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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-302.106046
Energy at 298.15K-302.116314
Nuclear repulsion energy242.921575
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 B3PW91/3-21G
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 3721 3577 37.52      
2 A 3617 3477 32.28      
3 A 3592 3452 27.89      
4 A 3146 3024 17.83      
5 A 3138 3017 25.18      
6 A 3063 2944 14.49      
7 A 3027 2909 41.61      
8 A 3001 2885 36.77      
9 A 1777 1708 369.66      
10 A 1669 1604 131.44      
11 A 1586 1524 7.07      
12 A 1566 1505 10.32      
13 A 1556 1495 9.03      
14 A 1478 1420 15.27      
15 A 1453 1397 8.33      
16 A 1428 1372 316.34      
17 A 1379 1325 44.51      
18 A 1330 1279 0.96      
19 A 1213 1166 18.82      
20 A 1193 1147 2.40      
21 A 1117 1074 13.42      
22 A 1064 1023 15.34      
23 A 993 955 0.57      
24 A 909 874 4.04      
25 A 865 831 0.97      
26 A 804 773 112.02      
27 A 566 544 7.66      
28 A 557 535 162.91      
29 A 541 520 13.27      
30 A 471 452 0.27      
31 A 366 352 0.01      
32 A 352 339 224.85      
33 A 274 263 0.74      
34 A 198 190 5.13      
35 A 85 82 0.92      
36 A 29 28 5.40      

Unscaled Zero Point Vibrational Energy (zpe) 26560.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 25530.1 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 B3PW91/3-21G
ABC
0.28452 0.06633 0.05491

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.629 -0.240 0.001
H2 2.715 -0.872 -0.891
H3 3.458 0.476 0.001
H4 2.714 -0.872 0.892
C5 1.283 0.496 -0.000
H6 1.227 1.142 0.890
H7 1.228 1.142 -0.890
N8 0.188 -0.470 -0.001
H9 0.406 -1.459 -0.001
N10 -1.442 1.178 0.000
H11 -2.419 1.437 0.001
H12 -0.742 1.905 -0.001
C13 -1.160 -0.171 -0.000
O14 -2.041 -1.046 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09601.09491.09601.53442.16052.16052.45162.53534.31165.31913.99593.78974.7387
H21.09601.77841.78342.17133.07272.50342.70872.54324.72035.69904.52254.03724.8414
H31.09491.77841.77842.17512.49202.49203.40333.61324.95035.95454.43654.66265.7049
H41.09601.78341.77842.17122.50343.07272.70872.54364.71945.69804.52234.03654.8405
C51.53442.17132.17512.17121.10161.10161.45952.14212.80943.81922.46702.53183.6633
H62.16053.07272.49202.50341.10161.78002.11472.86962.81403.76402.29192.86594.0320
H72.16052.50342.49203.07271.10161.78002.11482.86932.81543.76562.29232.86704.0331
N82.45162.70873.40332.70871.45952.11472.11481.01242.31893.23012.55071.38112.3021
H92.53532.54323.61322.54362.14212.86962.86931.01243.22054.04533.55422.02752.4811
N104.31164.72034.95034.71942.80942.81402.81542.31893.22051.00991.00891.37842.3032
H115.31915.69905.95455.69803.81923.76403.76563.23014.04531.00991.74042.04192.5115
H123.99594.52254.43654.52232.46702.29192.29232.55073.55421.00891.74042.11713.2236
C133.78974.03724.66264.03652.53182.86592.86701.38112.02751.37842.04192.11711.2415
O144.73874.84145.70494.84053.66334.03204.03312.30212.48112.30322.51153.22361.2415

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 108.992 C1 C5 H7 108.990
C1 C5 N8 109.918 H2 C1 H3 108.530
H2 C1 H4 108.899 H2 C1 C5 110.155
H3 C1 H4 108.532 H3 C1 C5 110.523
H4 C1 C5 110.154 C5 N8 H9 119.021
C5 N8 C13 126.054 H6 C5 H7 107.788
H6 C5 N8 110.546 H7 C5 N8 110.554
N8 C13 N10 114.347 N8 C13 O14 122.666
H9 N8 C13 114.924 N10 C13 O14 122.987
H11 N10 H12 119.107 H11 N10 C13 116.668
H12 N10 C13 124.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.641      
2 H 0.226      
3 H 0.224      
4 H 0.226      
5 C -0.241      
6 H 0.217      
7 H 0.217      
8 N -0.738      
9 H 0.339      
10 N -0.820      
11 H 0.337      
12 H 0.326      
13 C 0.879      
14 O -0.550      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.345 2.912 -0.002 4.434
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.252 -7.285 0.001
y -7.285 -33.016 -0.001
z 0.001 -0.001 -37.756
Traceless
 xyz
x -2.866 -7.285 0.001
y -7.285 4.988 -0.001
z 0.001 -0.001 -2.122
Polar
3z2-r2-4.244
x2-y2-5.236
xy-7.285
xz0.001
yz-0.001


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> 203.875
(<r2>)1/2 14.278