return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H9N (Cyclobutylamine)

using model chemistry: mPW1PW91/6-31+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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-212.532817
Energy at 298.15K-212.543954
Nuclear repulsion energy187.555459
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 mPW1PW91/6-31+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' 3546 3375 0.49      
2 A' 3171 3018 46.24      
3 A' 3141 2989 21.31      
4 A' 3105 2956 39.27      
5 A' 3088 2940 21.17      
6 A' 3004 2859 95.31      
7 A' 1669 1588 33.48      
8 A' 1511 1438 5.81      
9 A' 1481 1409 3.02      
10 A' 1394 1327 30.42      
11 A' 1303 1240 8.80      
12 A' 1252 1192 1.19      
13 A' 1175 1118 8.76      
14 A' 1096 1044 7.65      
15 A' 979 931 2.57      
16 A' 901 858 3.13      
17 A' 869 827 69.89      
18 A' 812 773 85.53      
19 A' 672 639 2.64      
20 A' 406 386 5.56      
21 A' 159 151 1.30      
22 A" 3641 3465 1.70      
23 A" 3146 2994 9.14      
24 A" 3084 2936 79.39      
25 A" 1474 1403 3.56      
26 A" 1354 1289 0.05      
27 A" 1282 1221 1.20      
28 A" 1269 1207 0.26      
29 A" 1231 1171 1.22      
30 A" 1176 1119 0.37      
31 A" 1039 988 0.07      
32 A" 967 920 0.91      
33 A" 937 892 2.32      
34 A" 776 738 0.66      
35 A" 395 376 10.22      
36 A" 278 264 32.65      

Unscaled Zero Point Vibrational Energy (zpe) 28389.6 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 27021.2 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 mPW1PW91/6-31+G**
ABC
0.28044 0.15867 0.13194

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.422 0.878 0.000
H2 -1.750 1.380 0.817
H3 -1.750 1.380 -0.817
C4 0.505 -0.225 -1.076
H5 -0.148 -0.356 -1.943
H6 1.515 0.010 -1.423
C7 0.505 -0.225 1.076
H8 -0.148 -0.356 1.943
H9 1.515 0.010 1.423
C10 0.030 0.778 0.000
H11 0.539 1.753 0.000
C12 0.505 -1.333 0.000
H13 1.342 -2.036 0.000
H14 -0.431 -1.893 0.000

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14
N11.01401.01402.46782.63043.37732.46782.63043.37731.45522.14742.93344.01642.9431
H21.01401.63493.35423.63314.19062.78082.61673.59282.04932.45913.62214.67993.6228
H31.01401.63492.78082.61673.59283.35423.63314.19062.04932.45913.62214.67993.6228
C42.46783.35422.78081.09351.09362.15173.09122.70551.54592.25251.54432.26612.1945
H52.63043.63312.61671.09351.78093.09123.88533.77222.25622.94882.27072.96942.4933
H63.37734.19063.59281.09361.78092.70553.77222.84602.19572.45312.20212.49813.0717
C72.46782.78083.35422.15173.09122.70551.09351.09361.54592.25251.54432.26612.1945
H82.63042.61673.63313.09123.88533.77221.09351.78092.25622.94882.27072.96942.4933
H93.37733.59284.19062.70553.77222.84601.09361.78092.19572.45312.20212.49813.0717
C101.45522.04932.04931.54592.25622.19571.54592.25622.19571.10062.16383.10452.7102
H112.14742.45912.45912.25252.94882.45312.25252.94882.45311.10063.08683.87343.7733
C122.93343.62213.62211.54432.27072.20211.54432.27072.20212.16383.08681.09261.0910
H134.01644.67994.67992.26612.96942.49812.26612.96942.49813.10453.87341.09261.7788
H142.94313.62283.62282.19452.49333.07172.19452.49333.07172.71023.77331.09101.7788

picture of Cyclobutylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C10 C4 110.594 N1 C10 C7 110.594
N1 C10 H11 113.598 H2 N1 H3 107.440
H2 N1 C10 110.920 H3 N1 C10 110.920
C4 C10 C7 88.209 C4 C10 H11 115.650
C4 C12 C7 88.319 C4 C12 H13 117.471
C4 C12 H14 111.604 H5 C4 H6 109.040
H5 C4 C10 116.438 H5 C4 C12 117.808
H6 C4 C10 111.433 H6 C4 C12 112.059
C7 C10 H11 115.650 C7 C12 H13 117.471
C7 C12 H14 111.604 H8 C7 H9 109.040
H8 C7 C10 116.438 H8 C7 C12 117.808
H9 C7 C10 111.433 H9 C7 C12 112.059
C10 C4 C12 88.889 C10 C7 C12 88.889
H13 C12 H14 109.104
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.621      
2 H 0.294      
3 H 0.294      
4 C -0.502      
5 H 0.160      
6 H 0.162      
7 C -0.502      
8 H 0.160      
9 H 0.162      
10 C 0.023      
11 H 0.136      
12 C -0.101      
13 H 0.155      
14 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.344 1.243 0.000 1.290
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.880 -2.497 0.000
y -2.497 -31.185 0.000
z 0.000 0.000 -31.532
Traceless
 xyz
x -1.522 -2.497 0.000
y -2.497 1.021 0.000
z 0.000 0.000 0.501
Polar
3z2-r21.001
x2-y2-1.695
xy-2.497
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> 113.692
(<r2>)1/2 10.663