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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-248.032132
Energy at 298.15K-248.040127
Nuclear repulsion energy210.265860
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 mPW1PW91/3-21G*
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' 3208 3046 21.07      
2 A' 3184 3023 5.35      
3 A' 3135 2977 1.56      
4 A' 3130 2972 0.69      
5 A' 3124 2967 20.04      
6 A' 2367 2248 10.87      
7 A' 1551 1473 1.28      
8 A' 1530 1453 6.64      
9 A' 1378 1309 0.07      
10 A' 1304 1238 7.68      
11 A' 1261 1197 0.27      
12 A' 1143 1085 3.08      
13 A' 1084 1029 0.18      
14 A' 957 909 1.05      
15 A' 905 859 2.86      
16 A' 758 720 2.60      
17 A' 617 586 1.92      
18 A' 562 534 1.43      
19 A' 277 263 1.02      
20 A' 110 104 2.08      
21 A" 3199 3037 7.66      
22 A" 3129 2972 29.24      
23 A" 1523 1446 7.91      
24 A" 1309 1243 6.08      
25 A" 1294 1229 0.13      
26 A" 1262 1198 1.67      
27 A" 1228 1166 2.24      
28 A" 1061 1008 0.67      
29 A" 960 912 0.65      
30 A" 934 887 2.26      
31 A" 800 759 1.67      
32 A" 602 571 0.16      
33 A" 206 196 2.84      

Unscaled Zero Point Vibrational Energy (zpe) 24544.7 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 23307.7 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 mPW1PW91/3-21G*
ABC
0.31530 0.08005 0.07066

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.662 2.059 0.000
C2 0.744 1.344 0.000
C3 -0.370 0.432 0.000
C4 -0.844 -1.709 0.000
C5 -0.370 -0.699 1.098
C6 -0.370 -0.699 -1.098
H7 -1.320 0.974 0.000
H8 -1.931 -1.814 0.000
H9 -0.371 -2.691 0.000
H10 0.650 -0.911 1.423
H11 -1.022 -0.536 1.956
H12 0.650 -0.911 -1.423
H13 -1.022 -0.536 -1.956

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.16372.60364.52553.59773.59773.17345.28355.16673.44554.21513.44554.2151
C21.16371.44013.44162.57332.57332.09684.13914.18622.66853.23742.66853.2374
C32.60361.44012.19251.57611.57611.09362.73513.12232.20662.27742.20662.2774
C44.52553.44162.19251.56531.56532.72471.09241.08962.21252.28712.21252.2871
C53.59772.57331.57611.56532.19592.21502.21052.27411.09151.08962.72823.1266
C63.59772.57331.57611.56532.19592.21502.21052.27412.72823.12661.09151.0896
H73.17342.09681.09362.72472.21502.21502.85423.78533.07552.48863.07552.4886
H85.28354.13912.73511.09242.21052.21052.85421.78963.08312.50663.08312.5066
H95.16674.18623.12231.08962.27412.27413.78531.78962.49732.98142.49732.9814
H103.44552.66852.20662.21251.09152.72823.07553.08312.49731.79442.84693.7887
H114.21513.23742.27742.28711.08963.12662.48862.50662.98141.79443.78873.9111
H123.44552.66852.20662.21252.72821.09153.07553.08312.49732.84693.78871.7944
H134.21513.23742.27742.28713.12661.08962.48862.50662.98143.78873.91111.7944

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.572 C2 C3 C5 117.045
C2 C3 C6 117.045 C2 C3 H7 110.952
C3 C5 C4 88.523 C3 C5 H10 110.296
C3 C5 H11 116.178 C3 C6 C4 88.523
C3 C6 H12 110.296 C3 C6 H13 116.178
C4 C5 H10 111.528 C4 C5 H11 117.854
C4 C6 H12 111.528 C4 C6 H13 117.854
C5 C3 C6 88.316 C5 C3 H7 110.834
C5 C4 C6 89.089 C5 C4 H8 111.309
C5 C4 H9 116.735 C6 C3 H7 110.834
C6 C4 H8 111.309 C6 C4 H9 116.735
H8 C4 H9 110.205 H10 C5 H11 110.713
H12 C6 H13 110.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.505      
2 C 0.374      
3 C -0.350      
4 C -0.443      
5 C -0.392      
6 C -0.392      
7 H 0.281      
8 H 0.234      
9 H 0.229      
10 H 0.249      
11 H 0.233      
12 H 0.249      
13 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.853 -2.795 0.000 3.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.502 -6.366 0.000
y -6.366 -41.774 0.000
z 0.000 0.000 -35.163
Traceless
 xyz
x -1.033 -6.366 0.000
y -6.366 -4.441 0.000
z 0.000 0.000 5.474
Polar
3z2-r210.949
x2-y22.272
xy-6.366
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.402 1.664 0.000
y 1.664 7.846 0.000
z 0.000 0.000 6.287


<r2> (average value of r2) Å2
<r2> 154.887
(<r2>)1/2 12.445