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

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-208.834725
Energy at 298.15K-208.839541
Nuclear repulsion energy142.091617
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/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 3369 3068 3.96      
2 A 3324 3027 10.24      
3 A 3279 2986 6.43      
4 A 3172 2888 16.50      
5 A 2568 2338 47.50      
6 A 1841 1676 26.32      
7 A 1578 1437 14.50      
8 A 1538 1400 1.44      
9 A 1497 1363 3.20      
10 A 1348 1227 1.43      
11 A 1205 1097 0.17      
12 A 1018 927 13.39      
13 A 948 863 0.70      
14 A 711 647 1.73      
15 A 434 395 0.47      
16 A 175 160 5.91      
17 A 3229 2940 16.98      
18 A 1576 1435 7.38      
19 A 1169 1064 1.34      
20 A 1071 975 2.41      
21 A 818 744 46.70      
22 A 573 522 1.35      
23 A 316 288 2.69      
24 A 159 145 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18456.5 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 16806.5 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/aug-cc-pVDZ
ABC
0.40592 0.11503 0.09114

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.233 0.235 0.000
N2 -2.216 -0.340 0.000
C3 0.000 0.987 0.000
H4 -0.110 2.061 0.000
C5 1.199 0.415 0.000
H6 2.055 1.079 0.000
C7 1.498 -1.053 0.000
H8 0.594 -1.655 0.000
H9 2.092 -1.308 0.879
H10 2.092 -1.308 -0.879

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.13831.44462.14372.43913.39493.01942.62843.76983.7698
N21.13832.58283.19313.49764.50053.78173.10214.50234.5023
C31.44462.58281.07881.32892.05722.53112.70853.22803.2280
H42.14373.19311.07882.10282.37713.50403.78184.11964.1196
C52.43913.49761.32892.10281.08321.49792.15722.13072.1307
H63.39494.50052.05722.37711.08322.20343.10052.54432.5443
C73.01943.78172.53113.50401.49792.20341.08691.09131.0913
H82.62843.10212.70853.78182.15723.10051.08691.77181.7718
H93.76984.50233.22804.11962.13072.54431.09131.77181.7581
H103.76984.50233.22804.11962.13072.54431.09131.77181.7581

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 115.555 C1 C3 C5 123.090
N2 C1 C3 178.900 C3 C5 H6 116.685
C3 C5 C7 127.012 H4 C3 C5 121.355
C5 C7 H8 112.163 C5 C7 H9 109.754
C5 C7 H10 109.754 H6 C5 C7 116.302
H8 C7 H9 108.866 H8 C7 H10 108.866
H9 C7 H10 107.309
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.566      
2 N -0.290      
3 C 1.016      
4 H -0.352      
5 C 0.222      
6 H -0.412      
7 C 0.307      
8 H -0.067      
9 H 0.071      
10 H 0.071      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.455 1.268 0.000 4.631
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.318 -2.672 0.000
y -2.672 -27.745 0.000
z 0.000 0.000 -31.599
Traceless
 xyz
x -6.646 -2.672 0.000
y -2.672 6.213 0.000
z 0.000 0.000 0.433
Polar
3z2-r20.865
x2-y2-8.573
xy-2.672
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> 126.636
(<r2>)1/2 11.253