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All results from a given calculation for C2H6N2O (Urea, methyl-)

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-264.567942
Energy at 298.15K-264.576062
Nuclear repulsion energy183.412031
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 mPW1PW91/6-311G*
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 3745 3574 24.09      
2 A 3696 3528 31.96      
3 A 3629 3463 16.06      
4 A 3158 3014 19.49      
5 A 3083 2943 44.14      
6 A 3032 2894 53.28      
7 A 1839 1755 502.77      
8 A 1679 1603 148.59      
9 A 1549 1478 48.73      
10 A 1515 1446 24.61      
11 A 1508 1439 70.08      
12 A 1483 1415 18.71      
13 A 1429 1363 131.25      
14 A 1226 1170 4.79      
15 A 1168 1115 17.15      
16 A 1159 1106 16.80      
17 A 1098 1048 31.42      
18 A 907 865 4.82      
19 A 795 759 60.60      
20 A 605 577 39.14      
21 A 561 535 115.29      
22 A 537 512 56.42      
23 A 486 464 29.54      
24 A 387 369 147.28      
25 A 279 267 3.73      
26 A 154 147 3.54      
27 A 99 94 6.00      

Unscaled Zero Point Vibrational Energy (zpe) 20401.6 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 19471.3 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 mPW1PW91/6-311G*
ABC
0.33086 0.14015 0.10107

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.866 0.049 0.077
H2 -2.094 0.742 -0.741
H3 -2.681 -0.673 0.112
H4 -1.866 0.609 1.017
H5 -0.622 -1.656 -0.051
N6 -0.628 -0.657 -0.145
C7 0.625 -0.113 -0.018
H8 -0.070 1.798 -0.406
H9 1.580 1.642 -0.059
N10 0.654 1.267 0.047
O11 1.627 -0.794 0.058

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09551.08891.09452.11491.44252.49802.55323.79972.79953.5936
H21.09551.75311.77722.89692.11172.93952.30723.84372.90634.1035
H31.08891.75311.76852.28722.06903.35513.63174.85263.85864.3097
H41.09451.77721.76852.79702.11802.79242.58133.75562.77953.8848
H52.11492.89692.28722.79701.00431.98473.51583.96653.19112.4113
N61.44252.11172.06902.11801.00431.37122.53023.18872.31922.2679
C72.49802.93953.35512.79241.98471.37122.06901.99871.38101.2143
H82.55322.30723.63172.58133.51582.53022.06901.69331.00553.1319
H93.79973.84374.85263.75563.96653.18871.99871.69331.00512.4394
N102.79952.90633.85862.77953.19112.31921.38101.00551.00512.2785
O113.59364.10354.30973.88482.41132.26791.21433.13192.43942.2785

picture of Urea, methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N6 H5 118.518 C1 N6 C7 125.175
H2 C1 H3 106.749 H2 C1 H4 108.487
H2 C1 N6 111.889 H3 C1 H4 108.185
H3 C1 N6 108.835 H4 C1 N6 112.473
H5 N6 C7 112.415 N6 C7 N10 114.842
N6 C7 O11 122.486 C7 N10 H8 119.378
C7 N10 H9 112.831 H8 N10 H9 114.737
N10 C7 O11 122.656
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.539      
2 H 0.224      
3 H 0.236      
4 H 0.241      
5 H 0.360      
6 N -0.608      
7 C 0.606      
8 H 0.347      
9 H 0.362      
10 N -0.813      
11 O -0.416      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.485 1.975 -0.652 4.058
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.199 5.370 -0.839
y 5.370 -25.975 -2.008
z -0.839 -2.008 -31.587
Traceless
 xyz
x -2.418 5.370 -0.839
y 5.370 5.418 -2.008
z -0.839 -2.008 -3.000
Polar
3z2-r2-6.000
x2-y2-5.224
xy5.370
xz-0.839
yz-2.008


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> 118.011
(<r2>)1/2 10.863