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

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-210.014932
Energy at 298.15K-210.019392
Nuclear repulsion energy139.770027
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 BLYP/6-31G
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 3118 3094 14.84      
2 A 3092 3069 12.72      
3 A 3063 3040 3.85      
4 A 2959 2936 14.82      
5 A 2184 2168 12.82      
6 A 1634 1622 10.91      
7 A 1489 1477 17.47      
8 A 1425 1414 9.59      
9 A 1410 1399 0.76      
10 A 1266 1257 0.53      
11 A 1120 1111 1.36      
12 A 962 955 14.82      
13 A 879 872 2.27      
14 A 661 656 0.86      
15 A 380 377 0.15      
16 A 153 152 3.83      
17 A 3005 2982 17.98      
18 A 1488 1477 10.47      
19 A 1066 1058 0.06      
20 A 972 965 0.85      
21 A 751 746 35.76      
22 A 518 514 3.82      
23 A 275 273 2.52      
24 A 146 145 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 17007.6 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 16878.4 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 BLYP/6-31G
ABC
0.39930 0.11082 0.08818

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.235 0.264 0.000
N2 -2.270 -0.323 0.000
C3 0.000 0.989 0.000
H4 -0.088 2.080 0.000
C5 1.230 0.406 0.000
H6 2.101 1.072 0.000
C7 1.515 -1.075 0.000
H8 0.592 -1.675 0.000
H9 2.114 -1.357 0.886
H10 2.114 -1.357 -0.886

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.18921.43252.14792.46923.43243.05892.66393.82543.8254
N21.18922.62173.24543.57444.58743.85843.16434.59044.5904
C31.43252.62171.09431.36112.10222.56032.72853.28023.2802
H42.14793.24541.09432.13072.40983.53873.81534.17724.1772
C52.46923.57441.36112.13071.09641.50772.17572.16212.1621
H63.43244.58742.10222.40981.09642.22513.13342.58542.5854
C73.05893.85842.56033.53871.50772.22511.10071.10621.1062
H82.66393.16432.72853.81532.17573.13341.10071.78981.7898
H93.82544.59043.28024.17722.16212.58541.10621.78981.7715
H103.82544.59043.28024.17722.16212.58541.10621.78981.7715

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 115.784 C1 C3 C5 124.206
N2 C1 C3 179.182 C3 C5 H6 117.204
C3 C5 C7 126.287 H4 C3 C5 120.010
C5 C7 H8 112.099 C5 C7 H9 110.674
C5 C7 H10 110.674 H6 C5 C7 116.509
H8 C7 H9 108.392 H8 C7 H10 108.392
H9 C7 H10 106.405
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.038      
2 N -0.250      
3 C -0.075      
4 H 0.153      
5 C -0.018      
6 H 0.119      
7 C -0.427      
8 H 0.160      
9 H 0.150      
10 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.989 1.100 0.000 4.138
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.471 -2.615 0.000
y -2.615 -27.185 0.000
z 0.000 0.000 -30.532
Traceless
 xyz
x -6.613 -2.615 0.000
y -2.615 5.817 0.000
z 0.000 0.000 0.796
Polar
3z2-r21.593
x2-y2-8.286
xy-2.615
xz0.000
yz0.000


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> 129.639
(<r2>)1/2 11.386