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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: MP2/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 MP2/cc-pVDZ
 hartrees
Energy at 0K-209.499661
Energy at 298.15K-209.504893
HF Energy-208.803478
Nuclear repulsion energy146.454777
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 MP2/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' 3310 3153 1.66      
2 A' 3235 3081 0.45      
3 A' 3199 3047 1.50      
4 A' 2193 2089 2.11      
5 A' 1509 1437 0.59      
6 A' 1386 1320 0.29      
7 A' 1231 1173 0.82      
8 A' 1136 1082 0.48      
9 A' 1068 1017 5.40      
10 A' 984 937 21.68      
11 A' 817 778 1.83      
12 A' 762 726 2.65      
13 A' 515 490 0.53      
14 A' 204 195 3.01      
15 A" 3298 3141 0.29      
16 A" 3193 3042 4.43      
17 A" 1459 1390 3.03      
18 A" 1200 1143 0.65      
19 A" 1113 1060 3.02      
20 A" 1078 1026 5.39      
21 A" 922 878 1.69      
22 A" 833 793 7.82      
23 A" 530 505 0.21      
24 A" 211 201 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 17692.6 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 16852.2 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 MP2/cc-pVDZ
ABC
0.52140 0.11320 0.10749

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.793 1.039 1.274
H2 -1.793 1.039 -1.274
H3 -1.247 -0.730 -1.264
H4 -1.247 -0.730 1.264
H5 0.271 1.694 0.000
C6 0.000 0.635 0.000
N7 2.033 -1.042 0.000
C8 1.124 -0.278 0.000
C9 -1.264 0.236 0.753
C10 -1.264 0.236 -0.753

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.54773.14101.85052.51252.23604.53693.44471.09272.2435
H22.54771.85053.14102.51252.23604.53693.44472.24351.0927
H33.14101.85052.52843.12702.23953.52872.72512.23701.0928
H41.85053.14102.52843.12702.23953.52872.72511.09282.2370
H52.51252.51253.12703.12701.09343.25382.14872.24712.2471
C62.23602.23602.23952.23951.09342.63491.44831.52451.5245
N74.53694.53693.52873.52873.25382.63491.18663.61503.6150
C83.44473.44472.72512.72512.14871.44831.18662.55672.5567
C91.09272.24352.23701.09282.24711.52453.61502.55671.5069
C102.24351.09271.09282.23702.24711.52453.61502.55671.5069

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.711 H1 C9 C6 116.403
H1 C9 C10 118.441 H2 C10 H3 115.711
H2 C10 C6 116.403 H2 C10 C9 118.441
H3 C10 C6 116.697 H3 C10 C9 117.864
H4 C9 C6 116.697 H4 C9 C10 117.864
H5 C6 C8 114.707 H5 C6 C9 117.320
H5 C6 C10 117.320 C6 C8 N7 179.005
C6 C9 C10 60.381 C6 C10 C9 60.381
C8 C6 C9 118.613 C8 C6 C10 118.613
C9 C6 C10 59.239
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability