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All results from a given calculation for NH2CONHC2H5 (Urea, ethyl-)

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-303.686474
Energy at 298.15K-303.696545
Nuclear repulsion energy239.842824
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 BLYP/6-31G
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 3662 3634 23.99      
2 A 3547 3520 19.96      
3 A 3522 3495 15.09      
4 A 3058 3034 30.62      
5 A 3048 3024 40.45      
6 A 2976 2953 23.20      
7 A 2931 2909 52.05      
8 A 2910 2888 48.32      
9 A 1673 1660 323.58      
10 A 1614 1602 159.32      
11 A 1538 1526 8.54      
12 A 1513 1501 11.40      
13 A 1503 1492 7.25      
14 A 1439 1428 25.96      
15 A 1420 1409 11.93      
16 A 1391 1381 284.87      
17 A 1353 1343 37.92      
18 A 1282 1272 0.23      
19 A 1165 1157 15.44      
20 A 1165 1156 1.59      
21 A 1078 1070 17.84      
22 A 1032 1025 15.41      
23 A 968 961 0.44      
24 A 876 869 1.73      
25 A 836 830 1.10      
26 A 724 719 80.82      
27 A 550 545 7.67      
28 A 539 535 141.46      
29 A 519 515 13.73      
30 A 451 448 1.65      
31 A 354 351 0.01      
32 A 337 334 239.30      
33 A 253 251 1.27      
34 A 191 190 5.43      
35 A 83 83 3.01      
36 A 44 43 2.08      

Unscaled Zero Point Vibrational Energy (zpe) 25771.3 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 25575.4 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 BLYP/6-31G
ABC
0.27790 0.06431 0.05329

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.667 -0.237 0.000
H2 2.766 -0.874 -0.895
H3 3.501 0.483 0.000
H4 2.766 -0.875 0.896
C5 1.313 0.503 -0.000
H6 1.253 1.158 0.893
H7 1.253 1.158 -0.893
N8 0.196 -0.461 -0.000
H9 0.405 -1.456 -0.001
N10 -1.497 1.186 -0.000
H11 -2.485 1.413 0.001
H12 -0.819 1.941 -0.000
C13 -1.168 -0.168 -0.000
O14 -2.050 -1.076 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.10351.10201.10351.54312.17832.17832.48172.56954.40085.40994.11073.83584.7915
H21.10351.78461.79082.19333.10182.53412.75342.59134.81935.79764.64574.09654.9035
H31.10201.78461.78462.18792.51132.51123.43753.65315.04726.05764.55944.71425.7662
H41.10351.79081.78462.19342.53433.10182.75352.59154.81915.79724.64574.09624.9031
C51.54312.19332.18792.19341.10941.10941.47572.15922.89213.90552.57172.57043.7158
H62.17833.10182.51132.53431.10941.78632.13012.89002.89153.85112.38832.90134.0868
H72.17832.53412.51123.10181.10941.78632.13012.88982.89193.85202.38842.90184.0874
N82.48172.75343.43752.75351.47572.13012.13011.01712.36173.27062.60691.39472.3287
H92.56952.59133.65312.59152.15922.89002.88981.01713.25574.07243.61052.03312.4845
N104.40084.81935.04724.81912.89212.89152.89192.36173.25571.01351.01401.39382.3294
H115.40995.79766.05765.79723.90553.85113.85203.27064.07241.01351.74702.05782.5274
H124.11074.64574.55944.64572.57172.38832.38842.60693.61051.01401.74702.13733.2585
C133.83584.09654.71424.09622.57042.90132.90181.39472.03311.39382.05782.13731.2663
O144.79154.90355.76624.90313.71584.08684.08742.32872.48452.32942.52743.25851.2663

picture of Urea, ethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.326 C1 C5 H7 109.320
C1 C5 N8 110.562 H2 C1 H3 108.036
H2 C1 H4 108.473 H2 C1 C5 110.844
H3 C1 H4 108.036 H3 C1 C5 110.504
H4 C1 C5 110.847 C5 N8 H9 118.887
C5 N8 C13 127.115 H6 C5 H7 107.234
H6 C5 N8 110.165 H7 C5 N8 110.167
N8 C13 N10 115.765 N8 C13 O14 122.052
H9 N8 C13 113.997 N10 C13 O14 122.182
H11 N10 H12 118.999 H11 N10 C13 116.598
H12 N10 C13 124.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.397      
2 H 0.139      
3 H 0.134      
4 H 0.139      
5 C -0.054      
6 H 0.127      
7 H 0.127      
8 N -0.570      
9 H 0.301      
10 N -0.678      
11 H 0.311      
12 H 0.292      
13 C 0.579      
14 O -0.450      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.527 3.052 0.001 4.664
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.003 -7.794 -0.003
y -7.794 -34.102 0.003
z -0.003 0.003 -38.387
Traceless
 xyz
x -2.758 -7.794 -0.003
y -7.794 4.593 0.003
z -0.003 0.003 -1.835
Polar
3z2-r2-3.669
x2-y2-4.901
xy-7.794
xz-0.003
yz0.003


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> 209.885
(<r2>)1/2 14.487