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All results from a given calculation for C4H5N ((Z)-2-Butenenitrile)

using model chemistry: B3PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-210.091973
Energy at 298.15K-210.096490
Nuclear repulsion energy141.421400
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 B3PW91/aug-cc-pVDZ
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 3198 3085 3.39      
2 A 3171 3059 7.68      
3 A 3147 3035 1.44      
4 A 3036 2928 8.41      
5 A 2327 2244 21.55      
6 A 1700 1640 18.51      
7 A 1450 1398 15.78      
8 A 1410 1360 6.35      
9 A 1370 1321 5.37      
10 A 1251 1207 0.57      
11 A 1115 1076 0.04      
12 A 969 935 15.76      
13 A 914 882 2.67      
14 A 663 640 1.86      
15 A 391 377 0.14      
16 A 154 149 4.95      
17 A 3099 2989 7.23      
18 A 1444 1393 8.12      
19 A 1048 1011 0.68      
20 A 972 938 0.98      
21 A 746 719 37.39      
22 A 523 504 2.88      
23 A 285 275 2.76      
24 A 145 140 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 17263.1 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 16652.0 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 B3PW91/aug-cc-pVDZ
ABC
0.40417 0.11444 0.09069

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.223 0.250 0.000
N2 -2.230 -0.335 0.000
C3 0.000 0.988 0.000
H4 -0.099 2.075 0.000
C5 1.213 0.406 0.000
H6 2.080 1.073 0.000
C7 1.490 -1.057 0.000
H8 0.569 -1.652 0.000
H9 2.089 -1.330 0.882
H10 2.089 -1.330 -0.882

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16441.42822.14332.44063.40403.01102.61293.77403.7740
N21.16442.59253.21693.52134.53403.78883.09274.51874.5187
C31.42822.59251.09151.34522.08202.53002.70033.24273.2427
H42.14333.21691.09152.12272.39843.51183.78614.14234.1423
C52.44063.52131.34522.12271.09411.48892.15622.13532.1353
H63.40404.53402.08202.39841.09412.21023.11582.55982.5598
C73.01103.78882.53003.51181.48892.21021.09631.10081.1008
H82.61293.09272.70033.78612.15623.11581.09631.78671.7867
H93.77404.51873.24274.14232.13532.55981.10081.78671.7640
H103.77404.51873.24274.14232.13532.55981.10081.78671.7640

picture of (Z)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.915 C1 C3 C5 123.259
N2 C1 C3 179.056 C3 C5 H6 116.811
C3 C5 C7 126.352 H4 C3 C5 120.826
C5 C7 H8 112.140 C5 C7 H9 110.184
C5 C7 H10 110.184 H6 C5 C7 116.837
H8 C7 H9 108.827 H8 C7 H10 108.827
H9 C7 H10 106.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.368      
2 N -0.278      
3 C 1.038      
4 H -0.489      
5 C 0.591      
6 H -0.542      
7 C 0.257      
8 H -0.167      
9 H -0.021      
10 H -0.021      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.198 1.146 0.000 4.352
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.628 -2.605 0.000
y -2.605 -27.354 0.000
z 0.000 0.000 -31.039
Traceless
 xyz
x -6.432 -2.605 0.000
y -2.605 5.980 0.000
z 0.000 0.000 0.452
Polar
3z2-r20.903
x2-y2-8.274
xy-2.605
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.451 -0.130 0.000
y -0.130 7.709 0.000
z 0.000 0.000 5.684


<r2> (average value of r2) Å2
<r2> 126.863
(<r2>)1/2 11.263