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

using model chemistry: LSDA/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/3-21G
 hartrees
Energy at 0K-207.810347
Energy at 298.15K-207.815034
Nuclear repulsion energy142.445910
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 LSDA/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 3125 3074 1.62      
2 A 3105 3054 3.84      
3 A 3067 3017 0.55      
4 A 2973 2925 1.76      
5 A 2284 2247 7.71      
6 A 1668 1641 11.91      
7 A 1477 1453 25.97      
8 A 1405 1382 20.69      
9 A 1393 1370 11.50      
10 A 1248 1228 2.12      
11 A 1123 1104 1.41      
12 A 979 963 21.43      
13 A 926 911 4.61      
14 A 699 687 2.39      
15 A 423 416 0.45      
16 A 168 165 3.61      
17 A 3035 2985 2.38      
18 A 1477 1453 16.81      
19 A 1057 1040 1.35      
20 A 969 953 0.86      
21 A 773 760 45.28      
22 A 578 568 16.51      
23 A 303 298 2.19      
24 A 172 169 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 17213.5 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 16931.2 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 LSDA/3-21G
ABC
0.39474 0.12026 0.09381

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.190 0.251 0.000
N2 -2.178 -0.382 0.000
C3 0.000 1.000 0.000
H4 -0.101 2.091 0.000
C5 1.214 0.424 0.000
H6 2.100 1.071 0.000
C7 1.433 -1.042 0.000
H8 0.471 -1.584 0.000
H9 2.016 -1.352 0.888
H10 2.016 -1.352 -0.888

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.17321.40612.13842.40963.39002.92422.47543.69313.6931
N21.17322.57923.22953.48564.51723.67062.90904.39564.3956
C31.40612.57921.09591.34362.10082.49472.62723.22303.2230
H42.13843.22951.09592.12362.42593.48873.72014.13884.1388
C52.40963.48561.34362.12361.09711.48182.14092.14162.1416
H63.39004.51722.10082.42591.09712.21503.11472.58162.5816
C72.92423.67062.49473.48871.48182.21501.10451.10701.1070
H82.47542.90902.62723.72012.14093.11471.10451.79751.7975
H93.69314.39563.22304.13882.14162.58161.10701.79751.7764
H103.69314.39563.22304.13882.14162.58161.10701.79751.7764

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 116.908 C1 C3 C5 122.388
N2 C1 C3 179.553 C3 C5 H6 118.451
C3 C5 C7 123.935 H4 C3 C5 120.704
C5 C7 H8 110.906 C5 C7 H9 110.804
C5 C7 H10 110.804 H6 C5 C7 117.614
H8 C7 H9 108.744 H8 C7 H10 108.744
H9 C7 H10 106.711
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.247      
2 N -0.447      
3 C -0.197      
4 H 0.258      
5 C -0.136      
6 H 0.228      
7 C -0.700      
8 H 0.252      
9 H 0.248      
10 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.717 1.083 0.000 3.871
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.830 -2.577 0.000
y -2.577 -26.789 0.000
z 0.000 0.000 -30.851
Traceless
 xyz
x -5.010 -2.577 0.000
y -2.577 5.551 0.000
z 0.000 0.000 -0.542
Polar
3z2-r2-1.083
x2-y2-7.041
xy-2.577
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.404 -0.036 0.000
y -0.036 6.052 0.000
z 0.000 0.000 3.158


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000