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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

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-207.795472
Energy at 298.15K-207.800804
Nuclear repulsion energy147.752548
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' 3216 3163 0.07      
2 A' 3130 3079 0.39      
3 A' 3115 3064 0.39      
4 A' 2310 2272 24.08      
5 A' 1467 1443 2.14      
6 A' 1358 1336 4.48      
7 A' 1190 1171 0.65      
8 A' 1135 1117 1.91      
9 A' 1047 1030 27.32      
10 A' 964 949 19.84      
11 A' 809 796 2.17      
12 A' 764 752 3.50      
13 A' 561 551 2.24      
14 A' 231 228 1.99      
15 A" 3200 3147 0.22      
16 A" 3111 3060 1.95      
17 A" 1450 1426 15.06      
18 A" 1176 1157 1.29      
19 A" 1094 1076 0.69      
20 A" 1070 1052 19.74      
21 A" 888 874 1.56      
22 A" 823 809 11.53      
23 A" 597 588 0.09      
24 A" 230 227 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 17467.0 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 17180.5 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 LSDA/3-21G
ABC
0.52350 0.11635 0.11042

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)
H1 0.320 2.031 1.271
H2 0.320 2.031 -1.271
H3 -1.127 0.879 -1.263
H4 -1.127 0.879 1.263
H5 1.680 0.348 0.000
C6 0.594 0.212 0.000
N7 -0.236 -2.236 0.000
C8 0.143 -1.128 0.000
C9 -0.236 1.248 0.751
C10 -0.236 1.248 -0.751

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.54203.13741.84922.50992.23614.48733.40991.09212.2380
H22.54201.84923.13742.50992.23614.48733.40992.23801.0921
H33.13741.84922.52703.12342.23663.47762.68982.23281.0920
H41.84923.13742.52703.12342.23663.47762.68981.09202.2328
H52.50992.50993.12343.12341.09433.21712.13122.24632.2463
C62.23612.23612.23662.23661.09432.58541.41421.52531.5253
N74.48734.48733.47763.47763.21712.58541.17123.56453.5645
C83.40993.40992.68982.68982.13121.41421.17122.52072.5207
C91.09212.23802.23281.09202.24631.52533.56452.52071.5011
C102.23801.09211.09202.23282.24631.52533.56452.52071.5011

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.700 H1 C9 C6 116.386
H1 C9 C10 118.460 H2 C10 H3 115.700
H2 C10 C6 116.386 H2 C10 C9 118.460
H3 C10 C6 116.439 H3 C10 C9 118.016
H4 C9 C6 116.439 H4 C9 C10 118.016
H5 C6 C8 115.754 H5 C6 C9 117.121
H5 C6 C10 117.121 C6 C8 N7 179.761
C6 C9 C10 60.524 C6 C10 C9 60.524
C8 C6 C9 118.028 C8 C6 C10 118.028
C9 C6 C10 58.952
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 H 0.246      
2 H 0.246      
3 H 0.255      
4 H 0.255      
5 H 0.277      
6 C -0.358      
7 N -0.446      
8 C 0.329      
9 C -0.402      
10 C -0.402      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.808 3.880 0.000 3.963
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.558 -0.250 0.000
y -0.250 -36.653 0.000
z 0.000 0.000 -28.968
Traceless
 xyz
x 5.252 -0.250 0.000
y -0.250 -8.390 0.000
z 0.000 0.000 3.138
Polar
3z2-r26.276
x2-y29.095
xy-0.250
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.728 0.521 0.000
y 0.521 7.833 0.000
z 0.000 0.000 4.694


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