2-r23.205
x2-y2-5.662
xy-5.215
xz1.223
yz-0.858


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


<r2> (average value of r2) Å2
<r2> 195.984
(<r2>)1/2 13.999