DB creation error

[malru]

I've problem with database creation.can anyone help me,how to solve the following problem.

When i give
>STARTUP NOMOUNT pfile='c:\newdb\init.ora'
ORACLE instance started.

Total System Global Area 122755896 bytes
Fixed Size 453432 bytes
Variable Size 96468992 bytes
Database Buffers 25165824 bytes
Redo Buffers 667648 bytes

INIT.ORA File contents
db_block_size=8192 #8KB
db_cache_size=25165824 #24M

open_cursors=100

db_name=NEWDB

background_dump_dest=C:\oracle\admin\NEWDB\bdump
core_dump_dest=C:\oracle\admin\NEWDB\cdump
timed_statistics=TRUE
user_dump_dest=C:\oracle\admin\NEWDB\udump

control_files=("C:\oracle\oradata\NEWDB\CONTROL01.CTL", "C:\oracle\oradata\NEWDB\CONTROL02.CTL", "C:\oracle\oradata\NEWDB\CONTROL03.CTL")

instance_name=NEWDB

hash_join_enabled=TRUE

java_pool_size=25165824
large_pool_size=25165824
shared_pool_size=31457280 # 30M

processes=25

fast_start_mttr_target=300

remote_login_passwordfile=EXCLUSIVE

pga_aggregate_target=25165824
sort_area_size=524288 #512K

undo_management=AUTO
undo_retention=10800
undo_tablespace=UNDO


But when i run the create database script it gives the followin error,
SQL> create database NEWDB
2 controlfile reuse
3 logfile
4 GROUP 1 ( 'C:\oracle\oradata\newdb\log1a.rdo') SIZE 5M reuse,
5 GROUP 2 ( 'C:\oracle\oradata\newdb\log2a.rdo') SIZE 5M reuse,
6 GROUP 3 ( 'C:\oracle\oradata\newdb\log3a.rdo') SIZE 5M reuse
7 datafile 'C:\oracle\oradata\newdb\data01.dbf' SIZE 20M reuse
8 undo tablespace UNDO
9 datafile 'C:\oracle\oradata\newdb\undo01.dbf' SIZE 15M reuse
10 default temporary tablespace TEMP
11 tempfile 'C:\oracle\oradata\newdb\temp01.dbf ' SIZE 10M reuse
12 extent management local uniform size 64k
13 ;
create database NEWDB
*
ERROR at line 1:
ORA-01092: ORACLE instance terminated. Disconnection forced


Why the ORACLE instance get terminated and Disconnection forced.Is there any problem with the parameter settings?

Please help me to get out of this problem.

[smokering]

Have you checked the alert.log file to have more detailed error message?

[hacketta1]

The alert log being C:\oracle\admin\NEWDB\bdump\alert_NEWDB.log

[malru]

Thanks for all.I checked the Alert.Log & found out the error & the database is successfully created.