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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: BLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-210.064555
Energy at 298.15K-210.069664
Nuclear repulsion energy146.031147
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/6-31+G**
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' 3169 3152 7.29      
2 A' 3093 3077 1.23      
3 A' 3075 3059 4.98      
4 A' 2237 2225 38.59      
5 A' 1466 1458 0.93      
6 A' 1336 1329 0.23      
7 A' 1174 1167 0.89      
8 A' 1105 1099 0.56      
9 A' 1032 1026 7.82      
10 A' 922 917 23.22      
11 A' 793 788 1.97      
12 A' 729 725 5.33      
13 A' 508 505 1.31      
14 A' 206 205 3.60      
15 A" 3155 3139 0.16      
16 A" 3073 3057 13.63      
17 A" 1439 1431 2.30      
18 A" 1168 1162 0.84      
19 A" 1072 1067 1.93      
20 A" 1047 1042 7.87      
21 A" 851 847 0.23      
22 A" 791 786 8.91      
23 A" 526 524 0.36      
24 A" 208 207 2.22      

Unscaled Zero Point Vibrational Energy (zpe) 17086.9 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 16996.3 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/6-31+G**
ABC
0.52337 0.11191 0.10602

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.799 1.027 1.284
H2 -1.799 1.027 -1.284
H3 -1.277 -0.738 -1.272
H4 -1.277 -0.738 1.272
H5 0.266 1.679 0.000
C6 0.000 0.618 0.000
N7 2.062 -1.002 0.000
C8 1.139 -0.273 0.000
C9 -1.282 0.224 0.756
C10 -1.282 0.224 -0.756

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.56793.15021.84162.51782.24814.54743.46011.09242.2526
H22.56791.84163.15022.51782.24814.54743.46012.25261.0924
H33.15021.84162.54363.13712.25573.58262.76892.24411.0918
H41.84163.15022.54363.13712.25573.58262.76891.09182.2441
H52.51782.51783.13713.13711.09363.22712.13852.25492.2549
C62.24812.24812.25572.25571.09362.62261.44611.53931.5393
N74.54744.54743.58263.58263.22712.62261.17653.64073.6407
C83.46013.46012.76892.76892.13851.44611.17652.58372.5837
C91.09242.25262.24411.09182.25491.53933.64072.58371.5113
C102.25261.09241.09182.24412.25491.53933.64072.58371.5113

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.955 H1 C9 C6 116.319
H1 C9 C10 118.924 H2 C10 H3 114.955
H2 C10 C6 116.319 H2 C10 C9 118.924
H3 C10 C6 117.013 H3 C10 C9 118.216
H4 C9 C6 117.013 H4 C9 C10 118.216
H5 C6 C8 113.990 H5 C6 C9 116.823
H5 C6 C10 116.823 C6 C8 N7 179.798
C6 C9 C10 60.601 C6 C10 C9 60.601
C8 C6 C9 119.830 C8 C6 C10 119.830
C9 C6 C10 58.797
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.159      
2 H 0.159      
3 H 0.167      
4 H 0.167      
5 H 0.172      
6 C 0.106      
7 N -0.524      
8 C 0.193      
9 C -0.300      
10 C -0.300      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.786 2.338 0.000 4.450
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.354 3.793 0.000
y 3.793 -30.138 0.000
z 0.000 0.000 -29.885
Traceless
 xyz
x -7.342 3.793 0.000
y 3.793 3.482 0.000
z 0.000 0.000 3.861
Polar
3z2-r27.721
x2-y2-7.216
xy3.793
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> 117.113
(<r2>)1/2 10.822