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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-323.703490
Energy at 298.15K-323.712490
Nuclear repulsion energy241.747206
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 B3LYP/SDD
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 3780 3634 42.09      
2 A 3636 3495 38.56      
3 A 3169 3046 36.10      
4 A 3150 3028 32.76      
5 A 3083 2964 39.95      
6 A 3059 2941 21.77      
7 A 3024 2907 44.97      
8 A 1732 1665 522.69      
9 A 1654 1590 111.02      
10 A 1534 1475 3.76      
11 A 1521 1462 11.58      
12 A 1502 1444 11.08      
13 A 1447 1391 13.53      
14 A 1413 1358 25.91      
15 A 1314 1263 400.10      
16 A 1302 1252 0.12      
17 A 1168 1123 6.47      
18 A 1148 1103 5.15      
19 A 1084 1042 14.15      
20 A 1065 1024 116.47      
21 A 976 939 46.93      
22 A 851 818 2.31      
23 A 807 776 20.97      
24 A 736 707 71.19      
25 A 572 549 196.06      
26 A 547 525 5.13      
27 A 530 509 8.07      
28 A 443 426 112.89      
29 A 367 352 0.98      
30 A 244 235 0.29      
31 A 202 195 3.82      
32 A 94 90 0.09      
33 A 82 79 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 23617.6 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 22703.6 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 B3LYP/SDD
ABC
0.28581 0.06779 0.05596

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.601 -0.261 -0.000
H2 -2.679 -0.898 0.887
H3 -3.440 0.448 -0.000
H4 -2.679 -0.897 -0.888
C5 -1.276 0.494 0.000
H6 -1.184 1.122 -0.898
H7 -1.185 1.121 0.900
O8 -0.209 -0.525 0.000
N9 1.433 1.173 -0.000
H10 0.739 1.903 0.000
H11 2.411 1.426 -0.000
C12 1.142 -0.182 -0.000
O13 2.009 -1.068 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.09501.09791.09501.52542.17472.17482.40664.28203.98005.28893.74424.6802
H21.09501.78231.77512.16623.08312.51262.65074.68944.50745.66593.98784.7744
H31.09791.78231.78232.16452.52002.52013.37384.92704.42485.93224.62485.6555
H41.09501.77511.78232.16622.51263.08312.65074.68864.50675.66513.98734.7740
C51.52542.16622.16452.16621.10071.10071.47482.79312.45873.80302.51033.6368
H62.17473.08312.52002.51261.10071.79842.11462.76772.26143.71812.81373.9745
H72.17482.51262.52013.08311.10071.79842.11452.76892.26263.71912.81433.9748
O82.40662.65073.37382.65071.47482.11462.11452.36242.60683.26701.39422.2835
N94.28204.68944.92704.68862.79312.76772.76892.36241.00821.01001.38522.3129
H103.98004.50744.42484.50672.45872.26142.26262.60681.00821.73922.12343.2309
H115.28895.66595.93225.66513.80303.71813.71913.26701.01001.73922.04822.5259
C123.74423.98784.62483.98732.51032.81372.81431.39421.38522.12342.04821.2395
O134.68024.77445.65554.77403.63683.97453.97482.28352.31293.23092.52591.2395

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.771 C1 C5 H7 110.776
C1 C5 O8 106.660 H2 C1 H3 108.731
H2 C1 H4 108.301 H2 C1 C5 110.443
H3 C1 H4 108.732 H3 C1 C5 110.137
H4 C1 C5 110.442 C5 O8 C12 122.052
H6 C5 H7 109.551 H6 C5 O8 109.519
H7 C5 O8 109.513 O8 C12 N9 116.410
O8 C12 O13 120.113 N9 C12 O13 123.477
H10 N9 H11 119.031 H10 N9 C12 124.290
H11 N9 C12 116.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.619      
2 H 0.224      
3 H 0.188      
4 H 0.224      
5 C -0.204      
6 H 0.194      
7 H 0.194      
8 O -0.268      
9 N -0.652      
10 H 0.337      
11 H 0.347      
12 C 0.316      
13 O -0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.794 5.451 0.001 6.125
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.889 6.851 0.001
y 6.851 -36.009 0.002
z 0.001 0.002 -36.502
Traceless
 xyz
x 0.367 6.851 0.001
y 6.851 0.186 0.002
z 0.001 0.002 -0.553
Polar
3z2-r2-1.107
x2-y20.120
xy6.851
xz0.001
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.655 -0.497 -0.001
y -0.497 6.830 -0.002
z -0.001 -0.002 4.492


<r2> (average value of r2) Å2
<r2> 199.327
(<r2>)1/2 14.118